WATER RESOURCES DEPARTMENT GOVERNMENT OF MAHARASHTRA

THE STATUS REPORT

CAPACITY ASSESSMENT OF RESERVOIRS IN MAHARASHTRA [ 1974 - 2020 ]

JAYAKWADI DAM

MAHARASHTRA ENGINEERING RESEARCH INSTITUTE ( M. E. R. I. ) RESOURCES ENGINEERING CENTER NASHIK - 04

UJJANI DAM YEAR 2020

RESOURCES ENGINEERING CENTER, MERI, NASHIK - 04 A Publication of MERI, Nashik (MS) A Publication of MERI, Nashik (MS)

THE STATUS REPORT

CAPACITY ASSESSMENT OF RESERVOIRS

IN MAHARASHTRA

SURVEY FROM 1974 TO 2020

MAHARASHTRA ENGINEERING RESEARCH INSTITUTE ( M. E. R. I. ) , NASHIK – 04

RESOURCES ENGINEERING CENTER

NASHIK - 04

Resources Engineering Center, MERI , Nashik I

FOREWARD

The sedimentation is an effect of erosion in the catchment

area of the reservoir and hence, lesser the rate of erosion, smaller is the sediment load entering into the reservoir. Deposition of sedimentation in reservoir gradually reduces the capacity of reservoir. Dead storage capacity as well as live storage capacity gets affected due to sedimentation. Information about reduction in the storage capacity is necessary for the planning and operational purposes and same can be obtained through sediment assessment surveys done at regular interval. Various factors govern the process of erosion, transport and deposition of sediment in the reservoir. Type of soil, drainage density, vegetation, rainfall intensity and duration, shape of catchment and land use / land cover affect erosion. Sediment transportation depends upon slope of the catchment, channel geometry and nature of river bank and bed. Deposition is a function of bed slope of the reservoir, length of reservoir, flow patterns, inflow-outflow rates, grain size distribution, mode of reservoir operation etc.

Established in 1959, The Maharashtra Engineering Research Institute (MERI), Nashik, is a premier engineering research institute working in the field of applied research in civil engineering. Since 1974, MERI has carried out sedimentation assessment studies of various reservoirs in Maharashtra by Hydrographic surveys, DGPS based Bathymetric Surveys, Satellite based Remote Sensing Technique and Ground Based Differential Global Positioning System (DGPS) technique. Resources Engineering Center (REC) of Maharashtra Engineering Research Institute (MERI), Nashik is entrusted with the work of research, investigation and consultancy in capacity assessment surveys. REC has carried out these studies in respect of 311 reservoirs in Maharashtra and brought out “The Status Report on Capacity Assessment of Reservoirs in Maharashtra (1974-2020)”. This report deals with the various techniques of capacity assessment in very elaborative manner. This report also includes the analysis of hydraulic data like storages in reservoirs, catchment area, silt rate, loss in storage. This aspect is highly relevant at present juncture when it is being insisted upon that the whole cost of catchment area treatment works should be borne by the project authorities. The dam is not the cause of erosion in the catchment area.

I take profound pleasure in presenting first edition of the state of art ‘The Status Report on Capacity Assessment of Reservoirs in Maharashtra (1974-2020)’. I would like to complement Shri. S. A. Tatu, Superintending Engineer (MERI) and Shri. Makarand Kulkarni, Executive Engineer (REC) and the team for bringing out this innovative and informative status report. I sincerely hope that this will serve as a useful source of information to engineers, planners, researchers and general public use.

(A. P. Kohirkar) Director General (Design, Training, Hydrology, Research, Safety) Maharashtra Engineering Research Institute Nashik

Resources Engineering Center, MERI , Nashik II

PREFACE

Optimal management of water resources is the prime necessity

of time in the wake of development and growing need of the population. Realizing the need of effective and economical management of our water resources, a useful database has to be developed and updated at regular intervals to monitor the performance of water resources.

MERI is an authority to conduct Capacity Assessment surveys since its establishment. It is treasurer of hydraulic data regarding capacities of reservoirs. ‘The Status Report on Capacity Assessment of Reservoirs in Maharashtra (1974-2020)’ prepared by Resources Engineering Center (REC) under MERI is a welcome initiative. This report elaborates necessity, mechanism and objective of capacity assessment of reservoirs .It also explains traditional and modern techniques for capacity assessment in simple manner. The informations provided by concerned dam/field authorities has been used as a base data in all capacity assessment surveys. The statistics like number of surveys in a year, techniques adopted is given in various tables in the report. Since 1974 up to March 2020, MERI has carried out 311 no. of surveys for reservoirs in Maharashtra. MERI also executes the consultancy services to other agencies like Central Water Commission, Other state WRDs, MahaGenco, TATA and Lavasa. MERI has carried out 76 such surveys in past 20 years.

I am thankful to Hon. A. P. Kohirkar, Director General, MERI for his valuable guidelines regarding report. I compliment Mr. Makarand Kulkarni, EE (REC) for his initiative and innovative concept. I also appreciate the engineers of REC who collected and compiled the data in proper manner. This Status Report is an effort to provide a useful guideline to policy makers, field personnel’s, engineers, research scholars etc. Any Suggestions for further improvement, both in the contents and coverage, will be highly appreciated.

( S. A. TATU ) Superintending Engineer Maharashtra Engineering Research Institute Nashik

Resources Engineering Center, MERI , Nashik III

Acknowledgement

The state of Art ‘The Status report on Capacity Assessment of reservoirs in Maharashtra (1974-2020)’ is a initiative taken up by Resources Engineering Centre, MERI, Nasik is outcome of its long lasting experience of more than 50 years of expertness in Capacity Assessment of reservoir works. REC is one and only state repository of data regarding the current capacities of the reservoirs under MWRD.

This status report is an attempt to share the important data of the reservoirs in Maharashtra to the top level officials, engineers, policymakers, hydrologist and planners as capacity surveys of various reservoirs at regular intervals are considered necessary to evaluate the balance life as well as for the optimal reservoir operation. REC has a vision to publish the status report once in a ten years from now onwards which will give brief idea of the techniques and statistics of current capacities of the reservoirs in Maharashtra under WRD.

I express my sincere thanks to Hon. Shri A. P. Kohirkar, Director General, MERI, Nashik for his valuable and thoughtful suggestions and guidelines. I am also thankful to Hon. Shri. S. A. Tatu, Superintending Engineer, MERI for his experienced ideas and guidelines. I am also thankful to staff of my REC division especially Shri. S. A Gaikwad, SDE and Ms. S. G. Kuwar, AE II who took tremendous efforts to collect, compile and validate the data. REC also express thanks to all the engineers who worked in MERI regarding the capacity assessment surveys, without their efforts it was not possible to complete the report.

This publication is an effort to provide a useful guide to administrators and planners. This is the initiative to emphasize the importance the water resources in planning and managing the important natural resource. The data contained in this publication is no way intended for any purpose. The information given in status report is not binding on any party and does not confer rights or restrictions to any party. REC (MERI) would be ever willing to rectify erroneous information if any, brought to its notice.

( Makarand Kulkarni ) Executive Engineer Resources Engineering Center, Maharashtra Engineering Research Institute Nashik

Resources Engineering Center, MERI , Nashik IV

ENGINEERS ASSSOCIATED WITH THE PREPARATION OF STATUS REPORT

SHRI. A. P. KOHIRKAR DIRECTOR GENERAL (DESIGN, TRAINING, HYDROLOGY, RESEARCH, SAFETY) MAHARASHTRA ENGINEERING RESEARCH INSTITUTE M.E.R.I., NASHIK

SHRI. S. A. TATU SUPERINTENDING ENGINEER MAHARASHTRA ENGINEERING RESEARCH INSTITUTE M.E.R.I., NASHIK

SHRI. MAKARAND KULKARNI EXECUTIVE ENGINEER RESOURCES ENGINEERING CENTER MAHARASHTRA ENGINEERING RESEARCH INSTITUTE M.E.R.I., NASHIK

SHRI. SUNIL GAIKWAD SUB DIVISIONAL ENGINEER RESOURCES ENGINEERING CENTER MAHARASHTRA ENGINEERING RESEARCH INSTITUTE MERI, NASHIK

SHRI. SANTOSH WAGH SUB DIVISIONAL ENGINEER RESOURCES ENGINEERING CENTER MERI, NASHIK

MS. SHRADDHA KUWAR ASSISTANT ENGINEER GR – II RESOURCES ENGINEERING CENTER MERI, NASHIK

MS. PRAJAKTA KEDAR ASSISTANT ENGINEER GR – II RESOURCES ENGINEERING CENTER MERI, NASHIK

MS. ANUPRIYA JADHAV ASSISTANT ENGINEER GR – II RESOURCES ENGINEERING CENTER MERI, NASHIK

SHRI. DINESH NIKAM MRS. ANITA MORKAR SECTIONAL ENGINEER JUNIOR SCIENTIFIC ASSISTANT RESOURCES ENGINEERING RESOURCES ENGINEERING CENTER, MERI, NASHIK CENTER, MERI, NASHIK

Resources Engineering Center, MERI , Nashik V

DISCLAIMER

The sole purpose of the status report is to provide basic information about siltation data of dam to any interested party. It is in no way intended for the purpose other than mentioned above. The information given in status report is not binding on any party and does not confer rights or restrictions to any party. MERI would be ever willing to rectify erroneous information if any, brought to its notice.

CONTACT DETAILS

Superintending Engineer Maharashtra Engineering Research Institute, Nashik-422004. Fax : 0253 2530764. Phone : 0253 2534676. Web Site: www.merinashik.org. e-mail : [email protected]

Executive Engineer Resources Engineering Centre, Maharashtra Engineering Research Institute, MERI, Nashik - 422004. Tel-Fax : 0253-2534676. e-mail : [email protected]

Resources Engineering Center, MERI , Nashik VI

CONTENT PAGE SR. NO. DESCRIPTION NO. 1.0 INTRODUCTION 1 1.1 Division Establishment 1 1.2 Need of Sedimentation Survey 1 1.3 What is Sedimentation? 2 1.4 How it Happen? The Mechanism 2 1.5 Techniques of Measurement of Sedimentation 4 1.6 Objective of Survey 4 1.7 Recommendation 4 1.8 Field Data Requirement 5

2.0 TECHNIQUES OF MEASUREMENTS OF 6 SEDIMENTAION/CURRENT CAPACITY OF RESERVOIR 2.1 Stream Flow Analysis 6 2.2 Capacity Survey 6 2.2.1 Conventional Method 6 2.2.2 Modern Techniques 6

3.0 CAPACITY SURVEY BY CONVENTIONAL METHOD 7 3.1 Procedure for Hydrographic Survey 7 3.2 Procedure for Ground Survey 8 3.3 Analysis of Conventional Survey 8 3.4 Demerits of Conventional Methods 8

4.0 CAPACITY SURVEY BY MODERN TECHNIQUE 10 HITECH BATHYMETRIC SYSTEM 4.1 DGPS Technique 10 4.2 DGPS System 10

5.0 CAPACITY SURVEY BY SATELLITE REMOTE SENSING 16 TECHNIQUE 5.1 Introduction 16 5.2 Methodology of RS Survey 17 5.3 Merits of Remote Sensing Technique 19 5.4 Limitations of Remote Sensing Technique 19

6.0 CAPACITY SURVEY BY HYBRID TECHNIQUE 23 Hybrid Technique (Bathymetric Survey and Satellite Remote 23 6.1 Sensing) 6.2 Methodology used in this Survey 23

Resources Engineering Center, MERI , Nashik VII

PAGE SR. NO. DESCRIPTION NO. 7.0 CAPACITY SURVEY BY GNSS BASED DGPS TECHNIQUE 26

7.1 Global Navigation Satellite System (GNSS) 26

7.2 Segments of GNSS 26

7.3 Field DGPS Technique 27

7.4 DGPS System 27

7.5 Merits of Field DGPS Technique 29

7.6 Limitations of Field DGPS Technique 29

8.0 YEAR WISE SURVEY STATISTICS 32

9.0 PROJECT WISE SURVEY STATISTICS 34

10.0 BASINWISE STORAGE CAPACITY ASSESSMENT OF 43 RESERVOIRS

10.1 Godavari Basin 44 Annexure A: Projects Covering Full Live Storage Capacity 45 (100% LiveStorage Covered) Annexure B: Projects Covering Partial Live Storage Capacity 66 (Study Less Than 100% Live Storage)

10.2 Kokan Basin 88 Annexure A: Projects Covering Full Live Storage Capacity 89 (100% Live Storage Covered) Annexure B: Projects Covering Partial Live Storage Capacity 92 (Study Less Than 100% Live Storage)

10.3 Krishna Basin 97 Annexure A: Projects Covering Full Live Storage Capacity 98 (100% Live Storage Covered) Annexure B: Projects Covering Partial Live Storage Capacity 110 (Study Less Than 100% Live Storage)

Resources Engineering Center, MERI , Nashik VIII

PAGE SR. NO. DESCRIPTION NO. 10.4 Tapi Basin 121 Annexure A: Projects Covering Full Live Storage Capacity 122 (100% Live Storage Covered) Annexure B: Projects Covering Partial Live Storage Capacity 130 (Study Less Than 100% Live Storage)

11.0 GPS DATA COLLECTED DURING GROUND TRUTHING 142 AND LAID ON FCC IMAGE

12.0 PHOTOGRAPHS COLLECTED DURING GROUND TRUTH 145

REFERENCES 150

BIBLIOGRAPHY 151

Resources Engineering Center, MERI , Nashik IX

FIGURE PAGE LIST OF FIGURES NO. NO. Figure 1 Conceptual Sketch of Density Currents & Sediment Deposits 3 in a Reservoir Figure 2 Conceptual Sketch of Different Levels in a Reservoir 4 Figure 3 Conventional Method 9 Figure 4 Depth Sounding 11 Figure 5 DGPS Reference Station : LEICA MX-9250 11 Figure 6 DGPS Mobile Station : LEICA MX-420/2 12 Figure 7 DGPS Boat 13 Figure 8 Differential Global Positioning System 13 Figure 9 2D Contour Map 14 Figure 10 L – Section of Khadakwasla Reservoir ( Year 2008) 14 Figure 11 L – Rangeline Plan for Khadakwasla Reservoir 15 Figure 12 Stages of Remote Sensing 16 Figure 13 Procedural Flow Chart 18 Figure 14 Water Spread Area at Various Levels for Mula Dam 20 Figure 15 Elevation - Area Curve for Different Years for Mula 21 Reservoir Figure 16 Elevation - Capacity Curve for Different Years for Mula 22 Reservoir Figure 17 Revised Elevation - Capacity Curve Using Hybrid Technique 25 Figure 18 Segments of GNSS 26 Figure 19 DGPS Instrument Setup 27 Figure 20 DGPS Instrument Showing Satellite Connectivity 27 Figure 21 DGPS Technique Procedural Flow Chart 28 Figure 22 2D Contour Map of Bhojapur Reservoir 29 Figure 23 FRL Contour on Google Earth Image of Bhojapur 30 Reservoir Figure 24 Overlay of FRL Contour on Satellite Image of Bhojapur 30 Reservoir Figure 25 3D Map of Bhojapur Reservoir 31 Figure 26 Design and Revised Elevation Capacity Curve for 31 Bhojapur Reservoir, Dist- Nashik Figure 27 Collected GPS Data Laid on FCC Image of Natuwadi 143 Reservoir, Dist. Ratnagiri Figure 28 Collected GPS Data Laid on FCC Image of Mas Reservoir 143 Dist. Buldhana Figure 29 Collected GPS Data Laid on FCC Image of Ujjani 144 Reservoir,Dist. Solapur Figure 30 Collected GPS Data Laid on FCC Image of Dnyanganga 144 Reservoir, Dist. Buldhana

Resources Engineering Center, MERI , Nashik X

TABLE PAGE LIST OF TABLES NO. NO.

Table 1 Survey Statistics from 1974 to 2020 33

Table 2 Number of Survey Completed (As of 31.03.2020) 35

Table 3 Capacity Assessment of Reservoirs on Consultancy Basis for 40 Other Agencies Table 4 Hydrological Features for Godavari Basin 65 (Capacity Covered 100%) Table 5 Hydrological Features for Godavari Basin 87 (Capacity Covered Less than 100%) Table 6 Hydrological Features for Kokan Basin 91 (Capacity Covered 100%) Table 7 Hydrological Features for Kokan Basin 96 (Capacity Covered Less than 100%) Table 8 Hydrological Features for Krishna Basin 109 (Capacity Covered 100%) Table 9 Hydrological Features for Krishna Basin 120 (Capacity Covered Less than 100%) Table 10 Hydrological Features for Tapi Basin 129 (Capacity Covered 100%) Table 11 Hydrological Features for Tapi Basin 141 (Capacity Covered Less than 100%)

Resources Engineering Center, MERI , Nashik XI

1.0 INTRODUCTION

1.1 Division Establishment Resources Engineering Center has been established on 01.04.2015. Earlier there were two divisions namely first one ‘Reservoir Sedimentation Survey Division’, which was dealing with reservoir survey by bathymetric system and other division was ‘Remote Sensing & Geo-informatics Division’ which was using remote sensing technique to carry out the sedimentation survey. These two divisions were merged to form ‘Resources Engineering Center’.

Since 1958 reservoir sedimentation activity was executed by conventional/ hydrographic method by the Hydrodynamic Research Division No. 2 which was converted into Reservoir Sedimentation Survey Division in 2006.

The sedimentation cell for carrying out sedimentation work by Remote Sensing Technique was working under Structural Division since 1983. In 2006, Structural Division was renamed as Remote Sensing & Geo-informatics Division to carry out various studies under Remote Sensing Technique.

1.2 Need of Sedimentation Survey All our developmental plans have given high priority to water resources projects involving construction of dams and a large number of dams have been constructed since independence. The capacity of reservoirs is gradually reducing due to silting and hence sedimentation of reservoir is of great concern to all the water resources development projects. Silting not only occurs in dead storage but also encroaches into live storage capacity, which has long and short-range impact on the functioning of the project and economics. Correct assessment of sedimentation rate is essential for assessing useful life of the reservoir as well as optimum reservoir operation schedule. Since 1958, when it was established that the live storage of the reservoir is getting reduced due to siltation, a systematic effort has been made by various departments / organizations to evaluate the capacity of reservoirs. Various techniques like boat echo sounder etc being replaced by hydrographic data acquisition system (HYDAC) and HITECH method using Differential Global Positioning System (DGPS).The conventional techniques are found to be either time consuming or costly and require considerable manpower. Remote sensing technique to calculate the present capacity of reservoir is found to be very useful due to its synoptic and repetitive coverage. The surveys based on remote sensing data are faster and economical, too.

Impact of sedimentation on multipurpose reservoir is more significant than that on others. In some of the reservoirs, the rate of sedimentation has been higher than what has been considered at the planning stage. Some reservoirs in the world have been silted up so fast that they have become useless. Many of the reservoirs in India are losing capacity at the rate of 0.2 to 1 percent annually. Therefore, it has become necessary that the surveys be conducted in all the existing reservoirs for ascertaining siltation rate and their useful life. This will also make data available for deriving siltation indices for different regions and river basins on which the future design of reservoirs can be based. These surveys will also enable selection of appropriate

Resources Engineering Center, MERI , Nashik Page 1 measures for controlling sedimentation along-with efficient management and operation of reservoirs thereby deriving maximum benefits for the society. Recent observations have brought to light the alarming fact that the reservoir sedimentation resulting from degradation of watersheds is much higher compared to the rate that was assumed at the time the projects were designed. Sedimentation adversely affects planning for long term utilisation of reservoir capacity for irrigation, power generation, drinking water supply and flood moderation. 1.3 What is Sedimentation? Sedimentation is natural process like erosion in the catchment area and its deposition in various parts of reservoirs gradually reduces the capacity of reservoir. Dead as well as live storages are affected by it. Information about the reduction in capacity is necessary for all the planning and operational purpose and same can be obtained through sediment assessment surveys done at regular interval.

1.4 How it Happen? The Mechanism In order to obtain the knowledge of sedimentation in the reservoir, it is necessary to study the mechanism of sedimentation. The objective of such study is to mitigate reservoir sedimentation, prolong the life span of reservoirs and to take full benefits of reservoirs. Characteristics of reservoir sedimentation include amount, distribution, configuration and composition of sediment deposits.

As water enters a reservoir, its velocity diminishes because of the increased cross sectional area of the channel. If the water stored in the reservoir is clear and the inflow is muddy, the two fluids have different densities and the heavy turbid water flows along the channel bottom towards the dam under gravity. This condition is known as “stratified flow” and the underflow is called a “density current”. In a general sense, a density current may be defined as a gravity flow. From fig. 1 it may be seen that the depth of the turbid flow increases to the point where the density current is established after which it tends to decrease again (Varshney, 1977). The magnitude of sediment deposition and relative change therefore depend on many factors such as reservoir shape, channel slopes, relation of outflow to inflow and density differences. As a rule, however, conditions are such that density currents move very slowly. In many respects deposits in a reservoir resemble to those in a delta, formed by stream at sea. The deposits are i) bottom set beds consisting of the fine sediments brought in by the stream, ii) the fore-set beds formed of the coarser sandy sediments, iii) top set beds consisting of coarser particles and iv) density current deposits (Following Figure 1 ) (Varshney, 1997).

As a general rule, progressively smaller sizes of material will be deposited beyond the delta front, resulting in a gradual downward slope of the reservoir bed. If the stream carries an appreciable wash load, much of this material may not settle because the cross sectional area of the stream increases. Furthermore, the suspension may not mix completely with the clear water of the reservoir because of its difference in specific gravity. The gravity underflow (density current) moves through the entire length of the reservoir. Unless this portion of the flow is discharged at the dam, it will collect as

Resources Engineering Center, MERI , Nashik Page 2 a submerged pool, forming almost level floor in the deepest part of the reservoir, where it gradually compacts.

Figure 1 : Conceptual Sketch of Density Currents & Sediment Deposits in a Reservoir

The sedimentation is a effect of erosion in the catchment areas of the reservoir and hence the lesser the rate of erosion, smaller is the sediment load entering the reservoir. Various factors govern the process of erosion, transport and deposition of sediment in the reservoir. Type of soil, drainage density, vegetation, rainfall intensity and duration, shape of catchment and land use / land cover affect erosion. Sediment transportation depends upon slope of the catchment, channel geometry and nature of river bank and bed. Deposition is a function of bed slope of the reservoir, length of reservoir, flow patterns, inflow-outflow rates, grain size distribution, mode of reservoir operation etc.

Earlier it was believed that sediment always gets deposited in the bottom elevations of reservoir affecting the dead storage rather than depositing throughout the full range of

Resources Engineering Center, MERI , Nashik Page 3 reservoir depth. It is now fully established that deposition takes place throughout the reservoir reducing the incremental capacity at all elevations.

Several factors like amount of sediment load, size distribution, fluctuations in stream discharge, shape of reservoir bed, stream valley slope, vegetation at the periphery of reservoir, location and size of reservoir, outlets position etc., control the location of sediment deposits in the reservoir. Figure 2 shows different levels in the reservoir where-in the capacity is affected.

Reservoir operates between Minimum Draw Down Level (MDDL), to Full Reservoir Level (FRL). The storage between these two levels is the live storage as shown in Figure 2. The storage below MDDL is the dead storage. Water stored along the valley bed is known as valley storage.

Figure 2: Conceptual Sketch of Different Levels in a Reservoir

1.5 Techniques of Measurements of Sedimentation  Stream flow analysis  Capacity survey

1.6 Objective of Survey  To estimate total siltation in reservoir  To estimate present gross storage capacity of reservoir  To update the content table at different elevations  Updating Elevation-Area-Capacity curve

1.7 Recommendation It is recommended that the capacity surveys on regular intervals of once in five years for all major reservoirs should be carried by project authority.

Resources Engineering Center, MERI , Nashik Page 4

1.8 Field Data Requirement During Survey following Field data is required from the reservoir authority for reference/study.

i) Index map of Project. ( Soft copy/ Hard copy ) ii) Submergence plan (FRL Contour) iii) Salient features of the Project. iv) Area Capacity Table - as per project report. v) Area Capacity Curve - Graph as per project report. vi) Information reports pertaining to all the previous hydrographic surveys conducted so far vii) Reservoir Levels, Water Spread Area and Capacity for given dates of pass of the satellite. viii) Phone Nos. / Fax Nos. / Email addresses of all concerned offices.

Resources Engineering Center, MERI , Nashik Page 5

2.0 TECHNIQUES OF MEASUREMENTS OF SEDIMENTAION/CURRENT CAPACITY OF RESERVOIR

There are broadly two methods for measurements of sedimentation in reservoir.

 Stream flow analysis  Capacity survey

2.1 Stream Flow Analysis Stream flow analysis is continuous observation process consisting of measurement of inflows and outflows with sediment sampling. Apart from the measurements, accuracy of analysis is also vital for proper estimation of unit-mass of the deposited material from the point of view of volumetric conversion.

In this method, the sediment inflow into the reservoir including estimated bed load and the outflow there from is measured at all significant points of entry and exit. The difference gives the quantity of deposit during the period of analysis. The point of measurement should be sufficiently close to the reservoir periphery and particular care must be taken to complete outflow sampling before it meets the credible channel downstream.

The analysis consists of main parts (1) measurement of water inflows and outflows and (2) simultaneous measurement of sediment concentration.

This method gives quantity of deposit in gravimetric terms and conversion into volumetric units calls for the estimation of the average unit mass off the deposited sediment material. A direct method of doing this is by collecting systematic samples of the deposit in an undisturbed state from all over the reservoir bed and finding out a correlation between the average dry unit mass and the fractional composition of different grains such as clay, silt and sand.

2.2 Capacity Survey 2.2.1 Conventional Method 2.2.2 Modern Techniques

 Hitech bathymetric system  Satellite Remote Sensing Technique  Hybrid Technique (Bathymetric with Satellite Remote Sensing)  GNSS based field Differential Global Positioning System (DGPS)

Resources Engineering Center, MERI , Nashik Page 6

3.0 CAPACITY SURVEY BY CONVETIONAL METHOD

Earlier methodology adopted for sedimentation survey was conventional. Depth of sounding is measured by echo sounder and its position is fixed by taking its angle from the river bank.

3.1 Procedure for Hydrographic Survey : i) Straight portion of dam line is selected as reference line. With respect to this reference line a base line along the left or right (whichever is suitable) bank of reservoir is laid with the help of theodolite. ii) Cross sections at 100m/200m/300 m. spacing are laid perpendicular to base line (or at an angle suitable as per field condition). Cross sections are laid parallel as far as possible. iii) At each end of cross section three pegs are fixed. One peg is fixed at the place where water touches ground. Three flags/ranging rods are fixed at peg, second peg at FRL and third peg at intermediate of water level and FRL along the cross section. iv) A paddle boat mounted with echo sounder of transducer is used for depth measurement. v) Theodolite is set up at fixed distance (say 50 or 100 m) & perpendicular to cross section no. 1 towards cross-section no. 2 Paddle boat is kept near the peg which is fixed at water face. A flag is kept on the boat near transducer to give signal to man taking angles through theodolite. vi) First angle of place when sounding is taken is near the peg (near water face). Boat is moved along the cross-section no. 1 by direct ranging three flags on another bank. After interval of 2/3 minutes sounding is taken at the same time signal with flag on the boat is given to theodolite man to take angle of that sounding procedure is repeated till boat reaches another bank. Angle of peg near water face on another bank is also taken.

Cross-section no. 2, is surveyed by repeating step (v) & (vi). Similarly all the cross sections are surveyed in this way.

Daily water levels are recorded for further analysis.

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3.2 Procedure for Ground Survey : Ground survey of both banks is carried out simultaneously along with hydrographic survey by employing two separate teams on both banks. Ground survey is carried out from Water Level to F.R.L. by dumpy level and measuring tape.

Cross-section laid during hydrographic survey is extended on both banks by direct ranging.

Chaining along cross- section from water face is done with 15 m interval. A permanent bench mark on dam site is selected as reference. Ground levels @ 15 m interval from peg near water face are recorded with help of leveling instruments (Dumpy levels or Automatic levels). Same procedure is followed on another bank.

Above procedure is followed for all cross-sections.

3.3 Analysis of Conventional Survey : With the help of angles taken by theodolite during hydrographic survey, distances of sounding from water face peg are calculated by simple trigonometric formula. This is followed for all cross-sections.

With the help of daily water levels and sounding depth ground level of sounding point’s area calculated.

Data obtained in step (i) and (ii) & ground survey is plotted on paper with appropriate scale. Contours are plotted with 1 m. interval. Area of each contour is measured with the help of planimeter. Volume is computed by prismoidal formula. Volume obtained is compared with original volume of reservoir to get amount of sedimentation.

3.4 Demerits of Conventional Methods:  Laborious and time consuming  Need elaborate pre-survey arrangements  Inaccessible site conditions, remoteness, forest area & difficult terrain etc. often pose problems in fixing of reference station and erecting monument pillars on site.  Analysis of data is also tedious and time consuming.

Resources Engineering Center, MERI , Nashik Page 8

Figure of Method:

CONVENTIONAL METHOD RANGE DAM PILLARS LINE WATER LEVEL FLAG

RANGE LINES

F.R.L.

BASE LINE

THEODOLITE STATION

Figure 3 : Conventional Method

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4.0 CAPACITY SURVEY BY MODERN TECHNIQUE HITECH BATHYMETRIC SYSTEM

4.1 DGPS Technique: Differential Global Positioning System (DGPS) in which two or more satellite based GPS receivers are used in differential mode for positioning and Echosounder is used for depth measurement. GPS reference receiver is located at a known latitude and longitude position and GPS mobile receiver is located on the survey boat. Both the GPS operate in differential mode through a communication link.

4.2 DGPS System: The Integrated Bathymetric system will be used to collect data on depth and bottom topology of Reservoirs and Rivers. Primary application is reservoir sedimentation Surveying; products will be reservoir capacity figures as a function of depth, depth contours and bottom topology change over time.

Integrated Bathymetric System consist of

a) Main Equipments:

 Echosounder  Sound velocity calibrator  Differential global positioning system  Data collection computer  Bathymetric surveying software for data acquisition, storage and processing and including a helmsman display.  Survey boat.  Voice radio.

b) Auxiliary Equipment:

 Battery charger  Portable generator  UPS  Office computer  CD recorder  Plotter  Printer

c) ECHOSOUNDER – NAVISOUND 415

This unit is used for measuring depth of sounding

 Selectable 200/33 khz frequency  Depth range – 0.2 to 1200 m.  Power supply – 230 v ac or 12 v dc

Resources Engineering Center, MERI , Nashik Page 10 d) SOUND VELOCITY PROBE – SVP-15

This unit is used for finding out the velocity of sound in water. Velocity of sound in water is one of the important parameters required for the echosounder.

DEPTH SOUNDING

DGPS ANTENNA SATELLITE ANTENNA

TRANSDUCER

DRAFT

REFLECTED ENERGY DEPTH ACOUSTIC ENERGY

Figure 4 : Depth Sounding

Figure 5 : DGPS Reference Station : LEICA MX-9250

Resources Engineering Center, MERI , Nashik Page 11

DGPS reference station is used for accurate positioning. Slide shows the set up at reference station. This consists of DGPS unit supported by choke ring satellite antenna & UHF antenna.

The unit can be operated through ac or dc DGPS reference station is kept in self survey mode for 24 hours to know its accurate position. A data link in the unit is used to transmit the corrections in position (difference in known position & daily continuous receiving position) to mobile station for accurate positioning of mobile station. Corrections are transmitted through UHF antenna.

Figure 6 : DGPS Mobile Station : LEICA MX-420/2

Mobile station is used for positioning of the sounding. Slide shows the set up at mobile station. This consists of DGPS unit supported by satellite antenna & UHF antenna.

The unit can be operated through ac or dc.

Mobile station receives corrections from reference station. A data link in the unit is used to receive the corrections in position. Corrections are received through UHF antenna.

Mobile station is interfaced with echosounder.

Echosounder measures the depth. A string of position & depth is sent to data acquisition pc through echosounder. This data is collected & organised by the survey software.

Survey software loaded in data acquisition computer is also used for chart preparation useful for navigation of boat on cross-section.

E) SOFTWARE USED FOR DGPS ANALYSIS:

 NAVISOFT SURVEY (SURVEY SOFTWARE)  NAVISOFT SURFER (ANALYSIS SOFTWARE)

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F) SURVEY BOAT & TRAILER:

This is an important equipment of the system. Boat is 7.5 m long and 2.60 m wide. It is equipped with two 60 hp outboard engines. To carry and unload the boat on water a crain and trailer is provided.

Figure 7 : DGPS Boat

Figure 8 : Differential Global Positioning System

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2217500

2217000 611 610 609 2216500 608 607 606 605 2216000 604 603 602 601 2215500 600 599 598 597 2215000 596 595 594 2214500 593 592 591 590 2214000 589 588 587 586 2213500 585

2213000

357500 358000 358500 359000 359500 360000 360500 361000 361500

Figure 9 : 2D Contour Map

Figure 9 : 2D Contour Map

Figure 10 : L – Section of Khadakwasla Reservoir (Year 2008)

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Figure 11 : L – Rangeline Plan for Khadakwasla Reservoir

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5.0 CAPACITY SURVEY BY SATELLITE REMOTE SENSING TECHNIQUE

5.1 Introduction Remote sensing is the art and science of collecting information about earth’s feature without being in physical contact with it, Or in other words Remote Sensing means sensing of earth’s surface from space by making use of the properties of electromagnetic wave emitted, reflected or diffracted by the sensed objects, for the purpose of improving natural resource management, land use and the protection of the environment.

Various features on earth surface reflect or emit electromagnetic energy depending upon their characteristics. The reflected radiation depends upon physical properties of the terrain and emitted radiation depends upon temperature and emissivity. The radiations are recorded by the sensors onboard satellite and then are transmitted back to earth. Data received at ground stations, is digitally or visually interpreted to generate thematic maps. Discrimination between features depends on the fact that the response from different features like vegetation, soil, water is different and discernable.

Figure 12 : Stages of Remote Sensing

Data acquisition is done from various polar orbiting satellites (orbiting around 800 to 900 km altitude), namely Indian Remote Sensing satellite (IRS), European Remote Sensing satellite (ERS), Landsat and SPOT satellites. Data from these satellites are being received and archived by National Remote Sensing Agency (NRSA) at Hyderabad.

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For study most of time the data may be used from IRS P6 as well as Resource-sat 2 and Resource-sat 2A satellites. It has LISS III and LISS IV sensor, which operates in four spectral bands. Three bands are in the visible and near infra red region with spectral band widths as 0.52-0.59 m, 0.62-0.68 m and 0.77-0.86 m. Fourth band with spectral bandwidth of 1.55-1.75 m falls in short wave infra red region. This LISS 3 sensor image has spatial resolution as 23.5 m and LISS 4 sensor image has spatial resolution as 5.6 m.

Reservoir sedimentation surveys are essentially based on mapping of water-spread areas at the time of satellite pass. It uses the fact that water-spread area of the reservoir reduces with the sedimentation at different levels. The water-spread area and the elevation information are used to calculate the volume of water stored between different levels. These capacity values are then compared with the previously calculated capacity values to find out change in capacity between different levels.

Remote sensing based reservoir capacity estimation has certain limitations. The capacity estimation works between MDDL to FRL only. These are the levels between which reservoir operates. Thus changes can be estimated only in the live capacity of reservoir. For capacity estimation below MDDL corresponding to dead storage conventional hydrographic survey techniques are to be used. Availability of cloud free data throughout reservoir operations also poses limitations in the analysis. This can be overcome by combining data from different water years to get full operative range. This technique gives accurate estimates for fan shaped reservoir where there is a considerable change in water spread area with change in water level.

5.2 Methodology of RS Survey The basic concept is to find out the water-spread area from satellite data for different water levels between MDDL to FRL. The difference between aerial spread of water between current year and earlier years is the aerial extent of silting at these levels. The methodology for estimation of live capacity of reservoir using remote sensing consists of following major tasks: a) Shortlist for Procedure

 Data Loading  Image Geo-Referencing  Area Extraction  Image Analysis and Water Spread Area Computation  Water Spread Area at Regular Interval  Calculation of Reservoir Capacity  Comparison with Original Survey

Resources Engineering Center, MERI , Nashik Page 17 b) Detail Procedure

 All the scenes are loaded in the system.  Satellite images are geo-referenced with each other with the help of ERDAS IMAGINE software.  Rectified scene is loaded on the system. A small area around reservoir is extracted from one scene in interactive way.  Image Analysis and Water Spread Area Computation done by either Normalised Difference Vegetation Index (NDVI) or classification.  To extract Water spread Area at regular interval.  Calculate present reservoir live capacity & compare with original survey  Calculate capacity loss due to sedimentation.  Make the revised area capacity table for live storage or storage cover under study. c) Procedural Flow Chart

Figure 13 : Procedural Flow Chart

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5.3 Merits of Remote Sensing Technique:  Cost effective  Time saving  Requires less manpower  Accuracy is better for fan shaped reservoirs with large variation in area for small change in water level.  The minimal field work is required.  Normally more reservoirs are covered in single scene.

5.4 Limitations of Remote Sensing Technique  Required specialized training for analysis of images  Accuracy of results depends upon the field visit and Ground truth collection during the survey period  Due to cloud cover, images of required date/season are not available  Continuous high resolution data is not available

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Reservoir Water Spread

Mm2

Figure 14 : Water Spread Area at Various Levels for Mula Dam

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554.00 RL 552.21 m 552.00

550.00

548.00 > ---- 546.00 SRS 2015

544.00 Design Area SRS Area Elevation in m Elevation 542.00 Original 1972

540.00

538.00 RL 537.29 m 536.00 0.00 10.00 20.00 30.00 40.00 50.00 60.00 Area in Mm2--->

Figure 15 : Elevation - Area Curve for Different Years for Mula Reservoir

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554.00

RL 552.21 m 552.00

550.00

548.00 > ---- 546.00 SRS 2015

544.00 Design Area SRS Area Elevation in m Elevation 542.00 Original 1972

540.00

538.00 RL 537.29 m 536.00 0.00 10.00 20.00 30.00 40.00 50.00 60.00 Area in Mm2--->

Figure 16 : Elevation - Capacity Curve for Different Years for Mula Reservoir

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6.0 CAPACITY SURVEY BY HYBRID TECHNIQUE

6.1 Hybrid Technique (Bathymetric survey and Satellite Remote Sensing)

The limitation of DGPS based Bathymetric and Remote Sensing method is that it requires about minimum 1.5-2 meters clearance between bed level and the bottom of the boat floating on the water. Thus this method also does not cover entire reservoir portion from FRL to reservoir bed level. For reservoir portion of less than 2 meters depth, this survey is to be supplemented with ground survey by total station or by remote sensing.

Taking into consideration the advantages and disadvantages of both (DGPS & RS) the methods, it would be a wise approach to adopt hybrid technique, i.e. DGPS bathymetric survey in combination with remote sensing.

The experience gained after these surveys conducted by different techniques revealed that hybrid technique is definitely more economical, faster and less laborious and at the same time, reliable also.

Since DGPS Bathymetric survey alone would not have helped to estimate total siltation it is supplemented with Remote Sensing technique for the reservoir portion not covered under DGPS bathymetric survey. The remote sensing method and DGPS Bathymetric survey in combination were applied to cover the entire reservoir portion from its bed level up to its FRL.

Hybrid technique is a blending of DGPS Bathymetric survey with Satellite Remote Sensing technique to carry out sediment assessment survey is more useful and full fledged survey which eliminates the limitations of remote sensing survey and DGPS bathymetric survey conducted alone. The surveys done by such hybrid technique gives accurate information about total sedimentation in reservoir at different elevations.

In this Method, the result of DGPS bathymetric survey and remote sensing survey are clubbed together (i.e. Hybrid Technique) to estimate total siltation in reservoir from reservoir bed level to FRL.

6.2 Methodology used in this Survey:

To estimate total siltation in reservoir from reservoir bed level to FRL following steps are there.

To estimate the present area & capacity individually for DGPS & RS survey, which is done for different portion of reservoir.

Then join the two different portions area & capacity together. Be cautious at joining point where the area of both survey is became nearly same.

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The method should be same for capacity calculation (preferably use primoidal formula) for both surveys.

After clubbing the both survey, make revised area capacity table at 0.1 m regular interval.

Calculate the storage capacity loss of reservoir by comparing the Present gross storage & Original gross storage.

Plot the Revised Area-Capacity graph & prepare table (0.1 m regular interval) as a ready reckner for field authority to manage the remaining storage.

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630

625

620

615

610

605

600 Elevation M Elevation 595

590 DGPS Curve

Elevation in m 585 RST Curve

580

575 0 100 200 300 400 500 600 3 CapacityCapacity in Mm Mm 3

Figure 17 : Revised Elevation - Capacity Curve Using Hybrid Technique

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7.0 CAPACITY SURVEY BY GNSS BASED DGPS TECHNIQUE

7.1 Global Navigation Satellite System (GNSS):

A global navigation satellite system (GNSS) is a system that enables positioning and navigation in three dimensioning anywhere in the world using satellite signals. 7.2 Segments of GNSS:

 Space segment – Satellites  Control segment – Ground control & Monitoring stations  User segment – GPS Receivers

Figure 18 : Segments of GNSS

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7.3 Field DGPS Technique:

Two or more GPS receive signals from the same set of satellites simultaneously. One GPS unit, known as the reference or base station, is always positioned on a known point. The observations are processed with respect to the base station to obtain the position of other station known as the rover station.

Rover Unit

Base Unit

Figure 19 : DGPS Instrument Setup

7.4 DGPS System:

Field DGPS system will be used to collect data of submergence area of reservoir which is not under water. The main application is reservoir sedimentation survey. The results will be reservoir capacity as a function of depth, depth contours changes over the time.

Figure 20 : DGPS Instrument Showing Satellite Connectivity

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Field DGPS System Consists of:

 Receiver Unit (Base and Rover)  Controller Unit ( Base and Rover)  Tripod Stand  Bipod Stand  Battery  Battery Charger  Height Measuring Unit  Antenna Tribrach Fitting  DGPS Antenna cable  DGPS Power cable  Rover Rod

Figure 21 : DGPS Technique Procedural Flow Chart

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7.5 Merits of Field DGPS Technique:

 Highly Accurate  Line of Sight not required  Can be used for a very long base line  3-dimensional global co-ordinate system (X,Y,Z) output  Digital/ Computerized data storage, processing facility  Digital output fully compatible with GIS  No accumulated error  Very less chance of human error

7.6 Limitations of Field DGPS Technique:

 The GPS Instrumentation is comparatively expensive  It requires new skills to be learned, and new procedures and strategies for planning, field operation and analysis.  There should be no obstructions to the GPS signals. It cannot be used underground and may have limited application in dense urban and forest areas.  Reflected GPS signals causes multipath position error.

Figure 22 : 2D Contour Map of Bhojapur Reservoir

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Figure 23 : FRL Contour on Google Earth Image of Bhojapur Reservoir

Figure 24 : Overlay of FRL Contour on Satellite Image of Bhojapur Reservoir Reservoir Resources Engineering Center, MERI , Nashik Page 30

Figure 25 : 3D Map of Bhojapur Reservoir

Figure 26 : Design and Revised Elevation Capacity Curve for Bhojapur Reservoir, Dist- Nashik

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8.0 YEAR WISE SURVEY STATISTICS

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Table No 1 : Survey Statistics from 1974 to 2020

Years Conventional Bathymetry RS Hybrid Field Total (RS+ DGPS Bathymetry) 1974 1 - - - - 1 1975 3 - - - - 3 1976 1 - - - - 1 1977 3 - - - - 3 1978 1 - - - - 1 1979 2 - - - - 2 1980 2 - - - - 2 1981 2 - - - - 2 1982 - - - - - 0 1983 3 - - - - 3 1984 1 - - - - 1 1985 2 - - - - 2 1986 3 - - - - 3 1987 2 - - - - 2 1988 2 - - - - 2 1989 1 - - - - 1 1990 3 - - - - 3 1991 2 - - - - 2 1992 1 - - - - 1 1993 0 - - - - 0 1994 2 - - - - 2 1995 2 - - - - 2 1996 3 - - - - 3 1997 1 - 1 - 1 3 1998 - - - - - 0 1999 1 - - - - 1 2000 1 - 8 - 1 10 2001 1 - 1 - - 2 2002 1 - 1 - 1 3 2003 1 - 13 - - 14 2004 - - 1 - 2 3 2005 - - 5 - - 5 2006 - - 15 1 4 20 2007 - - 11 5 3 19 2008 - - 5 6 - 11 2009 - - 6 6 - 12 2010 - - 19 8 - 27 2011 - 1 5 4 - 10 2012 - 1 17 4 - 22 2013 - - 14 - - 14 2014 - - 22 - - 22 2015 - - 28 - - 28 2016 - - 12 - - 12 2017 - - 18 - 2 20 2018 - - 7 - 1 8 2019 - - 2 - 1 3 Total 48 2 211 34 16 311

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9.0 PROJECT WISE SURVEY STATISTICS

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Table No. 2 : Number of Survey Completed (As of 31.03.2020)

Sr. Year of Sr. Year of Reservoir Name Reservoir Name No. Survey No. Survey 1 Visapur 1974 2 Khasapur 1975 3 Kolgaon 1975 4 Koyna 1975 5 Naher 1976 6 Mukti 1977 7 Naher 1977 8 Waghad 1977 9 Waghad 1978 10 Girna 1979 11 Koyna 1979 12 Girna 1980 13 Koyna 1980 14 Bindusara 1981 15 Jayakwadi 1981 16 Kolgaon 1983 17 Visapur 1983 18 Yeldari 1983 19 Mangi 1984 20 Khelna 1985 21 Nalganga 1985 22 Koyna 1986 23 Mukti 1986 24 Nazare 1986 25 Asolamendha 1987 26 Ramtek 1987 27 Kolgaon 1988 28 Visapur 1988 29 Mangi 1989 30 Bindusara 1990 31 Khasapur 1990 32 Mhaswad 1990 33 Ekrukh 1991 34 Mukti 1991 35 Hatnur 1992 36 Asolamendha 1994 37 Ramtek 1994 38 Bindusara 1995 39 Mangi 1995 40 Khasapur 1996 41 Powai 1996 42 Manjara 1996 43 Jayakwadi 1997 44 Gangapur 1997 45 Manar 1999 46 Patalganga 1997 47 Bhatgar 2000 48 Dhom 2000 49 Kanher 2000 50 Koyna 2000 51 Koyna 2000 52 Panshet 2000 53 Tiru 2000 54 Varasgaon 2000 55 Veer Reservoir 2000 56 Ujjani 2001 57 Wan 2001 58 Gangapur 2002 59 Manjara 2002 60 Manjara 2002 61 Bhandardara 2003 62 Bor Reservoir 2003 63 Darna 2003 64 Dham 2003 65 Gangapur 2003 66 Karanjwan 2003 67 Lower Terna 2003 68 Mukane 2003 69 Palkhed 2003 70 Totladoh 2003 71 U. Penganga 2003 72 Upper Wardha 2003 73 Wadgaon 2003 74 Wan Reservoir 2003

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Sr. Year of Sr. Year of Reservoir Name Reservoir Name No. Survey No. Survey 75 Koyna 2004 76 Majalgaon 2004 77 Sudgaon 2004 78 MahibajajSagar 2005 79 Ozarkhed 2005 80 Thanwar 2005 81 Vaitarna 2005 82 Adan 2006 83 Alandi 2006 84 Bhakra 2006 85 Chankapur 2006 86 Itiadoh 2006 87 Kadwa 2006 88 Khidshi 2006 89 Lower Pus 2006 90 ManikDoh 2006 91 Minimata 2006 92 Pench 2006 93 Pong Reservoir 2006 94 Sabarmati 2006 95 Siddheshwar 2006 96 Vadaj 2006 97 Yedgaon 2006 98 Arunavati 2007 99 Bhatgar 2007 100 Bhatsa 2007 101 Erai 2007 102 Ghod 2007 103 Hatnur 2007 104 Kadwa 2007 105 Kamathkhairi 2007 106 Kolar 2007 107 Nanaksagar 2007 108 Nand Reservoir 2007 109 Pairi Reservoir 2007 110 Panshet 2007 111 Totladoh 2007 112 Wadgaon 2007 113 Yeldari 2007 114 Bori Reservoir 2008 115 Katepurna 2008 116 Kelzar 2008 117 Modaksagar 2008 118 Mula Reservoir 2008 119 Mulshi 2008 120 Tansa 2008 121 Upper Pus 2008 122 Varasgaon 2008 123 Veer Reservoir 2008 124 Karanjwan 2009 125 Khadakwasala 2009 126 Manyad 2009 127 Eari Reservoir 2010 128 Goki Reservoir 2010 129 Haranbari 2010 130 Itiadoh 2010 131 Khindshi 2010 132 Morna 2010 133 Sonal Reservoir 2010 134 Wadgaon 2010 135 Chankapur 2010 136 Dimbhe 2010 137 Ghod Reservoir 2010 138 Girna Reservor 2010 139 Hatnur 2010 140 Kanher 2010 141 Manikdoh 2010 142 Manjara 2000 143 Ujjani 2005 144 Bhandardara 2006 145 Dhom 2006 146 PimpalgaonJoge 2006 147 Manikdoh 2006 148 Gangapur 2007 149 Kanher 2007 150 Bhatghar 2007

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Sr. Year of Sr. Year of Reservoir Name Reservoir Name No. Survey No. Survey 151 Ghod 2007 152 Khadakwasla 2007 153 Karanjwan 2008 154 Chankapur 2009 155 Erai 2009 156 Bor 2010 157 Dham 2010 158 Dnyanganga 2010 159 Jam 2010 160 Kanholibara 2010 161 Kar 2010 162 Kolar 2010 163 Koradi 2010 164 Mas 2010 165 Mun 2010 166 Nalganga 2010 167 Pench (KamathiKhairi) 2010 168 Pentakli 2010 169 Totladoh 2010 170 Utavali 2010 171 Majalgaon 2010 172 Tulshi 2010 173 Varasgaon 2010 174 Vihar 2010 175 Aner 2011 176 Karvand 2011 177 Khekranalla 2011 178 Panzara 2011 179 Terna 2011 180 Dasve 2011 181 Punegaon 2011 182 Radhanagari 2011 183 Waghad 2011 184 Yeldari 2011 185 Aashti 2012 186 Adan 2012 187 Arunavati 2012 188 Chulband 2012 189 Ghorazari 2012 190 Goki 2012 191 Jayakwadi 2012 192 Kalisarar 2012 193 Katepurna 2012 194 Lower Pus 2012 195 Morna 2012 196 Nirguna 2012 197 PujaraTola 2012 198 Sirpur 2012 199 Sonal 2012 200 Upper Pus 2012 201 Koyna 2012 202 Mulshi 2012 203 Shirwata 2012 204 Thokarwadi 2012 205 Tulshi 2012 206 Walwan 2012 207 Adhala 2013 208 Amalnalla 2013 209 Asolamendha 2013 210 Chargaon 2013 211 Kashyapi 2013 212 Lalnalla 2013 213 Makardhokra 2013 214 Pothra 2013 215 Wadgaon (Lower 2013 216 Waghadi 2013 217 Waldeviwunna) 2013 218 Yedgaon 2013 219 Morana ( Shirala) 2013 220 Dara 2013 221 Dina 2014 222 Nand ( Lower wunna) 2014 223 Ozarkhed 2014 224 Visapur 2014 225 Palkhed 2014 226 Matoba 2014

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Sr. Year of Sr. Year of Reservoir Name Reservoir Name No. Survey No. Survey 227 Shahanur 2014 228 Sina 2014 229 Wan 2014 230 Manar 2014 231 Karpara 2014 232 Chankapur 2014 233 Masoli 2014 234 Punegaon 2014 235 Renapur 2014 236 Gautami 2014 237 Yeralwadi 2014 238 Alandi 2014 239 Warana 2014 240 Waghad 2014 241 Tisgaon 2014 242 Nazare 2014 243 Bodhalkasa 2015 244 Ekrukh 2015 245 Burai 2015 246 Haranbari 2015 247 Chorkhamara 2015 248 Kelzar 2015 249 Dhanibara 2015 250 Khindshi(Ramtek) 2015 251 Mhaswad 2015 252 Suki 2015 253 Ner 2015 254 Chandani 2015 255 Pawana 2015 256 Mangi 2015 257 Saikheda 2015 258 Pawana 2015 259 Shetphal 2015 260 Kundalika 2015 261 Adol 2015 262 Karanjwan 2015 263 Mula 2015 264 Darna 2015 265 Bhandardara 2015 266 Mayani 2015 267 Mandohol 2015 268 Veer 2015 269 Mukane 2015 270 Ghorazari 2015 271 Chilewadi 2016 272 Gangapur 2016 273 Kasari 2016 274 Jawalgaon 2016 275 Surya 2016 276 Wandri 2016 277 Kadwa 2016 278 Uma 2016 279 Nagyasakya 2016 280 Ekburji 2016 281 Paldhag 2016 282 Koradi 2016 283 Kurnur 2017 284 Bhojapur DGPS 2017 285 Bhatsa 2017 286 Hatnur 2017 287 Chitri 2017 288 Panzara 2017 289 Tawarja 2017 290 Dudhaganga 2017 291 Natuwadi 2017 292 Mas 2017 293 Hetawane 2017 294 Nalganga 2017 295 Dnyanganga 2017 296 Manyad 2017 297 Kanoli 2017 298 Rangawali 2017

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Sr. Year of Sr. Year of Reservoir Name Reservoir Name No. Survey No. Survey 299 Bori 2017 300 Malangaon 2017 301 Sonwad 2017 302 Hivra 2018 303 Jangamhatti 2018 304 Tembhapuri 2018 305 Ujjani 2018 306 Tillari 2018 307 Sukhana 2018 308 Aner 2018 309 Karwand 2018 310 Barvi 2019 311 Girja 2019

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Table No. 3: Capacity Assessment of Reservoirs on Consultancy Basis for Other Agencies

Authorizing Sr. No. Year Name of Reservoir State Agency

1 2006-07 Tilaiya Jharkhand 2 Panchet hill Jharkhand 3 Kadana Gujarat 4 Mahi Bajaj Sagar Rajasthan 5 Ukai Gujarat 6 Dhom Maharashtra 7 Urmial Sagar Rajasthan 8 Thanwar Madhya Pradesh Central Water 9 Pong Himachal Pradesh Commission, New 10 Nanaksagar Uttarakhand Delhi (Total- 19 Projects) 11 Sabarmati Gujarat 12 Kolar Madhya Pradesh 13 Pairy Chhattisgarh 14 Minimata Bango Chhattisgarh 15 Supa Karnataka 16 Malprabha Karnataka 17 Bhadra Karnataka 18 Hemawti Karnataka 19 Haragi Karnataka

20 2010-11 Mylarwaram Andhra Pradesh 21 Chakra Karnataka

22 Kinarsani Andhra Pradesh 23 Kodasali Karnataka

24 Nugu Karnataka Central Water 25 Amarawathy Tamilnadu Commission, New Delhi (Total- 20 26 Maniyari Chhattisgarh Projects) 27 Kodar Chhattisgarh 28 Bhawanisagar Tamilnadu

29 Bisaput Rajasthan

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Authorizing Sr. No. Year Name of Reservoir State Agency

30 Jawai Rajasthan 31 Rangawan Madhya Pradesh 32 Baigul Uttarakhand 33 Jamani Uttar Pradesh Central Water Commission, New 34 Hathmati Gujarat Delhi (Total- 20 35 Ghod Maharashtra Projects) 36 Bhama Asakhed Maharashtra 37 Nira Deoghar Maharashtra 38 Manikdoh Maharashtra 39 Temghar Maharashtra Lavasa Corp. Ltd. 40 Dasve Maharashtra (01 Project) 41 2013-14 Mulshi Maharashtra 42 Shirota Maharashtra Tata Power 43 Thokarwadi Maharashtra (Total -05 Projects) 44 Walwan Maharashtra 45 Kundali Maharashtra 46 2014-15 Sirsi Uttar Pradesh 47 Sukhi Gujarat

48 Nandini Jharkhand Central Water 49 Thandava Andhara Pradesh Commission, New Delhi 50 Musi Andhara Pradesh (Total- 08 Projects) 51 Yerrakalva Andhara Pradesh 52 Harabhangi Odisha 53 Krishnagiri Tamilnadu 54 2019-20 Nathsagar Maharashtra Man Madhya Pradesh 55 Kharung Chhattisgarh 56 Central Water 57 Bhandardara Maharashtra Commission, New Delhi 58 Nagawa Uttar Pradesh (Total- 23 Projects) 59 Shahzad Uttar Pradesh 60 Moorumsilli Chhattisgarh

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Authorizing Sr. No. Year Name of Reservoir State Agency

61 Hatnur Maharashtra 62 Maudaha Uttar Pradesh 63 P-Jurala Telangana 64 Nizamsagar Telangana 65 Barna Madhya Pradesh 66 Meja Uttar Pradesh 67 Sipu Gujrat Central Water 68 Kanher Maharashtra Commission, New Delhi 69 Singur Telangana (Total- 23 Projects) 70 Avalanche Tamilnadu 71 Yeleru Andhta Pradesh 72 Karanja Karnataka 73 Benithora Karnataka 74 Manimuthar Tamilnadu 75 Bhatghar Maharashtra 76 Ujjani Maharashtra

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10.0 BASINWISE STORAGE CAPACITY ASSESSMENT OF RESERVOIRS

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10.1 Godavari Basin

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Annexure A Projects Covering Full Live Storage Capacity ( 100 % Live Storage Covered )

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ALANDI RESERVOIR Name of District : Nashik Name of Basin : Godavari Name of River : Alandi Year of impoundment :1982

Year of Survey : 2014 Catchment Area : 74.59 sq km. MDDL : 638.990 m FRL : 650.800 m

Technique of survey : SRS Reservoir Capacity (Mcum) Observed Rate of Siltation Loss in Capacity Percentage Loss Sr. Year of Periods since impounding in capacity since No. Survey (Years) Live Dead Gross Storage (Mcum) impounding Ha.m/100sqkm/ yr mm/yr Storage Storage 1 2 3 4 5 6 7 8 9 10 1 1982 29.53 27.460 2.07 2 2014 32 --- 23.100 --- 4.360 15.89 18.3 1.83

AMALNALLA RESERVOIR Name of District : Chandrapur Name of Basin : Godavari Name of River : Amalnalla Year of impoundment :1985

Year of Survey : 2013 Catchment Area : 84.17 sq km. MDDL : 263.210 m FRL : 274.780 m

Technique of survey : SRS Reservoir Capacity (Mcum) Observed Rate of Siltation Loss in Capacity Percentage Loss Sr. Year of Periods since impounding in capacity since No. Survey (Years) Gross Live Dead (Mcum) impounding Ha.m/100sqkm/ yr mm/yr Storage Storage Storage 1 2 3 4 5 6 7 8 9 10 1 1985 27 24.500 2.5 2 2013 28 --- 22.350 --- 2.150 8.78 9.1 0.91

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ASOLAMENDHA RESERVOIR Name of District : Chandrapur Name of Basin : Godavari Name of River :Pathari Year of impoundment :1918

Year of Survey : 2013 Catchment Area : 245.53 sq km. MDDL : 208.230 m FRL : 213.840 m

Technique of survey : SRS Reservoir Capacity (Mcum) Observed Rate of Siltation Loss in Capacity Percentage Loss Sr. Year of Periods since impounding in capacity since No. Survey (Years) Gross Live Dead (Mcum) impounding Ha.m/100sqkm/ yr mm/yr Storage Storage Storage 1 2 3 4 5 6 7 8 9 10 1 1918 67.02 56.380 10.64 2 2013 95 --- 52.330 --- 4.050 7.18 1.7 0.17

BOR RESERVOIR Name of District :Wardha Name of Basin : Godavari Name of River :Bor Year of impoundment :1966

Year of Survey : 2010 Catchment Area : 380.75 sq km. MDDL :313.330 m FRL : 330.400 m

Technique of survey : SRS Reservoir Capacity (Mcum) Observed Rate of Siltation Loss in Capacity Percentage Loss Sr. Year of Periods since impounding in capacity since No. Survey (Years) Gross Live Dead (Mcum) impounding Ha.m/100sqkm/ yr mm/yr Storage Storage Storage 1 2 3 4 5 6 7 8 9 10 1 1966 138.77 127.420 11.35 2 2010 44 --- 123.212 --- 4.208 3.30 2.5 0.25

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CHARGAON RESERVOIR Name of District : Chandrapur Name of Basin : Godavari Name of River : Chargaon Year of impoundment :1983

Year of Survey : 2013 Catchment Area : 148.30 sq km. MDDL :222.600 m FRL :226.500 m

Technique of survey : SRS Reservoir Capacity (Mcum) Observed Rate of Siltation Loss in Capacity Percentage Loss Sr. Year of Periods since impounding in capacity since No. Survey (Years) Gross Live Dead (Mcum) impounding Ha.m/100sqkm/ yr mm/yr Storage Storage Storage 1 2 3 4 5 6 7 8 9 10 1 1983 21.7 19.866 1.834 2 2013 30 --- 17.340 --- 2.526 12.72 5.7 0.57

DHAM RESERVOIR Name of District : Wardha Name of Basin : Godavari Name of River :Dham Year of impoundment :1986

Year of Survey : 2010 Catchment Area : 371.33 sq km. MDDL : 315.250 m FRL :328.600 m

Technique of survey :SRS Reservoir Capacity (Mcum) Observed Rate of Siltation Loss in Capacity Percentage Loss Sr. Year of Periods since impounding in capacity since No. Survey (Years) Gross Live Dead (Mcum) impounding Ha.m/100sqkm/ yr mm/yr Storage Storage Storage 1 2 3 4 5 6 7 8 9 10 1 1986 72.46 62.510 9.95 2 2010 24 --- 59.485 --- 3.025 4.84 136.7 13.67

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ERAI RESERVOIR Name of District :Chandrapur Name of Basin : Godavari Name of River : Erai Year of impoundment :1985

Year of Survey : 2009 Catchment Area : 550.00 sq km. MDDL :200.500 m FRL :207.000 m

Technique of survey :Hybrid& DGPS Bathymetric Reservoir Capacity (Mcum) Observed Rate of Siltation Loss in Capacity Percentage Loss Sr. Year of Periods since impounding in capacity since No. Survey (Years) Gross Live Dead (Mcum) impounding Ha.m/100sqkm/ yr mm/yr Storage Storage Storage 1 2 3 4 5 6 7 8 9 10 1 1985 226.5 193.000 33.500 2 2009 24 --- 142.092 --- 50.908 26.38 38.57 3.857

GIRJA RESERVOIR Name of District :Aurangabad Name of Basin : Godavari Name of River : Girja Year of impoundment :1987

Year of Survey : 2019 Catchment Area : 180.74 sq km. MDDL :655.810 m FRL :660.710 m

Technique of survey :DGPS&GIS Reservoir Capacity (Mcum) Observed Rate of Siltation Loss in Capacity Percentage Loss Sr. Year of Periods since impounding in capacity since No. Survey (Years) Gross Live Dead (Mcum) impounding Ha.m/100sqkm/ yr mm/yr Storage Storage Storage 1 2 3 4 5 6 7 8 9 10 1 1987 24.5022 19.5599 4.9423 2 2019 32 --- 16.6793 --- 2.8806 14.727 4.98 0.498

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ITIADOH RESERVOIR Name of District : Gondia Name of Basin : Godavari Name of River : Gadhavi Year of impoundment :1970

Year of Survey : 2006 Catchment Area : 704.00 sq km. MDDL :246.890 m FRL :255.630 m

Technique of survey : SRS Reservoir Capacity (Mcum) Observed Rate of Siltation Loss in Capacity Percentage Loss Sr. Year of Periods since impounding in capacity since No. Survey (Years) Gross Live Dead (Mcum) impounding Ha.m/100sqkm/ yr mm/yr Storage Storage Storage 1 2 3 4 5 6 7 8 9 10 1 1970 382.560 318.820 63.740 2 2006 36 --- 329.268 ------

JAM RESERVOIR Name of District : Nagpur Name of Basin : Godavari Name of River : Jam Year of impoundment :1996

Year of Survey : 2010 Catchment Area : 171.00 sq km. MDDL :429.000 m FRL :435.700 m

Technique of survey : SRS Reservoir Capacity (Mcum) Observed Rate of Siltation Loss in Capacity Percentage Loss Sr. Year of Periods since impounding in capacity since No. Survey (Years) Gross Live Dead (Mcum) impounding Ha.m/100sqkm/ yr mm/yr Storage Storage Storage 1 2 3 4 5 6 7 8 9 10 1 1996 28.960 24.300 4.660 2 2010 14 --- 22.960 --- 1.340 5.51 5.60 0.560

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JAYAKWADI RESERVOIR Name of District : Aurangabad Name of Basin : Godavari Name of River : Godavari Year of impoundment :1976

Year of Survey : 2012 Catchment Area : 21750.00 sq km. MDDL :455.524 m FRL :463.906 m

Technique of survey : SRS Reservoir Capacity (Mcum) Observed Rate of Siltation Loss in Capacity Percentage Loss Sr. Year of Periods since impounding in capacity since No. Survey (Years) Gross Live Dead (Mcum) impounding Ha.m/100sqkm/ yr mm/yr Storage Storage Storage 1 2 3 4 5 6 7 8 9 10 1 1976 2909.00 2170.920 738.080 2 2012 36 --- 1991.987 --- 178.933 8.24 2.29 0.229

KADWA RESERVOIR Name of District : Nashik Name of Basin : Godavari Name of River : Kadwa Year of impoundment :1992

Year of Survey : 2016 Catchment Area : 173.23 sq km. MDDL :575.00 m FRL :589.00 m

Technique of survey : SRS Reservoir Capacity (Mcum) Observed Rate of Siltation Loss in Capacity Percentage Loss Sr. Year of Periods since impounding in capacity since No. Survey (Years) Gross Live Dead (Mcum) impounding Ha.m/100sqkm/ yr mm/yr Storage Storage Storage 1 2 3 4 5 6 7 8 9 10 1 1992 59.600 52.920 6.680 2 2016 24 --- 50.589 --- 2.331 4.40 5.61 0.561

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KANHOLIBARA RESERVOIR Name of District : Nagpur Name of Basin : Godavari Name of River : Krishna Year of impoundment :1974

Year of Survey : 2010 Catchment Area :65.30 sq km. MDDL :301.600 m FRL :312.200 m

Technique of survey : SRS Reservoir Capacity (Mcum) Observed Rate of Siltation Loss in Capacity Percentage Loss Sr. Year of Periods since impounding in capacity since No. Survey (Years) Gross Live Dead (Mcum) impounding Ha.m/100sqkm/ yr mm/yr Storage Storage Storage 1 2 3 4 5 6 7 8 9 10 1 1974 22.213 20.485 1.728 2 2010 36 --- 20.437 --- 0.048 0.23 0.20 0.020

KAR RESERVOIR Name of District :Wardha Name of Basin : Godavari Name of River : Kar Year of impoundment :2000

Year of Survey : 2010 Catchment Area :176.12 sq km. MDDL :425.000 m FRL :432.650 m

Technique of survey : SRS Reservoir Capacity (Mcum) Observed Rate of Siltation Loss in Capacity Percentage Loss Sr. Year of Periods since impounding in capacity since No. Survey (Years) Gross Live Dead (Mcum) impounding Ha.m/100sqkm/ yr mm/yr Storage Storage Storage 1 2 3 4 5 6 7 8 9 10 1 2000 25.963 21.063 4.900 2 2010 10 --- 18.776 --- 2.287 10.86 12.99 1.299

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KARPARA RESERVOIR Name of District : Parbhani Name of Basin : Godavari Name of River : Karpara Year of impoundment :1974

Year of Survey : 2014 Catchment Area : 270.00 sq km. MDDL :423.660 m FRL :427.800 m

Technique of survey : SRS Reservoir Capacity (Mcum) Observed Rate of Siltation Loss in Capacity Percentage Loss Sr. Year of Periods since impounding in capacity since No. Survey (Years) Gross Live Dead (Mcum) impounding Ha.m/100sqkm/ yr mm/yr Storage Storage Storage 1 2 3 4 5 6 7 8 9 10 1 1974 28.820 24.900 3.920 2 2014 40 --- 16.710 --- 8.190 32.89 7.58 0.758

KASHYAPI RESERVOIR Name of District : Nashik Name of Basin : Godavari Name of River : Kashyapi Year of impoundment :1998

Year of Survey : 2013 Catchment Area : 46.100 sq km. MDDL :630.00 m FRL :661.880 m

Technique of survey : SRS Reservoir Capacity (Mcum) Observed Rate of Siltation Loss in Capacity Percentage Loss Sr. Year of Periods since impounding in capacity since No. Survey (Years) Gross Live Dead (Mcum) impounding Ha.m/100sqkm/ yr mm/yr Storage Storage Storage 1 2 3 4 5 6 7 8 9 10 1 1998 52.690 52.430 0.260 2 2013 15 --- 59.060 ------

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KHEKRANALLA RESERVOIR Name of District : Nagpur Name of Basin : Godavari Name of River : Khekranalla Year of impoundment :1985

Year of Survey : 2011 Catchment Area : 49.500 sq km. MDDL :323.500 m FRL :335.500 m

Technique of survey : SRS Reservoir Capacity (Mcum) Observed Rate of Siltation Loss in Capacity Percentage Loss Sr. Year of Periods since impounding in capacity since No. Survey (Years) Gross Live Dead (Mcum) impounding Ha.m/100sqkm/ yr mm/yr Storage Storage Storage 1 2 3 4 5 6 7 8 9 10 1 1985 26.134 23.810 2.324 2 2011 26 --- 21.927 --- 1.883 7.91 14.63 1.463

KHINDSHI (RAMTEK) RESERVOIR Name of District : Nagpur Name of Basin : Godavari Name of River : Khindshi Year of impoundment :1911

Year of Survey : 2015 Catchment Area :213.00 sq km. MDDL :303.760 m FRL :316.875 m

Technique of survey : SRS Reservoir Capacity (Mcum) Observed Rate of Siltation Loss in Capacity Percentage Loss Sr. Year of Periods since impounding in capacity since No. Survey (Years) Gross Live Dead (Mcum) impounding Ha.m/100sqkm/ yr mm/yr Storage Storage Storage 1 2 3 4 5 6 7 8 9 10 1 1911 105.128 104.260 0.868 2 2015 104 --- 115.180 ------

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KOLAR RESERVOIR Name of District : Nagpur Name of Basin : Godavari Name of River : Kolar Year of impoundment :1984

Year of Survey : 2010 Catchment Area : 176.13 sq km. MDDL :351.200 m FRL :364.000 m

Technique of survey : SRS Reservoir Capacity (Mcum) Observed Rate of Siltation Loss in Capacity Percentage Loss Sr. Year of Periods since impounding in capacity since No. Survey (Years) Gross Live Dead (Mcum) impounding Ha.m/100sqkm/ yr mm/yr Storage Storage Storage 1 2 3 4 5 6 7 8 9 10 1 1984 35.380 31.320 4.060 2 2010 26 --- 30.420 --- 0.900 2.87 1.97 0.197

KORADI RESERVOIR Name of District : Buldhana Name of Basin : Godavari Name of River : Koradi Nalla Year of impoundment :1980

Year of Survey : 2016 Catchment Area : 280.70 sq km. MDDL :541.250 m FRL :546.300 m

Technique of survey : SRS Reservoir Capacity (Mcum) Observed Rate of Siltation Loss in Capacity Percentage Loss Sr. Year of Periods since impounding in capacity since No. Survey (Years) Gross Live Dead (Mcum) impounding Ha.m/100sqkm/ yr mm/yr Storage Storage Storage 1 2 3 4 5 6 7 8 9 10 1 1980 28.160 20.700 7.460 2 2016 36 --- 18.910 --- 1.790 8.66 1.77 0.177

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LOWER PUS RESERVOIR Name of District : Yavatmal Name of Basin : Godavari Name of River : Pus Year of impoundment :1985

Year of Survey : 2012 Catchment Area : 686.00 sq km. MDDL :300.00 m FRL :306.00 m

Technique of survey : SRS Reservoir Capacity (Mcum) Observed Rate of Siltation Loss in Capacity Percentage Loss Sr. Year of Periods since impounding in capacity since No. Survey (Years) Gross Live Dead (Mcum) impounding Ha.m/100sqkm/ yr mm/yr Storage Storage Storage 1 2 3 4 5 6 7 8 9 10 1 1985 81.160 59.630 21.530 2 2012 27 --- 56.631 --- 2.999 5.03 1.62 0.162

MAJALGAON RESERVOIR Name of District : Beed Name of Basin : Godavari Name of River : Sindhfana Year of impoundment :1987

Year of Survey : 2010 Catchment Area : 3840.00 sq km. MDDL :426.110 m FRL :431.800 m

Technique of survey : Hybrid Reservoir Capacity (Mcum) Observed Rate of Siltation Loss in Capacity Percentage Loss Sr. Year of Periods since impounding in capacity since No. Survey (Years) Gross Live Dead (Mcum) impounding Ha.m/100sqkm/ yr mm/yr Storage Storage Storage 1 2 3 4 5 6 7 8 9 10 1 1987 454.000 312.000 142.000 2 2010 23 --- 292.761 --- 19.239 6.17 2.18 0.218

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MANAR RESERVOIR Name of District : Nanded Name of Basin : Godavari Name of River : Manyad Year of impoundment :1969

Year of Survey : 2014 Catchment Area : 1585.08 sq km. MDDL :386.47 m FRL :393.89 m

Technique of survey : SRS Reservoir Capacity (Mcum) Observed Rate of Siltation Loss in Capacity Percentage Loss Sr. Year of Periods since impounding in capacity since No. Survey (Years) Gross Live Dead (Mcum) impounding Ha.m/100sqkm/ yr mm/yr Storage Storage Storage 1 2 3 4 5 6 7 8 9 10 1 1969 138.211 123.299 14.912 2 2014 45 --- 112.448 --- 10.851 8.79 1.52 0.152

MASOLI RESERVOIR Name of District : Parbhani Name of Basin : Godavari Name of River : Masoli Year of impoundment :1982

Year of Survey : 2014 Catchment Area : 281.00 sq km. MDDL :408.150 m FRL :416.300 m

Technique of survey : SRS Reservoir Capacity (Mcum) Observed Rate of Siltation Loss in Capacity Percentage Loss Sr. Year of Periods since impounding in capacity since No. Survey (Years) Gross Live Dead (Mcum) impounding Ha.m/100sqkm/ yr mm/yr Storage Storage Storage 1 2 3 4 5 6 7 8 9 10 1 1982 34.080 27.140 6.940 2 2014 32 --- 21.440 --- 5.700 21.02 6.34 0.634

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NAGYASAKYA RESERVOIR Name of District : Nashik Name of Basin : Godavari Name of River :Panzan Year of impoundment :1982

Year of Survey : 2016 Catchment Area : 451.28 sq km. MDDL :479.060 m FRL :484.500 m

Technique of survey : SRS Reservoir Capacity (Mcum) Observed Rate of Siltation Loss in Capacity Percentage Loss Sr. Year of Periods since impounding in capacity since No. Survey (Years) Gross Live Dead (Mcum) impounding Ha.m/100sqkm/ yr mm/yr Storage Storage Storage 1 2 3 4 5 6 7 8 9 10 1 1982 15.620 11.240 4.380 2 2016 35 --- 9.930 --- 1.310 11.65 0.83 0.083

NAND (LOWER WUNNA) RESERVOIR Name of District : Nagpur Name of Basin : Godavari Name of River :Nand Year of impoundment :1989

Year of Survey : 2014 Catchment Area : 397.60 sq km. MDDL :242.50 m FRL :247.00 m

Technique of survey : SRS Reservoir Capacity (Mcum) Observed Rate of Siltation Loss in Capacity Percentage Loss Sr. Year of Periods since impounding in capacity since No. Survey (Years) Gross Live Dead (Mcum) impounding Ha.m/100sqkm/ yr mm/yr Storage Storage Storage 1 2 3 4 5 6 7 8 9 10 1 1989 62.182 53.182 9.000 2 2014 26 --- 47.470 --- 5.720 10.76 5.53 0.553

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OZARKHED RESERVOIR Name of District : Nashik Name of Basin : Godavari Name of River :Unanda Year of impoundment :1984

Year of Survey : 2014 Catchment Area : 182.00 sq km. MDDL :634.290 m FRL :648.300 m

Technique of survey : SRS Reservoir Capacity (Mcum) Observed Rate of Siltation Loss in Capacity Percentage Loss Sr. Year of Periods since impounding in capacity since No. Survey (Years) Gross Live Dead (Mcum) impounding Ha.m/100sqkm/ yr mm/yr Storage Storage Storage 1 2 3 4 5 6 7 8 9 10 1 1984 67.93 60.320 7.610 2 2014 30 --- 56.690 --- 3.630 6.02 6.65 0.665

PALKHED RESERVOIR Name of District : Nashik Name of Basin : Godavari Name of River :Kadwa Year of impoundment :1976

Year of Survey : 2014 Catchment Area : 257.00 sq km. MDDL :589.780 m FRL :595.880 m

Technique of survey : SRS Reservoir Capacity (Mcum) Observed Rate of Siltation Loss in Capacity Percentage Loss Sr. Year of Periods since impounding in capacity since No. Survey (Years) Gross Live Dead (Mcum) impounding Ha.m/100sqkm/ yr mm/yr Storage Storage Storage 1 2 3 4 5 6 7 8 9 10 1 1976 23.02 21.230 1.780 2 2014 38 --- 17.635 --- 3.595 16.93 3.68 0.368

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PENCH (KAMATHI KHAIRI) RESERVOIR Name of District : Nagpur Name of Basin : Godavari Name of River :Pench Year of impoundment :1976

Year of Survey : 2010 Catchment Area : 4661.00 sq km. MDDL :314.000 m FRL :325.000 m

Technique of survey :SRS Reservoir Capacity (Mcum) Observed Rate of Siltation Loss in Capacity Percentage Loss Sr. Year of Periods since impounding in capacity since No. Survey (Years) Gross Live Dead (Mcum) impounding Ha.m/100sqkm/ yr mm/yr Storage Storage Storage 1 2 3 4 5 6 7 8 9 10 1 1976 230 181.060 50.000 2 2010 34 --- 141.740 --- 39.320 21.72 2.48 0.248

POTHRA RESERVOIR Name of District : Wardha Name of Basin : Godavari Name of River :Pothra Year of impoundment :1983

Year of Survey : 2013 Catchment Area : 207.61 sq km. MDDL :224.600 m FRL :229.400 m

Technique of survey : SRS Reservoir Capacity (Mcum) Observed Rate of Siltation Loss in Capacity Percentage Loss Sr. Year of Periods since impounding in capacity since No. Survey (Years) Gross Live Dead (Mcum) impounding Ha.m/100sqkm/ yr mm/yr Storage Storage Storage 1 2 3 4 5 6 7 8 9 10 1 1983 38.429 34.727 3.702 2 2013 30 --- 26.160 --- 8.567 24.67 13.75 1.375

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RENAPUR RESERVOIR Name of District :Latur Name of Basin :Godavari Name of River :Rena Year of impoundment :2000

Year of Survey : 2014 Catchment Area : 272.00 sq km. MDDL :605.400 m FRL :608.500 m

Technique of survey : SRS Reservoir Capacity (Mcum) Observed Rate of Siltation Loss in Capacity Percentage Loss Sr. Year of Periods since impounding in capacity since No. Survey (Years) Gross Live Dead (Mcum) impounding Ha.m/100sqkm/ yr mm/yr Storage Storage Storage 1 2 3 4 5 6 7 8 9 10 1 2000 21.685 16.401 5.284 2 2014 14 --- 14.470 --- 1.940 11.80 5.09 0.509

TAWARJA RESERVOIR Name of District :Latur Name of Basin :Godavari Name of River :Tawarja Year of impoundment :1983

Year of Survey : 2017 Catchment Area :248.60 sq km. MDDL :607.900 m FRL :612.750 m

Technique of survey : SRS Reservoir Capacity (Mcum) Observed Rate of Siltation Loss in Capacity Percentage Loss Sr. Year of Periods since impounding in capacity since No. Survey (Years) Gross Live Dead (Mcum) impounding Ha.m/100sqkm/ yr mm/yr Storage Storage Storage 1 2 3 4 5 6 7 8 9 10 1 1983 27.763 23.080 4.683 2 2017 34 --- 18.667 --- 4.413 19.12 0.82 0.082

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TEMBHAPURI RESERVOIR Name of District :Aurangabad Name of Basin :Godavari Name of River :Nagzari Year of impoundment :2006

Year of Survey : 2018 Catchment Area :283.860 sq km. MDDL :489.400 m FRL :495.00 m

Technique of survey : DGPS Reservoir Capacity (Mcum) Observed Rate of Siltation Loss in Capacity Percentage Loss Sr. Year of Periods since impounding in capacity since No. Survey (Years) Gross Live Dead (Mcum) impounding Ha.m/100sqkm/ yr mm/yr Storage Storage Storage 1 2 3 4 5 6 7 8 9 10 1 2006 21.260 19.620 1.640 2 2018 12 --- 20.090 ------

TERNA RESERVOIR (AS PER ORIGINAL SURVEY) Name of District : Osmanabad Name of Basin : Godavari Name of River : Terna Year of impoundment :1967

Year of Survey : 2011 Catchment Area : 417.760 sq km. MDDL :639.780 m FRL :644.200 m

Technique of survey : SRS Reservoir Capacity (Mcum) Observed Rate of Siltation Loss in Capacity Percentage Loss Sr. Year of Periods since impounding in capacity since No. Survey (Years) Gross Live Dead (Mcum) impounding Ha.m/100sqkm/ yr mm/yr Storage Storage Storage 1 2 3 4 5 6 7 8 9 10 1 1967 23.372 2 2011 44 --- 16.410 --- 6.920 29.79 37.9 3.79

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TOTLADOH RESERVOIR Name of District : Nagpur Name of Basin : Godavari Name of River : Pench Year of impoundment :1986

Year of Survey : 2010 Catchment Area : 4273.00 sq km. MDDL :464.000 m FRL :490.000 m

Technique of survey : SRS Reservoir Capacity (Mcum) Observed Rate of Siltation Loss in Capacity Percentage Loss Sr. Year of Periods since impounding in capacity since No. Survey (Years) Gross Live Dead (Mcum) impounding Ha.m/100sqkm/ yr mm/yr Storage Storage Storage 1 2 3 4 5 6 7 8 9 10 1 1986 1241.000 1091.000 150.000 2 2010 24 --- 1016.930 --- 74.070 6.79 7.22 0.722

UPPER PUS RESERVOIR Name of District :Yavatmal Name of Basin :Godavari Name of River :Pus Year of impoundment :1970

Year of Survey : 2012 Catchment Area :596.00 sq km. MDDL :384.150 m FRL :398.780 m

Technique of survey : SRS Reservoir Capacity (Mcum) Observed Rate of Siltation Loss in Capacity Percentage Loss Sr. Year of Periods since impounding in capacity since No. Survey (Years) Gross Live Dead (Mcum) impounding Ha.m/100sqkm/ yr mm/yr Storage Storage Storage 1 2 3 4 5 6 7 8 9 10 1 1970 113.919 91.269 22.650 2 2012 42 --- 80.955 --- 10.314 11.30 4.12 0.412

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YELDARI RESERVOIR Name of District :Parbhani Name of Basin :Godavari Name of River :Purna Year of impoundment :1968

Year of Survey : 2011 Catchment Area :7329.700 sq km. MDDL :447.750 m FRL :461.772 m

Technique of survey : SRS&DGPS Reservoir Capacity (Mcum) Observed Rate of Siltation Loss in Capacity Percentage Loss Sr. Year of Periods since impounding in capacity since No. Survey (Years) Gross Live Dead (Mcum) impounding Ha.m/100sqkm/ yr mm/yr Storage Storage Storage 1 2 3 4 5 6 7 8 9 10 1 1968 934.440 809.770 124.670 2 2011 43 --- 743.760 --- 66.010 8.15 2.09 0.209

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Table 4 : Hydrological Features for Godavari Basin (Capacity Covered 100%)

Project Name Project Name Features Minimum Maximum

Catchment Area (sq km) Kashyapi 46.100 Jayakwadi 21750.00

Estimated silt Rate Kanholibara 0.2 Dham 136.70 (Ham/100 sq km/Yrs)

Period between two survey ( years ) Kar 10 Khindshi (Ramtek) 104

Design Gross storage (Mm3) Nagyasakya 15.620 Jayakwadi 2909.00

Estimated Live storage Loss (Mm3) Kanholibara 0.048 Jayakwadi 178.933

Percentage lost in Live Storage (%) Kanholibara 0.23 Karpara 32.89

Observed Rate of Siltation (mm/yr) Kanholibara 0.02 Dham 13.67

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Annexure B Projects Covering Partial Live Storage Capacity ( Study Less Than 100 % Live Storage )

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ADAN RESERVOIR Name of District :Washim Name of Basin : Godavari Name of River :Adan Year of impoundment : 1976

Year of Survey : 2012 Catchment Area : 798.000 sq km. MDDL : 372.500 m FRL : 382.500 m

Technique of survey : SRS Live storage covered = 52.122 Mm3 (77.50 %) Observed Rate of Reservoir Capacity (Mcum) As per Studied storage ( Mcum ) Loss in Siltation Capacity Percentage Sr. Year of Periods Revised Live Design Live since Loss in No. Survey ( Years ) Gross Live Dead storage Ha.m/100sq storage Under Impounding capacity mm/yr Storage Storage Storage capacity as per km/ yr Study (Mcum) survey 1 2 3 4 5 6 7 8 9 10 11 12 1 1976 78.322 67.252 11.070 0.000 0.000 2 2012 36 ------52.122 43.090 9.031 17.33 3.14 0.314

ADHALA RESERVOIR Name of District : Ahmednagar Name of Basin :Godavari Name of River :Adhala Year of impoundment : 1976

Year of Survey : 2013 Catchment Area : 177.800 sq km. MDDL : 656.000 m FRL :679.100 m

Technique of survey : SRS Live storage covered = 26.160 Mm3 (94.74 %) Observed Rate of Reservoir Capacity (Mcum) As per Studied storage ( Mcum ) Loss in Siltation Capacity Percentage Sr. Year of Periods Revised Live Design Live since Loss in No. Survey ( Years ) Gross Live Dead storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as per km/ yr Study (Mcum) survey 1 2 3 4 5 6 7 8 9 10 11 12 1 1976 30.010 27.610 2.420 0.000 0.000 2 2013 37 ------26.160 20.510 5.650 21.6 8.59 0.859

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ADOL RESERVOIR Name of District :Washim Name of Basin : Godavari Name of River :Adolnala Year of impoundment : 1989

Year of Survey : 2015 Catchment Area :116.550 sq km. MDDL :506.350 m FRL : 512.200 m

Technique of survey : SRS Live storage covered = 11.980 Mm3 (92.94%) Observed Rate of Reservoir Capacity (Mcum) As per Studied storage ( Mcum ) Loss in Siltation Capacity Percentage Sr. Year of Periods Revised Live Design Live since Loss in No. Survey ( Years ) Gross Live Dead storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as per km/ yr Study (Mcum) survey 1 2 3 4 5 6 7 8 9 10 11 12 1 1989 15.010 12.890 2.120 0.000 0.000 2 2015 26 ------11.980 8.370 3.610 30.13 11.91 1.191

ARUNAVATI RESERVOIR Name of District:Yavatmal Name of Basin : Godavari Name of River :Arunavati Year of impoundment : 1994

Year of Survey : 2012 Catchment Area : 894.000 sq km. MDDL : 322.500 m FRL : 330.850 m

Technique of survey : SRS Live storage covered = 137.608 Mm3 (81.10%) Observed Rate of Reservoir Capacity (Mcum) As per Studied storage ( Mcum ) Loss in Siltation Capacity Percentage Sr. Year of Periods Revised Live Design Live since Loss in No. Survey ( Years ) Gross Live Dead storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as per km/ yr Study (Mcum) survey 1 2 3 4 5 6 7 8 9 10 11 12 1 1994 198.765 169.670 29.095 0.000 0.000 2 2012 18 ------137.608 136.990 0.619 0.45 0.38 0.038

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BHANDARDARA RESERVOIR Name of District: Ahmednagar Name of Basin : Godavari Name of River :Pravara Year of impoundment : 1926

Year of Survey : 2015 Catchment Area :121.730 sq km. MDDL :698.070 m FRL : 744.725 m

Technique of survey : SRS Live storage covered = 273.460 Mm3 (89.92%) Observed Rate of Reservoir Capacity (Mcum) As per Studied storage ( Mcum ) Loss in Siltation Capacity Percentage Sr. Year of Periods Revised Live Design Live since Loss in No. Survey ( Years ) Gross Live Dead storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as per km/ yr Study (Mcum) survey 1 2 3 4 5 6 7 8 9 10 11 12 1 1926 312.595 304.100 8.495 0.000 0.000 2 2015 90 ------273.460 276.663 ------

BHOJAPUR RESERVOIR Name of District :Nashik Name of Basin : Godavari Name of River :Mhahungi Year of impoundment : 1972

Year of Survey : 2017 Catchment Area :154.000 sq km. MDDL :675.150 m FRL : 685.000 m

Technique of survey : DGPS Live storage covered = 10.220 Mm3 (91.09%) Observed Rate of Reservoir Capacity (Mcum) As per Studied storage ( Mcum ) Loss in Siltation Capacity Percentage Sr. Year of Periods Revised Live Design Live since Loss in No. Survey ( Years ) Gross Live Dead storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as per km/ yr Study (Mcum) survey 1 2 3 4 5 6 7 8 9 10 11 12 1 1972 14.260 11.220 3.040 0.000 0.000 2 2017 45 ------10.220 9.860 0.360 3.52 0.52 0.052

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BODHALKASA RESERVOIR Name of District :Gondia Name of Basin : Godavari Name of River: Baghdev Ghoti Year of impoundment : 1917

Year of Survey : 2015 Catchment Area : 60.860 sq km. MDDL : 298.930 m FRL : 305.260 m

Technique of survey : SRS Live storage covered = 12.040 Mm3 (73.17%) Observed Rate of Reservoir Capacity (Mcum) As per Studied storage ( Mcum ) Loss in Siltation Capacity Percentage Sr. Year of Periods Revised Live Design Live since Loss in No. Survey ( Years ) Gross Live Dead storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as per km/ yr Study (Mcum) survey 1 2 3 4 5 6 7 8 9 10 11 12 1 1917 17.392 16.454 0.938 0.000 0.000 2 2015 98 ------12.040 10.990 1.050 8.72 1.76 0.176

CHANAKAPUR RESERVOIR Name of District : Nashik Name of Basin :Godavari Name of River :Girana Year of impoundment : 1973

Year of Survey : 2014 Catchment Area :269.000 sq km. MDDL : 658.100 m FRL : 672.900 m

Technique of survey : SRS Live storage covered = 65.960 Mm3 (85.83%) Observed Rate of Reservoir Capacity (Mcum) As per Studied storage ( Mcum ) Loss in Siltation Capacity Percentage Sr. Year of Periods Revised Live Design Live since Loss in No. Survey ( Years ) Gross Live Dead storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as per km/ yr Study (Mcum) survey 1 2 3 4 5 6 7 8 9 10 11 12 1 1973 79.960 76.850 3.110 0.000 0.000 2 2014 41 ------65.960 60.638 5.322 8.07 14.69 1.46

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CHORKHAMARA RESERVOIR Name of District :Gondia Name of Basin : Godavari Name of River :Sarandi Nala Year of impoundment : 1923

Year of Survey : 2015 Catchment Area : 75.107 sq km. MDDL : 292.710 m FRL : 302.250 m

Technique of survey : SRS Live storage covered = 12.127 Mm3 (58.30%) Observed Rate of Reservoir Capacity (Mcum) As per Studied storage ( Mcum ) Loss in Siltation Capacity Percentage Sr. Year of Periods Revised Live Design Live since Loss in No. Survey ( Years ) Gross Live Dead storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as per km/ yr Study (Mcum) survey 1 2 3 4 5 6 7 8 9 10 11 12 1 1923 21.052 20.800 0.252 0.000 0.000 2 2015 92 ------12.127 11.490 0.637 5.25 0.92 0.092

CHULABAND RESERVOIR Name of District :Gondia Name of Basin : Godavari Name of River :Chulaband Year of impoundment : 1974

Year of Survey : 2012 Catchment Area :55.940 sq km. MDDL : 294.510 m FRL : 304.200 m

Technique of survey : SRS Live storage covered = 15.051 Mm3 (70.14 %) Observed Rate of Reservoir Capacity (Mcum) As per Studied storage ( Mcum ) Loss in Siltation Capacity Percentage Sr. Year of Periods Revised Live Design Live since Loss in No. Survey ( Years ) Gross Live Dead storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as per km/ yr Study (Mcum) survey 1 2 3 4 5 6 7 8 9 10 11 12 1 1974 24.018 21.458 2.560 0.000 0.000 2 2012 38 ------15.051 12.641 2.409 16.01 11.33 1.133

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DARNA RESERVOIR Name of District:Nashik Name of Basin : Godavari Name of River :Darna Year of impoundment : 1916

Year of Survey : 2015 Catchment Area :404.000 sq km. MDDL :554.120 m FRL : 571.500 m

Technique of survey : SRS Live storage covered = 202.684 Mm3 (92.20%) Observed Rate of Reservoir Capacity (Mcum) As per Studied storage ( Mcum ) Loss in Siltation Capacity Percentage Sr. Year of Periods Revised Live Design Live since Loss in No. Survey ( Years ) Gross Live Dead storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as per km/ yr Study (Mcum) survey 1 2 3 4 5 6 7 8 9 10 11 12 1 1916 226.960 219.910 7.050 0.000 0.000 2 2015 99 ------202.684 188.659 14.025 6.92 3.51 0.351

DINA RESERVOIR Name of District : Gadchiroli Name of Basin : Godavari Name of River :Dina Year of impoundment : 1974

Year of Survey : 2014 Catchment Area : 193.59 sq km. MDDL : 222.500 m FRL : 230.570 m

Technique of survey : SRS Live storage covered = 43.830 Mm3 (64.89%) Observed Rate of Reservoir Capacity (Mcum) As per Studied storage ( Mcum ) Loss in Siltation Capacity Percentage Sr. Year of Periods Revised Live Design Live since Loss in No. Survey ( Years ) Gross Live Dead storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as per km/ yr Study (Mcum) survey 1 2 3 4 5 6 7 8 9 10 11 12 1 1974 72.750 67.540 5.210 0.000 0.000 2 2014 40 ------43.830 29.350 14.480 33.04 18.7 1.87

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EKBURJI RESERVOIR Name of District :Washim Name of Basin : Godavari Name of River :Chandrabhaga Year of impoundment : 1964

Year of Survey : 2016 Catchment Area :75.160 sq km. MDDL : 143.260 m FRL : 151.980 m

Technique of survey : SRS Live storage covered = 11.830 Mm3 (98.83%) Observed Rate of Reservoir Capacity (Mcum) As per Studied storage ( Mcum ) Loss in Siltation Capacity Percentage Sr. Year of Periods Revised Live Design Live since Loss in No. Survey ( Years ) Gross Live Dead storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as per km/ yr Study (Mcum) survey 1 2 3 4 5 6 7 8 9 10 11 12 1 1964 14.120 11.970 2.150 0.000 0.000 2 2016 53 ------11.830 9.440 2.390 20.20 6.00 0.600

GANGAPUR RESERVOIR Name of District :Nashik Name of Basin : Godavari Name of River :Godavari Year of impoundment : 1957

Year of Survey : 2016 Catchment Area :357.400 sq km. MDDL : 591.200 m FRL : 612.350 m

Technique of survey : SRS Live storage covered = 132.362 Mm3 (83.03%) Observed Rate of Reservoir Capacity (Mcum) As per Studied storage ( Mcum ) Loss in Siltation Capacity Percentage Sr. Year of Periods Revised Live Design Live since Loss in No. Survey ( Years ) Gross Live Dead storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as per km/ yr Study (Mcum) survey 1 2 3 4 5 6 7 8 9 10 11 12 1 1957 160.100 159.420 0.680 0.000 0.000 2 2016 59 ------132.362 137.614 ------

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GAUTAMI RESERVOIR Name of District :Nashik Name of Basin : Godavari Name of River :Godavari Year of impoundment : 2006

Year of Survey : 2014 Catchment Area :41.180 sq km. MDDL : 651.210 m FRL : 695.850 m

Technique of survey : SRS Live storage covered = 51.360 Mm3 (97.09%) Observed Rate of Reservoir Capacity (Mcum) As per Studied storage ( Mcum ) Loss in Siltation Capacity Percentage Sr. Year of Periods Revised Live Design Live since Loss in No. Survey ( Years ) Gross Live Dead storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as per km/ yr Study (Mcum) survey 1 2 3 4 5 6 7 8 9 10 11 12 1 2006 53.218 52.900 0.318 0.000 0.000 2 2014 8 ------51.360 44.590 6.770 13.18 205.50 20.550

GHORAZARI RESERVOIR Name of District :Chandrapur Name of Basin : Godavari Name of River :Bokardoh Nalla Year of impoundment : 1923

Year of Survey : 2015 Catchment Area :90.65 sq km. MDDL : 242.890 m FRL : 249.340 m

Technique of survey : SRS Live storage covered = 28.360 Mm3 (65.71%) Observed Rate of Reservoir Capacity (Mcum) As per Studied storage ( Mcum ) Loss in Siltation Capacity Percentage Sr. Year of Periods Revised Live Design Live since Loss in No. Survey ( Years ) Gross Live Dead storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as per km/ yr Study (Mcum) survey 1 2 3 4 5 6 7 8 9 10 11 12 1 1923 50.240 43.160 7.080 0.000 0.000 2 2015 92 ------28.357 23.961 4.396 15.50 5.27 0.527

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GOKI RESERVOIR Name of District :Yavatmal Name of Basin : Godavari Name of River :Goki Year of impoundment : 1980

Year of Survey : 2012 Catchment Area :291.400 sq km. MDDL : 308.500 m FRL : 315.700 m

Technique of survey : SRS Live storage covered = 41.874 Mm3 (98.04 %) Observed Rate of Reservoir Capacity (Mcum) As per Studied storage ( Mcum ) Loss in Siltation Capacity Percentage Sr. Year of Periods Revised Live Design Live since Loss in No. Survey ( Years ) Gross Live Dead storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as per km/ yr Study (Mcum) survey 1 2 3 4 5 6 7 8 9 10 11 12 1 1980 50.222 42.710 7.512 0.000 0.000 2 2012 32 ------41.874 36.033 5.841 13.95 6.26 0.626

KALISARAR RESERVOIR Name of District :Gondia Name of Basin : Godavari Name of River :Kalisarar Nalla Year of impoundment : 1988

Year of Survey : 2012 Catchment Area :131.000 sq km. MDDL : 335.900 m FRL : 345.200 m

Technique of survey : SRS Live storage covered = 21.275 Mm3 (76.66%) Observed Rate of Reservoir Capacity (Mcum) As per Studied storage ( Mcum ) Loss in Siltation Capacity Percentage Sr. Year of Periods Revised Live Design Live since Loss in No. Survey ( Years ) Gross Live Dead storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as per km/ yr Study (Mcum) survey 1 2 3 4 5 6 7 8 9 10 11 12 1 1988 30.460 27.750 2.710 0.000 0.000 2 2012 24 ------21.275 20.118 1.157 5.44 3.68 0.368

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KARANJWAN RESERVOIR Name of District :Nashik Name of Basin : Godavari Name of River :Kadwa Year of impoundment : 1974

Year of Survey : 2015 Catchment Area :248.000 sq km. MDDL :632.470 m FRL : 651.660 m

Technique of survey : SRS Live storage covered = 144.010 Mm3 (94.69%) Observed Rate of Reservoir Capacity (Mcum) As per Studied storage ( Mcum ) Loss in Siltation Capacity Percentage Sr. Year of Periods Revised Live Design Live since Loss in No. Survey ( Years ) Gross Live Dead storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as per km/ yr Study (Mcum) survey 1 2 3 4 5 6 7 8 9 10 11 12 1 1974 161.440 152.090 9.340 0.000 0.000 2 2015 41 ------144.010 143.925 0.085 0.06 0.08 0.008

KUNDALIKA RESERVOIR Name of District :Beed Name of Basin : Godavari Name of River :Kundalika Year of impoundment : 1987

Year of Survey : 2015 Catchment Area :509.712 sq km. MDDL : 484.200 m FRL : 492.000 m

Technique of survey : SRS Live storage covered = 28.070 Mm3 (74.48% ) Observed Rate of Reservoir Capacity (Mcum) As per Studied storage ( Mcum ) Loss in Siltation Capacity Percentage Sr. Year of Periods Revised Live Design Live since Loss in No. Survey ( Years ) Gross Live Dead storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as per km/ yr Study (Mcum) survey 1 2 3 4 5 6 7 8 9 10 11 12 1 1987 46.340 37.690 8.650 0.000 0.000 2 2015 28 ------28.070 20.260 7.810 27.82 5.47 0.547

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KURNUR RESERVOIR Name of District :Osmanabad Name of Basin : Godavari Name of River :Bori Year of impoundment : 1968

Year of Survey : 2017 Catchment Area :322.560 sq km. MDDL : 562.650 m FRL : 571.650 m

Technique of survey : SRS Live storage covered = 30.830 Mm3 (95.51% ) Observed Rate of Reservoir Capacity (Mcum) As per Studied storage ( Mcum ) Loss in Siltation Capacity Percentage Sr. Year of Periods Revised Live Design Live since Loss in No. Survey ( Years ) Gross Live Dead storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as per km/ yr Study (Mcum) survey 1 2 3 4 5 6 7 8 9 10 11 12 1 1968 35.260 32.280 2.980 0.000 0.000 2 2017 49 ------30.830 30.680 0.150 0.49 0.09 0.009

LALNALLA RESERVOIR Name of District :Wardha Name of Basin : Godavari Name of River :Lal Nalla Year of impoundment : 2006

Year of Survey : 2013 Catchment Area :104.740 sq km. MDDL : 229.100 m FRL : 234.150 m

Technique of survey : SRS Live storage covered = 19.770 Mm3 (71.59% ) Observed Rate of Reservoir Capacity (Mcum) As per Studied storage ( Mcum ) Loss in Siltation Capacity Percentage Sr. Year of Periods Revised Live Design Live since Loss in No. Survey ( Years ) Gross Live Dead storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as per km/ yr Study (Mcum) survey 1 2 3 4 5 6 7 8 9 10 11 12 1 2006 29.515 27.613 1.902 0.000 0.000 2 2013 7 ------19.770 19.700 0.070 0.35 0.955 0.0955

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MAKARDHOKRA RESERVOIR Name of District :Nagpur Name of Basin : Godavari Name of River :Aam Year of impoundment : 1978

Year of Survey : 2013 Catchment Area :65.800 sq km. MDDL : 291.500 m FRL :298.100 m

Technique of survey : SRS Live storage covered = 16.920 Mm3 (89.43% ) Observed Rate of Reservoir Capacity (Mcum) As per Studied storage ( Mcum ) Loss in Siltation Capacity Percentage Sr. Year of Periods Revised Live Design Live since Loss in No. Survey ( Years ) Gross Live Dead storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as per km/ yr Study (Mcum) survey 1 2 3 4 5 6 7 8 9 10 11 12 1 1978 21.350 18.920 2.430 0.000 0.000 2 2013 35 ------16.920 15.950 0.970 5.73 4.21 0.421

MAND OHOL RESERVOIR Name of District :Ahmednagar Name of Basin : Godavari Name of River :Mandohol Year of impoundment : 1981

Year of Survey : 2015 Catchment Area :142.450 sq km. MDDL : 709.420 m FRL : 717.500 m

Technique of survey : SRS Live storage covered = 8.750Mm3 (99.65%) Observed Rate of Reservoir Capacity (Mcum) As per Studied storage ( Mcum ) Loss in Siltation Capacity Percentage Sr. Year of Periods Revised Live Design Live since Loss in No. Survey ( Years ) Gross Live Dead storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as per km/ yr Study (Mcum) survey 1 2 3 4 5 6 7 8 9 10 11 12 1 1981 11.300 8.780 2.520 0.000 0.000 2 2015 34 ------8.750 5.300 3.450 39.43 7.12 0.712

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MUKANE RESERVOIR Name of District :Nashik Name of Basin : Godavari Name of River :Aundha Nala Year of impoundment : 1994

Year of Survey : 2015 Catchment Area :129.590 sq km. MDDL : 580.200 m FRL : 594.000 m

Technique of survey : SRS Live storage covered = 151.120Mm3 (73.72%) Observed Rate of Reservoir Capacity (Mcum) As per Studied storage ( Mcum ) Loss in Siltation Capacity Percentage Sr. Year of Periods Revised Live Design Live since Loss in No. Survey ( Years ) Gross Live Dead storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as per km/ yr Study (Mcum) survey 1 2 3 4 5 6 7 8 9 10 11 12 1 1994 214.160 204.980 9.180 0.000 0.000 2 2015 21 ------151.120 144.530 6.590 4.36 24.22 2.422

MULA RESERVOIR Name of District :Ahmednagar Name of Basin : Godavari Name of River :Mula Year of impoundment : 1972

Year of Survey : 2015 Catchment Area :2275.860 sq km. MDDL : 534.010 m FRL : 552.300 m

Technique of survey : SRS Live storage covered = 541.073 Mm3 (88.93%) Observed Rate of Reservoir Capacity (Mcum) As per Studied storage ( Mcum ) Loss in Siltation Capacity Percentage Sr. Year of Periods Revised Live Design Live since Loss in No. Survey ( Years ) Gross Live Dead storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as per km/ yr Study (Mcum) survey 1 2 3 4 5 6 7 8 9 10 11 12 1 1972 735.800 608.450 127.350 0.000 0.000 2 2015 43 ------541.073 486.020 55.053 10.17 5.63 0.563

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PENTAKLI RESERVOIR Name of District :Buldhana Name of Basin : Godavari Name of River :Penganga Year of impoundment : 2001

Year of Survey : 2010 Catchment Area :794.35 sq km. MDDL :549.400 m FRL : 558.500 m

Technique of survey : SRS Live storage covered = 63.230 Mm3 (98.94% ) Observed Rate of Reservoir Capacity (Mcum) As per Studied storage ( Mcum ) Loss in Siltation Capacity Percentage Sr. Year of Periods Revised Live Design Live since Loss in No. Survey ( Years ) Gross Live Dead storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as per km/ yr Study (Mcum) survey 1 2 3 4 5 6 7 8 9 10 11 12 1 2001 75.030 63.909 11.121 0.000 0.000 2 2010 9 ------63.230 62.285 0.945 1.50 1.32 0.132

PUJARA TOLA RESERVOIR Name of District :Gondia Name of Basin : Godavari Name of River :Bagh Year of impoundment : 1968

Year of Survey : 2012 Catchment Area :544.020 sq km. MDDL : 315.150 m FRL : 319.430 m

Technique of survey : SRS Live storage covered = 45.839 Mm3 (94.15%) Observed Rate of Reservoir Capacity (Mcum) As per Studied storage ( Mcum ) Loss in Siltation Capacity Percentage Sr. Year of Periods Revised Live Design Live since Loss in No. Survey ( Years ) Gross Live Dead storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as per km/ yr Study (Mcum) survey 1 2 3 4 5 6 7 8 9 10 11 12 1 1968 65.110 48.690 16.420 0.000 0.000 2 2012 44 ------45.839 40.655 5.184 11.31 2.17 0.217

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PUNEGAON RESERVOIR Name of District :Nashik Name of Basin : Godavari Name of River :Unanda Year of impoundment : 2002

Year of Survey : 2014 Catchment Area :66.00 sq km. MDDL :681.720 m FRL : 690.500 m

Technique of survey : SRS Live storage covered =17.015 Mm3 (96.84%) Observed Rate of Reservoir Capacity (Mcum) As per Studied storage ( Mcum ) Loss in Siltation Capacity Percentage Sr. Year of Periods Revised Live Design Live since Loss in No. Survey ( Years ) Gross Live Dead storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as per km/ yr Study (Mcum) survey 1 2 3 4 5 6 7 8 9 10 11 12 1 2002 20.390 17.570 2.820 0.000 0.000 2 2014 12 ------17.015 16.169 0.846 4.97 10.68 1.068

SAIKHEDA RESERVOIR Name of District :Yavatmal Name of Basin :Godavari Name of River: Khuni Year of impoundment : 1972

Year of Survey : 2015 Catchment Area :480.830 sq km. MDDL : 267.920 m FRL : 272.490 m

Technique of survey : SRS Live storage covered = 24.453 Mm3 (89.97%) Observed Rate of Reservoir Capacity (Mcum) As per Studied storage ( Mcum ) Loss in Siltation Capacity Percentage Sr. Year of Periods Revised Live Design Live since Loss in No. Survey ( Years ) Gross Live Dead storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as per km/ yr Study (Mcum) survey 1 2 3 4 5 6 7 8 9 10 11 12 1 1972 38.510 27.180 11.330 0.000 0.000 2 2015 43 ------24.453 19.449 5.004 20.46 2.42 0.242

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SIDDHESHWAR RESERVOIR Name of District :Hingoli Name of Basin : Godavari Name of River :Purna Year of impoundment : 1962

Year of Survey : 2006 Catchment Area :7700 sq km. MDDL : 410.260 m FRL : 413.009 m

Technique of survey : SRS Live storage covered = 80.850Mm3 (99.86%) Observed Rate of Reservoir Capacity (Mcum) As per Studied storage ( Mcum ) Loss in Siltation Capacity Percentage Sr. Year of Periods Revised Live Design Live since Loss in No. Survey ( Years ) Gross Live Dead storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as per km/ yr Study (Mcum) survey 1 2 3 4 5 6 7 8 9 10 11 12 1 1962 250.850 80.960 169.890 0.000 0.000 2 2006 44 ------80.850 80.880 ......

SIRPUR RESERVOIR Name of District :Gondia Name of Basin : Godavari Name of River :Bagh Year of impoundment : 1968

Year of Survey : 2012 Catchment Area :432.530 sq km. MDDL : 338.930 m FRL : 350.220 m

Technique of survey : SRS Live storage covered = 184.052 Mm3 (95.60%) Observed Rate of Reservoir Capacity (Mcum) As per Studied storage ( Mcum ) Loss in Siltation Capacity Percentage Sr. Year of Periods Revised Live Design Live since Loss in No. Survey ( Years ) Gross Live Dead storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as per km/ yr Study (Mcum) survey 1 2 3 4 5 6 7 8 9 10 11 12 1 1968 203.840 192.520 11.320 0.000 0.000 2 2012 44 ------184.052 152.650 31.401 17.06 16.5 1.65

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SONAL RESERVOIR Name of District :Washim Name of Basin : Godavari Name of River :Adan Year of impoundment : 1981

Year of Survey : 2012 Catchment Area :132.500 sq km. MDDL : 445.500 m FRL : 451.900 m

Technique of survey : SRS Live storage covered = 15.440 Mm3 (91.09%) Observed Rate of Reservoir Capacity (Mcum) As per Studied storage ( Mcum ) Loss in Siltation Capacity Percentage Sr. Year of Periods Revised Live Design Live since Loss in No. Survey ( Years ) Gross Live Dead storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as per km/ yr Study (Mcum) survey 1 2 3 4 5 6 7 8 9 10 11 12 1 1981 20.252 16.950 3.302 0.000 0.000 2 2012 31 ------15.440 14.743 0.697 4.51 1.7 0.17

SUKHANA RESERVOIR Name of District :Aurangabad Name of Basin : Godavari Name of River :Sukhana Year of impoundment : 1966

Year of Survey : 2018 Catchment Area :301.050 sq km. MDDL : 538.280 m FRL : 542.850 m

Technique of survey : DGPS&GIS Live storage covered = 17.605Mm3 (95.14%) Observed Rate of Reservoir Capacity (Mcum) As per Studied storage ( Mcum ) Loss in Siltation Capacity Percentage Sr. Year of Periods Revised Live Design Live since Loss in No. Survey ( Years ) Gross Live Dead storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as per km/ yr Study (Mcum) survey 1 2 3 4 5 6 7 8 9 10 11 12 1 1966 21.356 18.505 2.851 0.000 0.000 2 2018 52 ------17.605 15.280 2.325 13.206 1.48 0.148

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TISGAON RESERVOIR Name of District :Nashik Name of Basin : Godavari Name of River :Parashari Year of impoundment : 1999

Year of Survey : 2014 Catchment Area :97.000 sq km. MDDL :628.000 m FRL : 636.100 m

Technique of survey : SRS Live storage covered = 12.440 Mm3 (97.49%) Observed Rate of Reservoir Capacity (Mcum) As per Studied storage ( Mcum ) Loss in Siltation Capacity Percentage Sr. Year of Periods Revised Live Design Live since Loss in No. Survey ( Years ) Gross Live Dead storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as per km/ yr Study (Mcum) survey 1 2 3 4 5 6 7 8 9 10 11 12 1 1999 15.460 12.760 2.700 0.000 0.000 2 2014 15 ------12.440 10.780 1.660 13.34 11.41 1.141

WADGAON( LOWER WUNNA) RESERVOIR Name of District :Nagpur Name of Basin :Godavari Name of River :Wena Year of impoundment : 1997

Year of Survey : 2013 Catchment Area :1075.50 sq km. MDDL :248.500 m FRL : 255.100 m

Technique of survey : SRS Live storage covered = 104.926 Mm3 (77.15%) Observed Rate of Reservoir Capacity (Mcum) As per Studied storage ( Mcum ) Loss in Siltation Capacity Percentage Sr. Year of Periods Revised Live Design Live since Loss in No. Survey ( Years ) Gross Live Dead storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as per km/ yr Study (Mcum) survey 1 2 3 4 5 6 7 8 9 10 11 12 1 2010(Since 152.600 136.000 16.600 0.000 0.000 last survey) 2 2013 3 ------104.926 100.650 4.276 4.08 13.25 1.325

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WAGHAD RESERVOIR Name of District : Nashik Name of Basin :Godavari Name of River: kolwan Year of impoundment : 1980

Year of Survey : 2014 Catchment Area :119.00 sq km. MDDL : 650.500 m FRL : 668.500 m

Technique of survey : SRS Live storage covered = 63.423 Mm3 (97.30%) Observed Rate of Reservoir Capacity (Mcum) As per Studied storage ( Mcum ) Loss in Siltation Capacity Percentage Sr. Year of Periods Revised Live Design Live since Loss in No. Survey ( Years ) Gross Live Dead storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as per km/ yr Study (Mcum) survey 1 2 3 4 5 6 7 8 9 10 11 12 1 2011(Since 67.720 65.180 2.540 0.000 0.000 last survey) 2 2014 3 ------63.423 63.138 0.285 0.45 7.98 0.798

WAGHADI RESERVOIR Name of District :Yavatmal Name of Basin :Godavari Name of River :Waghadi Year of impoundment : 1980

Year of Survey : 2013 Catchment Area :238.400 sq km. MDDL :310.000 m FRL : 318.600 m

Technique of survey : SRS Live storage covered = 27.658 Mm3 (78.20%) Observed Rate of Reservoir Capacity (Mcum) As per Studied storage ( Mcum ) Loss in Siltation Capacity Percentage Sr. Year of Periods Revised Live Design Live since Loss in No. Survey ( Years ) Gross Live Dead storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as per km/ yr Study (Mcum) survey 1 2 3 4 5 6 7 8 9 10 11 12 1 1980 41.114 35.368 5.746 0.000 0.000 2 2013 33 ------27.658 27.295 0.363 1.31 0.46 0.046

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WALDEVI RESERVOIR Name of District :Nashik Name of Basin :Godavari Name of River :Waldevi Year of impoundment : 2003

Year of Survey : 2013 Catchment Area : 51.840 sq km. MDDL : 650.950 m FRL : 667.680 m

Technique of survey : SRS Live storage covered = 31.220 Mm3 (97.28%) Observed Rate of Reservoir Capacity (Mcum) As per Studied storage ( Mcum ) Loss in Siltation Capacity Percentage Sr. Year of Periods Revised Live Design Live since Loss in No. Survey ( Years ) Gross Live Dead storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as per km/ yr Study (Mcum) survey 1 2 3 4 5 6 7 8 9 10 11 12 1 2003 34.010 32.090 1.920 0.000 0.000 2 2013 10 ------31.220 31.190 0.030 0.1 0.58 0.058

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Table 5 : Hydrological Features for Godavari Basin (Capacity Covered Less than 100%)

Project Name Project Name Features Minimum Maximum

Catchment Area (sq km) Gautami 41.180 Siddheshwar 7700.00

Estimated silt Rate Karanjwan 0.08 Gautami 205.50 (Ham/100 sq km/Yrs) Period between two survey Wadgaon (Lower Wunna) 3 Darna 99 ( years ) & Waghad

Design Gross storage (Mm3) Mandohol 11.300 Mula 735.800

Estimated Live storage Loss (Mm3) Waldevi 0.030 Mula 55.053

Percentage lost in Live Storage (%) Karanjwan 0.06 Mandohol 39.43

Observed Rate of Siltation (mm/yr) Karanjwan 0.008 Gautami 20.55

Resources Engineering Center, MERI , Nashik Page 87

10.2 Kokan Basin

Resources Engineering Center, MERI , Nashik Page 88

Annexure A Projects Covering Full Live Storage Capacity ( 100 % Live Storage Covered )

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MODAKSAGAR RESERVOIR Name of District :Thane Name of Basin : Kokan Name of River :Vaitarna Year of impoundment :1954

Year of Survey : 2008 Catchment Area : 450.62 sq km. MDDL :NA FRL :163.140 m

Technique of survey : Hybrid & DGPS Bathymetric Reservoir Capacity (Mcum) Observed Rate of Siltation Loss in Capacity Percentage Loss Sr. Year of Periods since impounding in capacity since No. Survey (Years) Gross Live Dead (Mcum) impounding Ha.m/100sqkm/ yr mm/yr Storage Storage Storage 1 2 3 4 5 6 7 8 9 10 1 1954 205.685 180.765 24.920 2 2008 54 --- 162.764 --- 18.001 9.96 7.40 0.740

VIHAR RESERVOIR Name of District :Mumbai Name of Basin :Kokan Name of River :Lake Year of impoundment :1859

Year of Survey : 2010 Catchment Area :18.96 sq km. MDDL :70.100 m FRL :80.110 m

Technique of survey : Hybrid Reservoir Capacity (Mcum) Observed Rate of Siltation Loss in Capacity Percentage Loss Sr. Year of Periods since impounding in capacity since No. Survey (Years) Gross Live Dead (Mcum) impounding Ha.m/100sqkm/ yr mm/yr Storage Storage Storage 1 2 3 4 5 6 7 8 9 10 1 1859 NA 38.600 NA 2 2010 151 --- 36.132 --- 2.468 6.39 8.62 0.862

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Table 6 : Hydrological Features for Kokan Basin (Capacity Covered 100%)

Project Name Project Name Features Minimum Maximum

Catchment Area (sq km) Vihar 18.96 Modaksagar 450.62

Estimated silt Rate Modaksagar 7.40 Vihar 8.62 (Ham/100 sq km/Yrs)

Period between two survey ( years ) Modaksagar 54 Vihar 151

Design Gross storage (Mm3) Vihar NA Modaksagar 205.685

Estimated Live storage Loss (Mm3) Vihar 2.468 Modaksagar 18.001

Percentage lost in Live Storage (%) Vihar 6.39 Modaksagar 9.96

Observed Rate of Siltation (mm/yr) Modaksagar 0.740 Vihar 0.862

Resources Engineering Center, MERI , Nashik Page 91

Annexure B Projects Covering Partial Live Storage Capacity ( Study Less Than 100 % Live Storage )

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BARVI RESERVOIR Name of District :Thane Name of Basin : Kokan Name of River :Barvi Year of impoundment : 1978

Year of Survey : 2018-19 Catchment Area :166.020 sq km. MDDL :41.000 m FRL : 72.600 m

Technique of survey : SRS Live storage covered = 195.300 Mm3 (57.638%) As per Studied storage Observed Rate of Reservoir Capacity (Mcum) Loss in ( Mcum ) Siltation Capacity Percentage Sr. Year of Periods Revised Design Live since Loss in No. Survey ( Years ) Gross Live Dead Live storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as km/ yr Study (Mcum) per survey 1 2 3 4 5 6 7 8 9 10 11 12 1 1978 340.480 338.840 1.640 0.000 0.000 2 2018-19 41 ------190.884 187.613 3.271 1.714 4.81 0.481

BHATSA RESERVOIR Name of River :Bhatsa Name of District :Thane Name of Basin : Kokan Chorana Year of impoundment : 1979

Year of Survey : 2017 Catchment Area :388.500 sq km. MDDL :79.200 m FRL : 142.070 m

Technique of survey : SRS Live storage covered = 582.079 Mm3 (61.79%) As per Studied storage Observed Rate of Reservoir Capacity (Mcum) Loss in ( Mcum ) Siltation Capacity Percentage Sr. Year of Periods Revised Design Live since Loss in No. Survey ( Years ) Gross Live Dead Live storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as km/ yr Study (Mcum) per survey 1 2 3 4 5 6 7 8 9 10 11 12 1 1979 976.100 942.100 34.000 0.000 0.000 2 2017 39 ------582.079 526.567 55.512 9.54 92.43 9.243

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HETAWANE RESERVOIR Name of District :Raigad Name of Basin : Kokan Name of River :Bhogeshwari Year of impoundment : 1999

Year of Survey : 2017 Catchment Area :70.45 sq km. MDDL :51.050 m FRL : 86.100 m

Technique of survey : SRS Live storage covered = 96.490 Mm3 (66.55%) As per Studied storage Observed Rate of Reservoir Capacity (Mcum) Loss in ( Mcum ) Siltation Capacity Percentage Sr. Year of Periods Revised Design Live since Loss in No. Survey ( Years ) Gross Live Dead Live storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as km/ yr Study (Mcum) per survey 1 2 3 4 5 6 7 8 9 10 11 12 1 1999 147.490 144.980 2.510 0.000 0.000 2 2017 18 ------96.490 94.483 2.007 2.08 15.8 1.58

NATUWADI RESERVOIR Name of District :Ratnagiri Name of Basin : Kokan Name of River :Tributary of Chorti Year of impoundment : 1983

Year of Survey : 2017 Catchment Area :16.32 sq km. MDDL : 61.550 m FRL : 92.500 m

Technique of survey : SRS Live storage covered = 22.080 Mm3 (81.09%) As per Studied storage Observed Rate of Reservoir Capacity (Mcum) Loss in ( Mcum ) Siltation Capacity Percentage Sr. Year of Periods Revised Design Live since Loss in No. Survey ( Years ) Gross Live Dead Live storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as km/ yr Study (Mcum) per survey 1 2 3 4 5 6 7 8 9 10 11 12 1 1983 28.080 27.230 0.850 0.000 0.000 2 2017 34 ------22.080 21.745 0.335 1.517 6.037 0.604

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TILLARI RESERVOIR Name of District :Sindhudurg Name of Basin : Kokan Name of River :Tillari Year of impoundment : 2009

Year of Survey : 2018 Catchment Area :301.270 sq km. MDDL : 64.000 m FRL :113.200 m

Technique of survey : SRS Live storage covered = 244.667 Mm3 (54.70%) As per Studied storage Observed Rate of Reservoir Capacity (Mcum) Loss in ( Mcum ) Siltation Capacity Percentage Sr. Year of Periods Revised Design Live since Loss in No. Survey ( Years ) Gross Live Dead Live storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as km/ yr Study (Mcum) per survey 1 2 3 4 5 6 7 8 9 10 11 12 1 2009 462.170 447.290 14.880 0.000 0.000 2 2018 9 ------244.667 237.772 6.895 2.818 25.429 2.5429

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Table 7 : Hydrological Features for Kokan Basin (Capacity Covered Less than 100%)

Project Name Project Name Features Minimum Maximum

Catchment Area (sq km) Natuwadi 16.32 Bhatsa 388.50

Estimated silt Rate Barvi 4.81 Bhatsa 92.43 (Ham/100 sq km/Yrs) Period between two survey Tillari 9 Barvi 41 ( years )

Design Gross storage (Mm3) Natuwadi 28.080 Bhatsa 976.100

Estimated Live storage Loss (Mm3) Natuwadi 0.335 Bhatsa 55.512

Percentage lost in Live Storage (%) Natuwadi 1.517 Bhatsa 9.54

Observed Rate of Siltation (mm/yr) Barvi 0.481 Bhatsa 9.24

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10.3 Krishna Basin

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Annexure A Projects Covering Full Live Storage Capacity ( 100 % Live Storage Covered )

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AASHTI RESERVOIR Name of District : Solapur Name of Basin : Krishna Name of River : Aashti Nala Year of impoundment :1882

Year of Survey : 2012 Catchment Area : 238.28 sq km. MDDL : 467.900 m FRL : 472.010 m

Technique of survey : SRS Reservoir Capacity (Mcum) Observed Rate of Siltation Loss in Capacity Percentage Loss Sr. Year of Periods since impounding in capacity since No. Survey (Years) Gross Live Dead (Mcum) impounding Ha.m/100sqkm/ yr mm/yr Storage Storage Storage 1 2 3 4 5 6 7 8 9 10 1 1882 23.010 23.010 0.000 2 2012 130 --- 18.910 --- 4.100 17.82 1.32 0.132

BHATGHAR RESERVOIR Name of District :Pune Name of Basin : Krishna Name of River :Yelwandi Year of impoundment :1927

Year of Survey : 2007 Catchment Area : 331.50 sq km. MDDL : 578.480 m FRL : 623.280 m

Technique of survey : Hybrid Reservoir Capacity (Mcum) Observed Rate of Siltation Loss in Capacity Percentage Loss Sr. Year of Periods since impounding in capacity since No. Survey (Years) Gross Live Dead (Mcum) impounding Ha.m/100sqkm/ yr mm/yr Storage Storage Storage 1 2 3 4 5 6 7 8 9 10 1 1927 672.65 672.650 0 2 2007 80 --- 564.060 --- 108.590 16.14 40.95 4.095

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CHANDANI RESERVOIR Name of District : Osmanabad Name of Basin : Krishna Name of River : Chandani Year of impoundment :1965

Year of Survey : 2015 Catchment Area :606.00 sq km. MDDL : 503.650 m FRL : 507.160 m

Technique of survey : SRS Reservoir Capacity (Mcum) Observed Rate of Siltation Loss in Capacity Percentage Loss Sr. Year of Periods since impounding in capacity since No. Survey (Years) Gross Live Dead (Mcum) impounding Ha.m/100sqkm/ yr mm/yr Storage Storage Storage 1 2 3 4 5 6 7 8 9 10 1 1965 23.782 21.578 2.204 2 2015 50 --- 13.409 --- 8.169 37.86 2.70 0.270

DASVE RESERVOIR Name of District : Pune Name of Basin : Krishna Name of River : Mose Year of impoundment :1999

Year of Survey : 2011 Catchment Area : 9.22 sq km. MDDL : NA FRL :641.00 m

Technique of survey : BATHYMETRIC Reservoir Capacity (Mcum) Observed Rate of Siltation Loss in Capacity Percentage Loss Sr. Year of Periods since impounding in capacity since No. Survey (Years) Gross Live Dead (Mcum) impounding Ha.m/100sqkm/ yr mm/yr Storage Storage Storage 1 2 3 4 5 6 7 8 9 10 1 1999 2.605 2.605 0 2 2011 12 --- 1.970 --- 0.635 24.38 57.39 5.739

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DIMBHE RESERVOIR Name of District : Pune Name of Basin :Krishna Name of River :Ghod Year of impoundment :2000

Year of Survey : 2010 Catchment Area : 298.00 sq km. MDDL : 682.750 m FRL :719.645 m

Technique of survey :Hybrid Reservoir Capacity (Mcum) Observed Rate of Siltation Loss in Capacity Percentage Loss Sr. Year of Periods since impounding in capacity since No. Survey (Years) Gross Live Dead (Mcum) impounding Ha.m/100sqkm/ yr mm/yr Storage Storage Storage 1 2 3 4 5 6 7 8 9 10 1 2000 394.850 366.515 28.335 2 2010 10 --- 391.518 ------

DUDHAGANGA RESERVOIR Name of District : Kolhapur Name of Basin : Krishna Name of River : Dudhaganga Year of impoundment :1999

Year of Survey : 2017 Catchment Area : 196.00 sq km. MDDL :607.160 m FRL :646.00 m

Technique of survey : SRS Reservoir Capacity (Mcum) Observed Rate of Siltation Loss in Capacity Percentage Loss Sr. Year of Periods since impounding in capacity since No. Survey (Years) Gross Live Dead (Mcum) impounding Ha.m/100sqkm/ yr mm/yr Storage Storage Storage 1 2 3 4 5 6 7 8 9 10 1 1999 719.120 679.110 40.010 2 2017 18 --- 655.847 --- 23.263 3.43 65.94 6.594

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GHOD RESERVOIR Name of District: Ahmednagar Name of Basin : Krishna Name of River : Ghod Year of impoundment :1965

Year of Survey : 2007 Catchment Area : 3586.00 sq km. MDDL :541.020 m FRL :548.640 m

Technique of survey :Hybrid Reservoir Capacity (Mcum) Observed Rate of Siltation Loss in Capacity Percentage Loss Sr. Year of Periods since impounding in capacity since No. Survey (Years) Gross Live Dead (Mcum) impounding Ha.m/100sqkm/ yr mm/yr Storage Storage Storage 1 2 3 4 5 6 7 8 9 10 1 1965 216.300 154.800 61.500 2 2007 42 --- 137.990 --- 16.810 10.86 1.12 0.112

JAWALGAON RESERVOIR Name of District : Solapur Name of Basin : Krishna Name of River : Nagzari Year of impoundment :1989

Year of Survey : 2016 Catchment Area : 223.00 sq km. MDDL :195.910 m FRL :503.830 m

Technique of survey : SRS Reservoir Capacity (Mcum) Observed Rate of Siltation Loss in Capacity Percentage Loss Sr. Year of Periods since impounding in capacity since No. Survey (Years) Gross Live Dead (Mcum) impounding Ha.m/100sqkm/ yr mm/yr Storage Storage Storage 1 2 3 4 5 6 7 8 9 10 1 1989 34.910 29.190 5.720 2 2016 28 --- 26.796 --- 2.394 8.20 3.83 0.383

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KHADAKWASLA RESERVOIR Name of District : Pune Name of Basin : Krishna Name of River :Mutha Year of impoundment :1879

Year of Survey : 2007 Catchment Area : 501.80 sq km. MDDL :574.300 m FRL :582.470 m

Technique of survey :Hybrid Reservoir Capacity (Mcum) Observed Rate of Siltation Loss in Capacity Percentage Loss Sr. Year of Periods since impounding in capacity since No. Survey (Years) Gross Live Dead (Mcum) impounding Ha.m/100sqkm/ yr mm/yr Storage Storage Storage 1 2 3 4 5 6 7 8 9 10 1 1879 86.000 56.000 30.000 2 2007 128 --- 63.960 ------

KOYNA RESERVOIR Name of District : Satara Name of Basin : Krishna Name of River : Koyna Year of impoundment :1967

Year of Survey : 2012 Catchment Area : 891.78 sq km. MDDL :609.600 m FRL :659.435 m

Technique of survey : BATHYMETRIC Reservoir Capacity (Mcum) Observed Rate of Siltation Loss in Capacity Percentage Loss Sr. Year of Periods since impounding in capacity since No. Survey (Years) Gross Live Dead (Mcum) impounding Ha.m/100sqkm/ yr mm/yr Storage Storage Storage 1 2 3 4 5 6 7 8 9 10 1 1967 2980.680 2860.890 119.790 2 2012 45 --- 2721.456 --- 139.434 4.87 34.75 3.475

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MANGI RESERVOIR Name of District : Solapur Name of Basin : Krishna Name of River : Kanohala Year of impoundment :1966

Year of Survey : 2015 Catchment Area : 305.00 sq km. MDDL :526.870 m FRL :538.150 m

Technique of survey : SRS Reservoir Capacity (Mcum) Observed Rate of Siltation Loss in Capacity Percentage Loss Sr. Year of Periods since impounding in capacity since No. Survey (Years) Gross Live Dead (Mcum) impounding Ha.m/100sqkm/ yr mm/yr Storage Storage Storage 1 2 3 4 5 6 7 8 9 10 1 1966 30.405 30.214 0.191 2 2015 49 --- 28.123 --- 2.091 6.92 1.40 0.140

MANIKDOH RESERVOIR Name of District : Pune Name of Basin : Krishna Name of River : Kukadi Year of impoundment :1984

Year of Survey : 2006 Catchment Area :129.00 sq km. MDDL :670.000 m FRL :711.250 m

Technique of survey : Hybrid& DGPS Bathymetric Reservoir Capacity (Mcum) Observed Rate of Siltation Loss in Capacity Percentage Loss Sr. Year of Periods since impounding in capacity since No. Survey (Years) Gross Live Dead (Mcum) impounding Ha.m/100sqkm/ yr mm/yr Storage Storage Storage 1 2 3 4 5 6 7 8 9 10 1 1984 308.050 288.240 19.810 2 2006 22 --- 261.620 --- 26.620 9.24 93.80 9.380

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MATOBA RESERVOIR Name of District : Pune Name of Basin : Krishna Name of River : Kutbav Nala Year of impoundment :1878

Year of Survey : 2014 Catchment Area : NA MDDL :540.94 m FRL :546.40 m

Technique of survey : SRS Reservoir Capacity (Mcum) Observed Rate of Siltation Loss in Capacity Percentage Loss Sr. Year of Periods since impounding in capacity since No. Survey (Years) Gross Live Dead (Mcum) impounding Ha.m/100sqkm/ yr mm/yr Storage Storage Storage 1 2 3 4 5 6 7 8 9 10 1 1878 4.550 4.510 0.040 2 2014 136 --- 4.620 ------

PANSHET RESERVOIR Name of District : Pune Name of Basin : Krishna Name of River :Ambi Year of impoundment :1968

Year of Survey : 2007 Catchment Area : 120.300 sq km. MDDL :597.500 m FRL :636.270 m

Technique of survey : Hybrid & DGPS Bathymetric Reservoir Capacity (Mcum) Observed Rate of Siltation Loss in Capacity Percentage Loss Sr. Year of Periods since impounding in capacity since No. Survey (Years) Gross Live Dead (Mcum) impounding Ha.m/100sqkm/ yr mm/yr Storage Storage Storage 1 2 3 4 5 6 7 8 9 10 1 1968 310.617 301.442 9.175 2 2007 39 --- 276.358 --- 25.084 8.32 53.46 5.346

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PIMPALGAON JOGE RESERVOIR Name of District : Pune Name of Basin : Krishna Name of River :Ar (Pushpavati) Year of impoundment :2000

Year of Survey : 2006 Catchment Area : 95.90 sq km. MDDL :682.000 m FRL :686.800 m

Technique of survey : SRS Reservoir Capacity (Mcum) Observed Rate of Siltation Loss in Capacity Percentage Loss Sr. Year of Periods since impounding in capacity since No. Survey (Years) Gross Live Dead (Mcum) impounding Ha.m/100sqkm/ yr mm/yr Storage Storage Storage 1 2 3 4 5 6 7 8 9 10 1 2000 235.520 110.288 125.280 2 2006 6 --- 109.157 --- 1.131 1.03 19.66 1.966

RADHANAGARI RESERVOIR Name of District : Kolhapur Name of Basin : Krishna Name of River :Bhogavati Year of impoundment :1908

Year of Survey : 2011 Catchment Area : 108.800 sq km. MDDL :566.140 m FRL :590.980 m

Technique of survey : SRS & BATHYMETRIC Reservoir Capacity (Mcum) Observed Rate of Siltation Loss in Capacity Percentage Loss Sr. Year of Periods since impounding in capacity since No. Survey (Years) Gross Live Dead (Mcum) impounding Ha.m/100sqkm/ yr mm/yr Storage Storage Storage 1 2 3 4 5 6 7 8 9 10 1 1908 236.790 219.970 16.820 2 2011 103 --- 203.063 --- 16.907 7.69 15.09 1.509

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SINA RESERVOIR Name of District :Ahmednagar Name of Basin :Krishna Name of River :Sina Year of impoundment :1985

Year of Survey : 2014 Catchment Area :1582.00 sq km. MDDL :579.450 m FRL :584.00 m

Technique of survey : SRS Reservoir Capacity (Mcum) Observed Rate of Siltation Loss in Capacity Percentage Loss Sr. Year of Periods since impounding in capacity since No. Survey (Years) Gross Live Dead (Mcum) impounding Ha.m/100sqkm/ yr mm/yr Storage Storage Storage 1 2 3 4 5 6 7 8 9 10 1 1985 67.950 52.300 15.650 2 2014 29 --- 32.540 --- 19.760 37.78 4.31 0.431

UJJANI RESERVOIR Name of District :Solapur Name of Basin :Krishna Name of River :Bhima Year of impoundment :1977

Year of Survey : 2018 Catchment Area :14856.00 sq km. MDDL :491.030 m FRL :496.830 m

Technique of survey : SRS Reservoir Capacity (Mcum) Observed Rate of Siltation Loss in Capacity Percentage Loss Sr. Year of Periods since impounding in capacity since No. Survey (Years) Gross Live Dead (Mcum) impounding Ha.m/100sqkm/ yr mm/yr Storage Storage Storage 1 2 3 4 5 6 7 8 9 10 1 1977 3320.010 1517.200 1802.810 2 2018 41 --- 1328.894 --- 188.306 12.41 3.09 0.309

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VARASGAON RESERVOIR Name of District :Pune Name of Basin :Krishna Name of River :Mose Year of impoundment :1986

Year of Survey : 2010 Catchment Area :130.00 sq km. MDDL :600.500 m FRL :639.500 m

Technique of survey : Hybrid & DGPS Bathymetric Reservoir Capacity (Mcum) Observed Rate of Siltation Loss in Capacity Percentage Loss Sr. Year of Periods since impounding in capacity since No. Survey (Years) Gross Live Dead (Mcum) impounding Ha.m/100sqkm/ yr mm/yr Storage Storage Storage 1 2 3 4 5 6 7 8 9 10 1 1986 375.361 363.189 12.172 2 2010 24 --- 361.232 --- 1.957 0.54 6.27 0.627

YEDGAON RESERVOIR Name of District :Pune Name of Basin :Krishna Name of River :Kukadi Year of impoundment :1977

Year of Survey : 2013 Catchment Area :461.00 sq km. MDDL :634.300 m FRL :641.000 m

Technique of survey : SRS Reservoir Capacity (Mcum) Observed Rate of Siltation Loss in Capacity Percentage Loss Sr. Year of Periods since impounding in capacity since No. Survey (Years) Gross Live Dead (Mcum) impounding Ha.m/100sqkm/ yr mm/yr Storage Storage Storage 1 2 3 4 5 6 7 8 9 10 1 1977 93.432 79.276 14.156 2 2013 36 --- 55.044 --- 24.232 30.57 14.60 1.460

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Table 8 : Hydrological Features for Krishna Basin (Capacity Covered 100%)

Project Name Project Name Features Minimum Maximum

Catchment Area (sq km) Dasve 9.22 Ujjani 14856.00

Estimated silt Rate Ghod 1.12 Manikdoh 93.80 (Ham/100 sq km/Yrs) Period between two survey Pimpalgaon Joge 6 Matoba 136 ( years )

Design Gross storage (Mm3) Dasve 2.605 Ujjani 3320.01

Estimated Live storage Loss (Mm3) Dasve 0.635 Ujjani 188.306

Percentage lost in Live Storage (%) Varasgaon 0.54 Chandani 37.86

Observed Rate of Siltation (mm/yr) Ghod 0.112 Manikdoh 9.380

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Annexure B Projects Covering Partial Live Storage Capacity ( Study Less Than 100 % Live Storage )

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CHILEWADI RESERVOIR Name of District :Pune Name of Basin : Krishna Name of River :Mandavi Year of impoundment : 2000

Year of Survey : 2016 Catchment Area :103.940 sq km. MDDL :703.170 m FRL : 743.135 m

Technique of survey : SRS Live storage covered = 17.381 Mm3 (70.65%) As per Studied storage Observed Rate of Reservoir Capacity (Mcum) Loss in ( Mcum ) Siltation Capacity Percentage Sr. Year of Periods Revised Live Design Live since Loss in No. Survey ( Years ) Gross Live Dead storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as km/ yr Study (Mcum) per survey 1 2 3 4 5 6 7 8 9 10 11 12 1 2000 27.170 24.600 2.570 0.000 0.000 2 2016 16 ------17.381 15.852 1.529 8.80 9.19 0.919

CHITRI RESERVOIR Name of District:Kolhapur Name of Basin : Krishna Name of River :Chitri Year of impoundment : 2004

Year of Survey : 2017 Catchment Area :27.850 sq km. MDDL :682.200 m FRL : 718.900 m

Technique of survey : SRS Live storage covered = 45.634 Mm3 (86.95%) As per Studied storage Observed Rate of Reservoir Capacity (Mcum) Loss in ( Mcum ) Siltation Capacity Percentage Sr. Year of Periods Revised Live Design Live since Loss in No. Survey ( Years ) Gross Live Dead storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as km/ yr Study (Mcum) per survey 1 2 3 4 5 6 7 8 9 10 11 12 1 2004 53.414 52.481 0.933 0.000 0.000 2 2017 13 ------45.634 43.574 2.060 4.51 56.90 5.690

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DHOM RESERVOIR Name of District:Satara Name of Basin : Krishna Name of River :Krishna Year of impoundment : 1976

Year of Survey : 2006 Catchment Area :217.560 sq km. MDDL :725.400 m FRL : 747.700 m

Technique of survey : SRS Live storage covered = 273.755 Mm3 (82.69%) As per Studied storage Observed Rate of Reservoir Capacity (Mcum) Loss in ( Mcum ) Siltation Capacity Percentage Sr. Year of Periods Revised Live Design Live since Loss in No. Survey ( Years ) Gross Live Dead storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as km/ yr Study (Mcum) per survey 1 2 3 4 5 6 7 8 9 10 11 12 1 1976 382.320 331.050 51.170 0.000 0.000 2 2006 30 ------273.755 264.382 9.373 3.42 14.36 1.436

EKRUKH RESERVOIR Name of District : Solapur Name of Basin : Krishna Name of River :Adhila Nala Year of impoundment : 1871

Year of Survey : 2015 Catchment Area : 411.810 sq km. MDDL : 457.070 m FRL : 463.900 m

Technique of survey : SRS Live storage covered = 41.889 Mm3 (46.78%) As per Studied storage Observed Rate of Reservoir Capacity (Mcum) Loss in ( Mcum ) Siltation Capacity Percentage Sr. Year of Periods Revised Live Design Live since Loss in No. Survey ( Years ) Gross Live Dead storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as km/ yr Study (Mcum) per survey 1 2 3 4 5 6 7 8 9 10 11 12 last survey 1 2007 94.300 89.540 4.760 0.000 0.000 2 2015 8 ------41.889 41.153 0.736 1.76 22.3 0.223

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JANGAMHATTI RESERVOIR Name of District :Kolhapur Name of Basin : Krishna Name of River :Honhal Nala Year of impoundment : 2003

Year of Survey : 2018 Catchment Area :21.40 sq km. MDDL :707.400 m FRL : 726.200 m

Technique of survey : SRS Live storage covered = 19.276 Mm3 (57.12%) As per Studied storage Observed Rate of Reservoir Capacity (Mcum) Loss in ( Mcum ) Siltation Capacity Percentage Sr. Year of Periods Revised Live Design Live since Loss in No. Survey ( Years ) Gross Live Dead storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as km/ yr Study (Mcum) per survey 1 2 3 4 5 6 7 8 9 10 11 12 1 2003 34.837 33.746 1.091 0.000 0.000 2 2018 15 ------19.276 18.410 0.866 4.492 26.97 2.697

KANHER RESERVOIR Name of District :Satara Name of Basin : Krishna Name of River :Venna Year of impoundment : 1984

Year of Survey : 2007 Catchment Area :204.69 sq km. MDDL :662.025 m FRL : 690.780 m

Technique of survey : SRS Live storage covered = 232.913 Mm3 (85.73%) As per Studied storage Observed Rate of Reservoir Capacity (Mcum) Loss in ( Mcum ) Siltation Capacity Percentage Sr. Year of Periods Revised Live Design Live since Loss in No. Survey ( Years ) Gross Live Dead storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as km/ yr Study (Mcum) per survey 1 2 3 4 5 6 7 8 9 10 11 12 1 1984 286.130 271.680 14.320 0.000 0.000 2 2007 23 ------232.913 230.312 2.601 1.12 5.52 0.552

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KASARI RESERVOIR Name of District :Kolhapur Name of Basin : Krishna Name of River :Kasari Year of impoundment : 1998

Year of Survey : 2016 Catchment Area :33.280 sq km. MDDL : 589.300 m FRL : 623.000 m

Technique of survey : SRS Live storage covered = 61.140 Mm3 (78.42%) As per Studied storage Observed Rate of Reservoir Capacity (Mcum) Loss in ( Mcum ) Siltation Capacity Percentage Sr. Year of Periods Revised Live Design Live since Loss in No. Survey ( Years ) Gross Live Dead storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as km/ yr Study (Mcum) per survey 1 2 3 4 5 6 7 8 9 10 11 12 1 1998 78.560 77.960 0.600 0.000 0.000 2 2016 18 ------61.140 58.350 2.790 4.56 46.57 4.657

MAYANI RESERVOIR Name of District :Satara Name of Basin : Krishna Name of River :Chand Year of impoundment : 1876

Year of Survey : 2015 Catchment Area :135.170 sq km. MDDL : 702.750 m FRL : 705.070 m

Technique of survey : SRS Live storage covered =1.364 Mm3 (93.42%) As per Studied storage Observed Rate of Reservoir Capacity (Mcum) Loss in ( Mcum ) Siltation Capacity Percentage Sr. Year of Periods Revised Live Design Live since Loss in No. Survey ( Years ) Gross Live Dead storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as km/ yr Study (Mcum) per survey 1 2 3 4 5 6 7 8 9 10 11 12 1 1876 1.460 1.460 0.000 0.000 0.000 2 2015 139 ------1.364 1.069 0.295 21.63 0.16 0.016

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MHASWAD RESERVOIR Name of District :Satara Name of Basin : Krishna Name of River :Man Year of impoundment : 1891

Year of Survey : 2015 Catchment Area : 1243.15 sq km. MDDL : 584.05 m FRL :591.53 m

Technique of survey : SRS Live storage covered = 42.440 Mm3 (91.84%) As per Studied storage Observed Rate of Reservoir Capacity (Mcum) Loss in ( Mcum ) Siltation Capacity Percentage Sr. Year of Periods Revised Live Design Live since Loss in No. Survey ( Years ) Gross Live Dead storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as km/ yr Study (Mcum) per survey 1 2 3 4 5 6 7 8 9 10 11 12 1 1891 47.910 46.210 1.690 0.000 0.000 2 2015 124 ------42.440 39.790 2.650 6.24 0.17 0.017

NAZARE RESERVOIR Name of District : Pune Name of Basin :Krishna Name of River: Karha Year of impoundment : 1975

Year of Survey : 2014 Catchment Area : 397.82 sq km. MDDL : 670.680 m FRL : 677.08 m

Technique of survey : SRS Live storage covered =15.590 Mm3 (93.62%) As per Studied storage Observed Rate of Reservoir Capacity (Mcum) Loss in ( Mcum ) Siltation Capacity Percentage Sr. Year of Periods Revised Live Design Live since Loss in No. Survey ( Years ) Gross Live Dead storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as km/ yr Study (Mcum) per survey 1 2 3 4 5 6 7 8 9 10 11 12 1 1975 22.316 16.652 5.663 0.000 0.000 2 2014 39 ------15.590 13.760 1.830 11.74 1.2 0.12

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NER RESERVOIR Name of District : Satara Name of Basin :Krishna Name of River: Yerala Year of impoundment : 1881

Year of Survey : 2015 Catchment Area :154.100 sq km. MDDL : 806.710 m FRL : 813.500 m

Technique of survey : SRS Live storage covered = 9.847 Mm3 (83.54%) As per Studied storage Observed Rate of Reservoir Capacity (Mcum) Loss in ( Mcum ) Siltation Capacity Percentage Sr. Year of Periods Revised Live Design Live since Loss in No. Survey ( Years ) Gross Live Dead storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as km/ yr Study (Mcum) per survey 1 2 3 4 5 6 7 8 9 10 11 12 1 1881 11.790 11.790 0.000 0.000 0.000 2 2015 134 ------9.847 9.800 0.047 0.48 0.02 0.002

PAWANA RESERVOIR Name of District :Pune Name of Basin : Krishna Name of River: Pawana Year of impoundment : 1972

Year of Survey : 2015 Catchment Area :113.360 sq km. MDDL : 594.960 m FRL : 614.480 m

Technique of survey : SRS Live storage covered = 174.750 Mm3 (63.78%) As per Studied storage Observed Rate of Reservoir Capacity (Mcum) Loss in ( Mcum ) Siltation Capacity Percentage Sr. Year of Periods Revised Live Design Live since Loss in No. Survey ( Years ) Gross Live Dead storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as km/ yr Study (Mcum) per survey 1 2 3 4 5 6 7 8 9 10 11 12 1 1972 305.100 274.000 31.100 0.000 0.000 2 2015 43 ------174.750 193.580 ......

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SHETPHAL RESERVOIR Name of District :Pune Name of Basin : Krishna Name of River :Shetphal Nalla Year of impoundment : 1901

Year of Survey : 2015 Catchment Area : 5.960 sq km. MDDL : 513.050 m FRL : 521.620 m

Technique of survey : SRS Live storage covered =13.230 Mm3 (84.81%) As per Studied storage Observed Rate of Reservoir Capacity (Mcum) Loss in ( Mcum ) Siltation Capacity Percentage Sr. Year of Periods Revised Live Design Live since Loss in No. Survey ( Years ) Gross Live Dead storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as km/ yr Study (Mcum) per survey 1 2 3 4 5 6 7 8 9 10 11 12 1 1901 16.210 15.600 0.610 0.000 0.000 2 2015 114 ------13.230 13.480 ......

THOKARWADI RESERVOIR Name of District :Pune Name of Basin : Krishna Name of River :Andhra Year of impoundment : 1922

Year of Survey : 2012 Catchment Area :124.270 sq km. MDDL :646.180 m FRL : 667.470 m

Technique of survey : SRS Live storage covered = 321.497 Mm3 (88.63%) As per Studied storage Observed Rate of Reservoir Capacity (Mcum) Loss in ( Mcum ) Siltation Capacity Percentage Sr. Year of Periods Revised Live Design Live since Loss in No. Survey ( Years ) Gross Live Dead storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as km/ yr Study (Mcum) per survey 1 2 3 4 5 6 7 8 9 10 11 12 1 1922 .... 362.700 .... 0.000 0.000 2 2012 90 ------321.497 291.986 29.512 9.18 26.38 2.638

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VADAJ RESERVOIR Name of District :Pune Name of Basin : Krishna Name of River :NA Year of impoundment : 1983

Year of Survey : 2006 Catchment Area :155.000 sq km. MDDL : 704.700 m FRL : 717.500 m

Technique of survey : DGPS Live storage covered = 29.440 Mm3 (88.94%) As per Studied storage Observed Rate of Reservoir Capacity (Mcum) Loss in ( Mcum ) Siltation Capacity Percentage Sr. Year of Periods Revised Live Design Live since Loss in No. Survey ( Years ) Gross Live Dead storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as km/ yr Study (Mcum) per survey 1 2 3 4 5 6 7 8 9 10 11 12 1 1983 35.900 33.100 2.800 0.000 0.000 2 2006 23 ------29.440 25.662 3.778 12.83 10.60 1.060

VEER RESERVOIR Name of District :Satara Name of Basin : Krishna Name of River :Neera Year of impoundment : 1965

Year of Survey : 2015 Catchment Area :1756.000 sq km. MDDL : 562.330 m FRL : 579.850 m

Technique of survey : SRS Live storage covered = 193.030 Mm3 (72.50%) As per Studied storage Observed Rate of Reservoir Capacity (Mcum) Loss in ( Mcum ) Siltation Capacity Percentage Sr. Year of Periods Revised Live Design Live since Loss in No. Survey ( Years ) Gross Live Dead storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as km/ yr Study (Mcum) per survey 1 2 3 4 5 6 7 8 9 10 11 12 1 1965 278.500 266.250 12.250 0.000 0.000 2 2015 50 ------193.030 168.810 24.220 12.55 2.76 0.276

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WARNA RESERVOIR Name of District :Sangli Name of Basin :Krishna Name of River :Warna Year of impoundment : 1984

Year of Survey : 2014 Catchment Area : 301.00 sq km. MDDL : 588.200 m FRL : 626.900 m

Technique of survey : SRS Live storage covered = 646.203 Mm3 (82.91 %) As per Studied storage Observed Rate of Reservoir Capacity (Mcum) Loss in ( Mcum ) Siltation Capacity Percentage Sr. Year of Periods Revised Live Design Live since Loss in No. Survey ( Years ) Gross Live Dead storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as km/ yr Study (Mcum) per survey 1 2 3 4 5 6 7 8 9 10 11 12 1 1984 974.188 779.348 194.840 0.000 0.000 2 2014 30 ------646.203 625.947 20.256 3.13 22.432 2.243

YERALWADI RESERVOIR Name of District :Satara Name of Basin :Krishna Name of River :Yerala Year of impoundment : 1978

Year of Survey : 2014 Catchment Area : 766.840 sq km. MDDL : 694.400 m FRL : 698.200 m

Technique of survey : SRS Live storage covered = 19.030 Mm3 (95.07%) As per Studied storage Observed Rate of Reservoir Capacity (Mcum) Loss in ( Mcum ) Siltation Capacity Percentage Sr. Year of Periods Revised Live Design Live since Loss in No. Survey ( Years ) Gross Live Dead storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as km/ yr Study (Mcum) per survey 1 2 3 4 5 6 7 8 9 10 11 12 1 1978 33.240 20.015 13.225 0.000 0.000 2 2014 36 ------19.030 16.840 2.190 11.51 0.79 0.079

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Table 9 : Hydrological Features for Krishna Basin (Capacity Covered Less than 100%)

Project Name Project Name Features Minimum Maximum

Catchment Area (sq km) Shetphal 5.960 Veer 1756.00

Estimated silt Rate Ner 0.02 Chitri 56.90 (Ham/100 sq km/Yrs) Period between two survey Ekrukh 8 Mayani 139 ( years )

Design Gross storage (Mm3) Mayani 1.460 Warna 974.188

Estimated Live storage Loss (Mm3) Ner 0.047 Thokarwadi 29.512

Percentage lost in Live Storage (%) Ner 0.48 Mayani 21.63

Observed Rate of Siltation (mm/yr) Ner 0.002 Chitri 5.690

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10.4 Tapi Basin

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Annexure A Projects Covering Full Live Storage Capacity ( 100 % Live Storage Covered )

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ANER RESERVOIR Name of District : Dhule Name of Basin : Tapi Name of River : Aner Year of impoundment :1972

Year of Survey : 2017-18 Catchment Area : 1239.00 sq km. MDDL : 207.200 m FRL : 216.400 m

Technique of survey : SRS Reservoir Capacity (Mcum) Observed Rate of Siltation Loss in Capacity Percentage Loss Sr. Year of Periods since impounding in capacity since No. Survey (Years) Gross Live Dead (Mcum) impounding Ha.m/100sqkm/ yr mm/yr Storage Storage Storage

1 2 3 4 5 6 7 8 9 10 1 1972 103.565 59.209 44.356 2 2017-18 46 --- 48.349 --- 10.860 18.342 1.905 0.1905

BORI RESERVOIR Name of District :Jalgaon Name of Basin : Tapi Name of River :Bori Year of impoundment :1976

Year of Survey : 2016-17 Catchment Area : 639.80 sq km. MDDL : 263.000 m FRL : 267.100 m

Technique of survey : SRS Reservoir Capacity (Mcum) Observed Rate of Siltation Loss in Capacity Percentage Loss Sr. Year of Periods since impounding in capacity since No. Survey (Years) Gross Live Dead (Mcum) impounding Ha.m/100sqkm/ yr mm/yr Storage Storage Storage

1 2 3 4 5 6 7 8 9 10 1 1976 40.310 25.150 15.160 2 2016-17 41 --- 19.312 --- 5.838 23.212 2.225 0.2225

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GIRNA RESERVOIR Name of District :Nashik Name of Basin : Tapi Name of River : Girna Year of impoundment :1969

Year of Survey : 2010 Catchment Area : 4727.30 sq km. MDDL :372.800 m FRL :397.970 m

Technique of survey :Hybrid & DGPS Bathymetric Reservoir Capacity (Mcum) Observed Rate of Siltation Loss in Capacity Percentage Loss Sr. Year of Periods since impounding in capacity since No. Survey (Years) Gross Live Dead (Mcum) impounding Ha.m/100sqkm/ yr mm/yr Storage Storage Storage

1 2 3 4 5 6 7 8 9 10 1 1969 608.450 523.550 84.900 2 2010 41 --- 510.200 --- 13.350 2.55 0.69 0.069

HARANBARI RESERVOIR Name of District : Nashik Name of Basin : Tapi Name of River : Mosam Year of impoundment :1990

Year of Survey : 2015 Catchment Area : 121.600 sq km. MDDL :726.530 m FRL :744.320 m

Technique of survey : SRS Reservoir Capacity (Mcum) Observed Rate of Siltation Loss in Capacity Percentage Loss Sr. Year of Periods since impounding in capacity since No. Survey (Years) Gross Live Dead (Mcum) impounding Ha.m/100sqkm/ yr mm/yr Storage Storage Storage 1 2 3 4 5 6 7 8 9 10 1 1990 34.780 33.020 1.760 2 2015 25 --- 42.240 ------

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HIVRA RESERVOIR Name of District : Jalgaon Name of Basin : Tapi Name of River : Hivra Year of impoundment :1993

Year of Survey : 2017-18 Catchment Area : 186.88 sq km. MDDL :281.120 m FRL :285.400 m

Technique of survey : SRS Reservoir Capacity (Mcum) Observed Rate of Siltation Loss in Capacity Percentage Loss Sr. Year of Periods since impounding in capacity since No. Survey (Years) Gross Live Dead (Mcum) impounding Ha.m/100sqkm/ yr mm/yr Storage Storage Storage

1 2 3 4 5 6 7 8 9 10 1 1993 12.777 9.601 3.176 2 2017-18 25 --- 8.035 --- 1.566 16.311 3.352 0.3352

KANOLI RESERVOIR Name of District : Dhule Name of Basin : Tapi Name of River : Kanoli Year of impoundment :1974

Year of Survey : 2017 Catchment Area : 604.00 sq km. MDDL :349.500 m FRL :355.240 m

Technique of survey : SRS Reservoir Capacity (Mcum) Observed Rate of Siltation Loss in Capacity Percentage Loss Sr. Year of Periods since impounding in capacity since No. Survey (Years) Gross Live Dead (Mcum) impounding Ha.m/100sqkm/ yr mm/yr Storage Storage Storage 1 2 3 4 5 6 7 8 9 10 1 1974 11.900 8.450 3.450 2 2017 43 --- 7.150 --- 1.300 15.34 0.499 0.0499

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KARWAND RESERVOIR Name of District : Dhule Name of Basin : Tapi Name of River : Arunavati Year of impoundment :1971

Year of Survey : 2017-18 Catchment Area : 410.00 sq km. MDDL :211.400 m FRL :219.400 m

Technique of survey : SRS Reservoir Capacity (Mcum) Observed Rate of Siltation Loss in Capacity Percentage Loss Sr. Year of Periods since impounding in capacity since No. Survey (Years) Gross Live Dead (Mcum) impounding Ha.m/100sqkm/ yr mm/yr Storage Storage Storage

1 2 3 4 5 6 7 8 9 10 1 1971 20.730 20.730 0.000 2 2017-18 47 --- 15.776 --- 4.954 23.898 2.571 0.2571

KELZAR RESERVOIR Name of District : Nashik Name of Basin : Tapi Name of River : Aram Year of impoundment :1985

Year of Survey : 2015 Catchment Area : 54.39 sq km. MDDL :727.300 m FRL :743.150 m

Technique of survey : SRS Reservoir Capacity (Mcum) Observed Rate of Siltation Loss in Capacity Percentage Loss Sr. Year of Periods since impounding in capacity since No. Survey (Years) Gross Live Dead (Mcum) impounding Ha.m/100sqkm/ yr mm/yr Storage Storage Storage

1 2 3 4 5 6 7 8 9 10 1 1985 17.100 16.220 0.880 2 2015 30 --- 16.030 --- 0.190 1.17 1.16 0.116

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MAS RESERVOIR Name of District : Buldhana Name of Basin : Tapi Name of River : Mas Year of impoundment :1982

Year of Survey : 2017 Catchment Area : 212.380 sq km. MDDL :319.300 m FRL :324.500 m

Technique of survey : SRS Reservoir Capacity (Mcum) Observed Rate of Siltation Loss in Capacity Percentage Loss Sr. Year of Periods since impounding in capacity since No. Survey (Years) Gross Live Dead (Mcum) impounding Ha.m/100sqkm/ yr mm/yr Storage Storage Storage

1 2 3 4 5 6 7 8 9 10 1 1982 17.504 15.040 2.464 2 2017 35 --- 11.349 --- 3.691 24.54 4.97 0.497

MUN RESERVOIR Name of District : Buldhana Name of Basin : Tapi Name of River : Mun Year of impoundment :1993

Year of Survey : 2010 Catchment Area : 314.04 sq km. MDDL : 361.500 m FRL :374.600 m

Technique of survey : SRS Reservoir Capacity (Mcum) Observed Rate of Siltation Loss in Capacity Percentage Loss Sr. Year of Periods since impounding in capacity since No. Survey (Years) Gross Live Dead (Mcum) impounding Ha.m/100sqkm/ yr mm/yr Storage Storage Storage

1 2 3 4 5 6 7 8 9 10 1 1993 42.480 36.830 5.650 2 2010 17 --- 34.807 --- 2.023 5.49 2.64 0.264

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SONWAD RESERVOIR Name of District : Dhule Name of Basin : Tapi Name of River : Gul Nalla Year of impoundment :1998

Year of Survey : 2016-2017 Catchment Area : 128.00 sq km. MDDL :207.100 m FRL :212.400 m

Technique of survey : SRS Reservoir Capacity (Mcum) Observed Rate of Siltation Loss in Capacity Percentage Loss Sr. Year of Periods since impounding in capacity since No. Survey (Years) Gross Live Dead (Mcum) impounding Ha.m/100sqkm/ yr mm/yr Storage Storage Storage

1 2 3 4 5 6 7 8 9 10 1 1998 17.520 14.360 3.160 2 2016-17 19 --- 12.812 --- 1.548 10.78 6.365 0.6365

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Table 10 : Hydrological Features for Tapi Basin (Capacity Covered 100%)

Project Name Project Name Features Minimum Maximum

Catchment Area (sq km) Kelzar 54.39 Girna 4727.30

Estimated silt Rate Kanoli 0.499 Sonwad 6.365 (Ham/100 sq km/Yrs) Period between two survey Mun 17 Karwand 47 ( years )

Design Gross storage (Mm3) Kanoli 11.900 Girna 608.450

Estimated Live storage Loss (Mm3) Kelzar 0.190 Girna 13.350

Percentage lost in Live Storage (%) Kelzar 1.17 Mas 24.54

Observed Rate of Siltation (mm/yr) Kanoli 0.049 Sonwad 0.6365

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Annexure B Projects Covering Partial Live Storage Capacity ( Study Less Than 100 % Live Storage )

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BURAI RESERVOIR Name of District :Dhule Name of Basin : Tapi Name of River :Burai Year of impoundment : 1983

Year of Survey : 2015 Catchment Area : 314.400 sq km. MDDL : 393.400 m FRL : 401.000 m

Technique of survey : SRS Live storage covered = 11.696 Mm3 (82.31%) As per Studied storage Observed Rate of Reservoir Capacity (Mcum) Loss in ( Mcum ) Siltation Capacity Percentage Sr. Year of Periods Revised Design Live since Loss in No. Survey ( Years ) Gross Live Dead Live storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as km/ yr Study (Mcum) per survey 1 2 3 4 5 6 7 8 9 10 11 12 1 1983 21.330 14.210 7.120 0.000 0.000 2 2015 32 ------11.696 9.402 2.294 19.61 2.28 0.228

DARA RESERVOIR Name of District : Nandurbar Name of Basin : Tapi Name of River :Waki Year of impoundment : 2007

Year of Survey : 2013 Catchment Area : 63.710 sq km. MDDL : 279.700 m FRL : 309.200 m

Technique of survey : SRS Live storage covered = 7.760 Mm3 (57.69 %) As per Studied storage Observed Rate of Reservoir Capacity (Mcum) Loss in ( Mcum ) Siltation Capacity Percentage Sr. Year of Periods Revised Design Live since Loss in No. Survey ( Years ) Gross Live Dead Live storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as km/ yr Study (Mcum) per survey 1 2 3 4 5 6 7 8 9 10 11 12 1 2007 14.760 13.450 1.310 0.000 0.000 2 2013 6 ------7.760 4.020 3.740 48.26 98 9.8

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DNYANGANGA RESERVOIR Name of District : Buldhana Name of Basin : Tapi Name of River :Dnyanganga Year of impoundment : 1971

Year of Survey : 2017 Catchment Area : 200.00 sq km. MDDL : 388.000 m FRL : 404.900 m

Technique of survey : SRS Live storage covered = 30.831 Mm3 (90.87%) As per Studied storage Observed Rate of Reservoir Capacity (Mcum) Loss in ( Mcum ) Siltation Capacity Percentage Sr. Year of Periods Revised Design Live since Loss in No. Survey ( Years ) Gross Live Dead Live storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as km/ yr Study (Mcum) per survey 1 2 3 4 5 6 7 8 9 10 11 12 1 1971 36.264 33.930 2.334 0.000 0.000 2 2017 46 ------30.831 25.337 5.494 17.82 5.972 0.597

HATNUR RESERVOIR Name of District :Jalgaon Name of Basin : Tapi Name of River :Tapi Year of impoundment : 1982

Year of Survey : 2017 Catchment Area :29430.00 sq km. MDDL :207.700 m FRL : 214.000 m

Technique of survey : SRS Live storage covered = 227.200Mm3 (89.10%) As per Studied storage Observed Rate of Reservoir Capacity (Mcum) Loss in ( Mcum ) Siltation Capacity Percentage Sr. Year of Periods Revised Design Live since Loss in No. Survey ( Years ) Gross Live Dead Live storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as km/ yr Study (Mcum) per survey 1 2 3 4 5 6 7 8 9 10 11 12 1 1982 388.000 255.000 133.000 0.000 0.000 2 2017 35 ------227.200 103.504 123.696 54.44 1.20 0.120

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KATEPURNA RESERVOIR Name of District :Akola Name of Basin : Tapi Name of River :Katepurna Year of impoundment : 1970

Year of Survey : 2012 Catchment Area :514.000 sq km. MDDL : 337.410 m FRL : 347.781 m

Technique of survey : SRS Live storage covered = 56.751 Mm3 (65.75%) As per Studied storage Observed Rate of Reservoir Capacity (Mcum) Loss in ( Mcum ) Siltation Capacity Percentage Sr. Year of Periods Revised Design Live since Loss in No. Survey ( Years ) Gross Live Dead Live storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as km/ yr Study (Mcum) per survey 1 2 3 4 5 6 7 8 9 10 11 12 1 1970 97.670 86.320 11.350 0.000 0.000 2 2012 42 ------56.751 53.002 3.749 6.61 1.74 0.174

MALANGAON RESERVOIR Name of District :Dhule Name of Basin : Tapi Name of River : Panzara Year of impoundment : 1968

Year of Survey : 2017 Catchment Area :86.00 sq km. MDDL : 552.110 m FRL : 561.280 m

Technique of survey : SRS Live storage covered = 10.566 Mm3 (93.25%) As per Studied storage Observed Rate of Reservoir Capacity (Mcum) Loss in ( Mcum ) Siltation Capacity Percentage Sr. Year of Periods Revised Design Live since Loss in No. Survey ( Years ) Gross Live Dead Live storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as km/ yr Study (Mcum) per survey 1 2 3 4 5 6 7 8 9 10 11 12 1 1968 13.030 11.330 1.700 0.000 0.000 2 2016-17 49 ------10.566 9.735 0.831 7.865 1.97 0.197

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MANYAD RESERVOIR Name of District :Jalgaon Name of Basin : Tapi Name of River : Manyad Year of impoundment : 1974

Year of Survey : 2017 Catchment Area :913.00 sq km. MDDL : 365.650 m FRL : 375.510 m

Technique of survey : SRS Live storage covered = 39.985 Mm3 (99.292 %) As per Studied storage Observed Rate of Reservoir Capacity (Mcum) Loss in ( Mcum ) Siltation Capacity Percentage Sr. Year of Periods Revised Design Live since Loss in No. Survey ( Years ) Gross Live Dead Live storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as km/ yr Study (Mcum) per survey 1 2 3 4 5 6 7 8 9 10 11 12 1 1974 53.950 40.270 13.680 0.000 0.000 2 2017 43 ------39.985 34.140 5.85 14.63 1.49 0.149

MORNA RESERVOIR Name of District :Akola Name of Basin : Tapi Name of River :Morna Year of impoundment : 1970

Year of Survey : 2012 Catchment Area :184.000 sq km. MDDL : 353.870 m FRL : 366.970 m

Technique of survey : SRS Live storage covered = 37.732 Mm3 (91.01%) As per Studied storage Observed Rate of Reservoir Capacity (Mcum) Loss in ( Mcum ) Siltation Capacity Percentage Sr. Year of Periods Revised Design Live since Loss in No. Survey ( Years ) Gross Live Dead Live storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as km/ yr Study (Mcum) per survey 1 2 3 4 5 6 7 8 9 10 11 12 1 1970 44.740 41.460 3.280 0.000 0.000 2 2012 42 ------37.732 24.373 13.359 35.4 17.29 1.729

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NALGANGA RESERVOIR Name of District :Buldhana Name of Basin : Tapi Name of River :Nalganga Year of impoundment : 1963

Year of Survey : 2017 Catchment Area :315.960 sq km. MDDL : 280.720 m FRL : 294.440 m

Technique of survey : SRS Live storage covered = 64.280 Mm3 (92.73%) As per Studied storage Observed Rate of Reservoir Capacity (Mcum) Loss in ( Mcum ) Siltation Capacity Percentage Sr. Year of Periods Revised Design Live since Loss in No. Survey ( Years ) Gross Live Dead Live storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as km/ yr Study (Mcum) per survey 1 2 3 4 5 6 7 8 9 10 11 12 1 1963 71.860 69.320 2.541 0.000 0.000 2 2017 54 ------64.280 52.630 11.650 18.13 6.83 0.683

NIRGUNA RESERVOIR Name of District :Akola Name of Basin : Tapi Name of River :Nirguna Year of impoundment : 1975

Year of Survey : 2012 Catchment Area :195.550 sq km. MDDL : 379.800 m FRL : 391.400 m

Technique of survey : SRS Live storage covered = 26.309 Mm3 (91.19%) As per Studied storage Observed Rate of Reservoir Capacity (Mcum) Loss in ( Mcum ) Siltation Capacity Percentage Sr. Year of Periods Revised Design Live since Loss in No. Survey ( Years ) Gross Live Dead Live storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as km/ yr Study (Mcum) per survey 1 2 3 4 5 6 7 8 9 10 11 12 1 1975 32.290 28.850 3.440 0.000 0.000 2 2012 37 ------26.309 22.461 3.848 14.63 5.32 0.532

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PALDHAG RESERVOIR Name of District :Buldana Name of Basin : Tapi Name of River :Vishvganga Year of impoundment : 1978

Year of Survey : 2016 Catchment Area :88.270 sq km. MDDL :396.000 m FRL : 403.200 m

Technique of survey : SRS Live storage covered = 7.070 Mm3 (94.14%) As per Studied storage Observed Rate of Reservoir Capacity (Mcum) Loss in ( Mcum ) Siltation Capacity Percentage Sr. Year of Periods Revised Design Live since Loss in No. Survey ( Years ) Gross Live Dead Live storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as km/ yr Study (Mcum) per survey 1 2 3 4 5 6 7 8 9 10 11 12 1 1978 9.140 7.510 1.630 0.000 0.000 2 2016 39 ------7.070 6.420 0.650 9.19 1.89 0.189

PANZARA RESERVOIR Name of District :Dhule Name of Basin : Tapi Name of River :Panzara Year of impoundment : 1994

Year of Survey : 2017 Catchment Area :215.140 sq km. MDDL :532.000 m FRL : 545.500 m

Technique of survey : SRS Live storage covered = 29.987 Mm3 (84.16%) As per Studied storage Observed Rate of Reservoir Capacity (Mcum) Loss in ( Mcum ) Siltation Capacity Percentage Sr. Year of Periods Revised Design Live since Loss in No. Survey ( Years ) Gross Live Dead Live storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as km/ yr Study (Mcum) per survey 1 2 3 4 5 6 7 8 9 10 11 12 1 1994 43.410 35.630 7.780 0.000 0.000 2 2017 23 ------29.987 27.191 2.796 9.32 5.65 0.565

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RANGAWALI RESERVOIR Name of District :Nandurbar Name of Basin : Tapi Name of River :Rangawali Year of impoundment : 1991

Year of Survey : 2017 Catchment Area :99.200 sq km. MDDL :215.450 m FRL : 225.500 m

Technique of survey : SRS Live storage covered = 12.8322 Mm3 (89.85 %) As per Studied storage Observed Rate of Reservoir Capacity (Mcum) Loss in ( Mcum ) Siltation Capacity Percentage Sr. Year of Periods Revised Design Live since Loss in No. Survey ( Years ) Gross Live Dead Live storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as km/ yr Study (Mcum) per survey 1 2 3 4 5 6 7 8 9 10 11 12 1 1991 15.020 12.890 2.130 0.000 0.000 2 2017 26 ------12.8322 12.375 0.457 3.56 1.772 0.1772

SHAHANUR RESERVOIR Name of District :Amravati Name of Basin : Tapi Name of River :Shahanur Year of impoundment : 1990

Year of Survey : 2014 Catchment Area :139.190 sq km. MDDL : 415.700 m FRL : 449.500 m

Technique of survey : SRS Live storage covered = 31.220 Mm3 (67.81%) As per Studied storage Observed Rate of Reservoir Capacity (Mcum) Loss in ( Mcum ) Siltation Capacity Percentage Sr. Year of Periods Revised Design Live since Loss in No. Survey ( Years ) Gross Live Dead Live storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as km/ yr Study (Mcum) per survey 1 2 3 4 5 6 7 8 9 10 11 12 1 1990 47.850 46.040 1.810 0.000 0.000 2 2014 24 ------31.220 27.401 3.819 12.23 11.43 1.143

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SUKI RESERVOIR Name of District :Jalgaon Name of Basin : Tapi Name of River :Suki Year of impoundment : 1976

Year of Survey : 2015 Catchment Area :366.500 sq km. MDDL : 358.350 m FRL : 372.000 m

Technique of survey : SRS Live storage covered = 18.960 Mm3 (47.58%) As per Studied storage Observed Rate of Reservoir Capacity (Mcum) Loss in ( Mcum ) Siltation Capacity Percentage Sr. Year of Periods Revised Design Live since Loss in No. Survey ( Years ) Gross Live Dead Live storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as km/ yr Study (Mcum) per survey 1 2 3 4 5 6 7 8 9 10 11 12 1 1976 50.160 39.850 10.310 0.000 0.000 2 2015 39 ------18.960 12.150 6.810 35.92 4.7644 0.476

SURYA RESERVOIR Name of District :Palghar Name of Basin : Tapi Name of River :Surya Year of impoundment : 1990

Year of Survey : 2016 Catchment Area :203.300 sq km. MDDL : 85.350 m FRL : 118.600 m

Technique of survey : SRS Live storage covered = 187.861 Mm3 (67.98%) As per Studied storage Observed Rate of Reservoir Capacity (Mcum) Loss in ( Mcum ) Siltation Capacity Percentage Sr. Year of Periods Revised Design Live since Loss in No. Survey ( Years ) Gross Live Dead Live storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as km/ yr Study (Mcum) per survey 1 2 3 4 5 6 7 8 9 10 11 12 1 1990 285.310 276.350 8.960 0.000 0.000 2 2016 26 ------187.861 178.869 8.992 4.79 17.0116 1.701

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UMA RESERVOIR Name of District :Akola Name of Basin : Tapi Name of River :Uma Year of impoundment : 1983

Year of Survey : 2016 Catchment Area :129.760 sq km. MDDL :337.250 m FRL : 344.000 m

Technique of survey : SRS Live storage covered = 11.249 Mm3 (96.31%) As per Studied storage Observed Rate of Reservoir Capacity (Mcum) Loss in ( Mcum ) Siltation Capacity Percentage Sr. Year of Periods Revised Design Live since Loss in No. Survey ( Years ) Gross Live Dead Live storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as km/ yr Study (Mcum) per survey 1 2 3 4 5 6 7 8 9 10 11 12 1 1983 14.010 11.680 2.330 0.000 0.000 2 2016 34 ------11.249 13.531 ------

UTAVALI RESERVOIR Name of District :Buldhana Name of Basin : Tapi Name of River :Utavali & Lendi Year of impoundment : 2006

Year of Survey : 2010 Catchment Area :216.44 sq km. MDDL : 360.000 m FRL : 370.500 m

Technique of survey : SRS Live storage covered = 16.970 Mm3 (85.75%) As per Studied storage Observed Rate of Reservoir Capacity (Mcum) Loss in ( Mcum ) Siltation Capacity Percentage Sr. Year of Periods Revised Design Live since Loss in No. Survey ( Years ) Gross Live Dead Live storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as km/ yr Study (Mcum) per survey 1 2 3 4 5 6 7 8 9 10 11 12 1 2006 20.810 19.790 1.020 0.000 0.000 2 2010 4 ------16.970 16.714 0.256 1.51 2.96 0.296

Resources Engineering Center, MERI , Nashik Page 139

WAN RESERVOIR Name of District :Akola Name of Basin :Tapi Name of River :Wan Year of impoundment : 1998

Year of Survey : 2014 Catchment Area : 278.940 sq km. MDDL : 372.500 m FRL : 412.000 m

Technique of survey : SRS Live storage covered = 74.810 Mm3 (86.91%) As per Studied storage Observed Rate of Reservoir Capacity (Mcum) Loss in ( Mcum ) Siltation Capacity Percentage Sr. Year of Periods Revised Design Live since Loss in No. Survey ( Years ) Gross Live Dead Live storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as km/ yr Study (Mcum) per survey 1 2 3 4 5 6 7 8 9 10 11 12 1 1998 90.147 86.070 4.077 0.000 0.000 2 2014 16 ------74.810 62.386 12.424 16.61 27.8 2.78

WANDRI RESERVOIR Name of District :Palghar Name of Basin : Tapi Name of River :Wandri Year of impoundment : 1984

Year of Survey : 2016 Catchment Area :28.530 sq km. MDDL : 27.400 m FRL : 43.600 m

Technique of survey : SRS Live storage covered = 30.907 Mm3 (90.78%) As per Studied storage Observed Rate of Reservoir Capacity (Mcum) Loss in ( Mcum ) Siltation Capacity Percentage Sr. Year of Periods Revised Design Live since Loss in No. Survey ( Years ) Gross Live Dead Live storage Ha.m/100sq storage Under impounding capacity mm/yr Storage Storage Storage capacity as km/ yr Study (Mcum) per survey 1 2 3 4 5 6 7 8 9 10 11 12 1 1984 37.108 35.938 1.170 0.000 0.000 2 2016 32 ------30.907 29.016 1.891 6.12 20.71 2.071

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Table 11 : Hydrological Features for Tapi Basin (Capacity Covered Less than 100%)

Project Name Project Name Features Minimum Maximum

Catchment Area (sq km) Wandri 28.530 Hatnur 29430.00

Estimated silt Rate Nalganga 1.07 Wan 27.80 (Ham/100 sq km/Yrs) Period between two survey Utavali 4 Nalganga 54 ( years )

Design Gross storage (Mm3) Paldhag 9.14 Hatnur 388.00

Estimated Live storage Loss (Mm3) Utavali 0.256 Hatnur 123.696

Percentage lost in Live Storage (%) Utavali 1.51 Hatnur 54.44

Observed Rate of Siltation (mm/yr) Nalganga 0.107 Wan 2.780

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11. GPS DATA COLLECTED DURING GROUND TRUTHING AND LAID ON FCC IMAGE

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Figure 27 : Collected GPS Data Laid on FCC Image of Natuwadi Reservoir, Dist. Ratnagiri

Figure 28 : Collected GPS Data Laid on FCC Image of Mas Reservoir Dist. Buldhana

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Figure 29 : Collected GPS Data Laid on FCC Image of Ujjani Reservoir, Dist. Solapur

Figure 30 : Collected GPS Data Laid on FCC Image of Dnyanganga Reservoir, Dist. Buldhana

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12.0 PHOTOGRAPHS COLLECTED DURING GROUND TRUTH

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Bhatsa Reservoir ( Kokan Basin )

Ujjani Reservoir ( Krishna Basin )

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Darna Reservoir ( Godavari Basin )

Punegaon Reservoir ( Godavari Basin )

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Sedimentation in Hatnur Reservoir ( Tapi Basin )

Sedimentation in Ujjani Reservoir ( Krishna Basin )

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Bhatghar Reservoir ( Krishna Basin )

Tillari Reservoir (Kokan Basin)

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REFERENCES

Compendium on Silting of Reservoirs in India (April 2015 ) – Central Water Commission, New Delhi,

Impact of siltation on the useful life of large reservoirs (Jan. 1997) – Indian National Committeee on Hydrology Secretariat (publication no. INCOH/SAR- 11/97), National Institute of Hydrology, Roorkee.

Capacity of Storage Reservoirs (Revised Edition-1995) – Central Board of Irrigation and Power, New Delhi (publication no. 89)

Report of Reservoir Sedimentation Committee (July-1985) constituted by the Ministry of Agriculture and Irrigation (Department of Irrigation) on 4th February 1978.

I.S 12182 (1987) – Guidelines for Determination of Effects of Sedimentation in Planning and Performance of Reservoirs.

I.S.5477 (Part I):1999- Fixing the Capacities of Reservoirs- Methods, Part-1 General Requirements.

I.S.5477 (Part II):1994- Fixing the Capacities of Reservoirs- Methods, Part-2 Dead Storage.

I.S.5477 (Part III):2002- Fixing the Capacities of Reservoirs- Methods, Part-3 Live Storage.

Life of Reservoir – Technical Report No. 19 (Sept. 1980), Central Board of Irrigation and Power, New Delhi.

The Status Report for the survey year 1974-2010 by Reservoir Sedimentation Survey Division, Maharashtra Engineering Research Institute ,(MERI),Nashik

A comparative study of Remote Sensing and DGPS technique for reservoir capacity assessment: A case study of Bhojapur reservoir, Dist- Nashik, Maharashtra, India. Hydro international conference – 2018 by Santosh Wagh, Makrand Kulkarni, Sharad Bhagat and Rajendra Pawar (2018),

Technical report of capacity estimation using satellite remote sensing for various reservoir, Resources Engineering Centre, MERI, Nashik.

Application of Remote Sensing and DGPS technology in Water Resources Department in Maharashtra. 2nd International conference on Sustainable Water Management. At Pune, on 6-8 Nov.2019. Org.by – Water Resources Department, Govt. of Maharashtra by Mr. Sunil Gaikwad, Mr. Makarand Kulkarni, Mr. Sanjay Deshmukh, Mr. Nagendra Shinde (2019).

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BIBLIOGRAPHY

Reservoir Name Page No. Reservoir Name Page No. A C Aashti 99 Chorkhamara 71 Adan 67 Chulaband 71 Adhala 67 Adol 68 D Alandi 46 Dara 131 Amalnalla 46 Darna 72 Aner 123 Dasve 100 Arunavati 68 Dham 48 Asolamendha 47 Dhom 112 Dimbhe 101 B Dina 72 Barvi 93 Dnyanganga 132 Bhandardara 69 Dudhaganga 101 Bhatghar 99 Bhatsa 93 E Bhojapur 69 Ekburji 73 Bodhalkasa 70 Ekrukh 112 Bor 47 Erai 49 Bori 123 Burai 131 G Gangapur 73 C Gautami 74 Chanakapur 70 Ghod 102 Chandani 100 Ghorazari 74 Chargaon 48 Girja 49 Chilewadi 111 Girna 124 Chitri 111 Goki 75

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Reservoir Name Page No. Reservoir Name Page No. H K Haranbari 124 Khekranalla 54 Hatnur 132 Khindshi (Ramtek) 54 Hetawane 94 Kolar 55 Hivra 125 Koradi 55 Koyna 103 I Kundalika 76 Itiadoh 50 Kurnur 77

J L Jam 50 Lalnalla 77 Jangamhatti 113 Lower Pus 56 Jawalgaon 102 Jayakwadi 51 M Majalgaon 56 K Makardhokra 78 Kadwa 51 Malangaon 133 Kalisarar 75 Manar 57 Kanher 113 Mandohol 78 Kanholibara 52 Mangi 104 Kanoli 125 Manikdoh 104 Kar 52 Manyad 134 Karanjwan 76 Mas 127 Karpara 53 Masoli 57 Karwand 126 Matoba 105 Kasari 114 Mayani 114 Kashyapi 53 Mhaswad 115 Katepurna 133 Modaksagar 90 Kelzar 126 Morna 134 Khadakwasla 103 Mukane 79

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Reservoir Name Page No. Reservoir Name Page No.

M R Mula 79 Radhanagari 106 Mun 127 Rangawali 137 Renapur 61 N Nagyasakya 58 S Nalganga 135 Saikheda 81 Nand (Lower Wunna) 58 Shahanur 137 Natuwadi 94 Shetphal 117 Nazare 115 Siddheshwar 82 Ner 116 Sina 107 Nirguna 135 Sirpur 82 Sonal 83 O Sonwad 128 Ozarkhed 59 Sukhana 83 Suki 138 P Surya 138 Paldhag 136 Palkhed 59 T Panshet 105 Tawarja 61 Panzara 136 Tembhapuri 62 Pawana 116 Terna 62 Pench (Kamathi Khairi) 60 Thokarwadi 117 Pentakli 80 Tillari 95 Pimpalgaon Joge 106 Tisgaon 84 Pothra 60 Totladoh 63 Pujara Tola 80 Punegaon 81

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Reservoir Name Page No. Reservoir Name Page No. U W Ujjani 107 Wadgaon (Lower Wunna) 84 Uma 139 Waghad 85 Upper Pus 63 Waghadi 85 Utavali 139 Waldevi 86 Wan 140 V Wandri 140 Vadaj 118 Warna 119 Varasgaon 108 Veer 118 Y Vihar 90 Yedgaon 108 Yeldari 64 Yeralwadi 119

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ENGINEERS ASSSOCIATED WITH THE PREPARATION OF STATUS REPORT

SHRI. MAKARAND KULKARNI EXECUTIVE ENGINEER

SHRI. SUNIL GAIKWAD SHRI. SANTOSH WAGH SUB DIVISIONAL ENGINEER SUB DIVISIONAL ENGINEER

MS. SHRADDHA KUWAR MS. PRAJAKTA KEDAR ASSISTANT ENGINEER GR – II ASSISTANT ENGINEER GR – II

MS. ANUPRIYA JADHAV SHRI. DINESH NIKAM ASSISTANT ENGINEER GR – II SECTIONAL ENGINEER

MRS. ANITA MORKAR JUNIOR SCIENTIFIC ASSISTANT

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