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Presentation on Environmental Status Report 2013-14 of Nagpur City

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Presentation on Environmental Status Report 2013-14 of Nagpur City Presentation on Environmental Status Report 2013-14 of Nagpur City By Dr. D.G.Battalwar, Manager , Vidharbha Enviro Protection Ltd NAGPUR MUNICIPAL CORPORATION M/s Vidharbha Enviro Protection Ltd Welcome Shri Shyam Wa rdhane [IAS] Hon Municipal Commissioner NMC ,Nagpur Contents of Presentation 1. Introduction 2. Current Environment Scenario –Sector wise i. Air Environment ii. Water Environment iii. Noise Environment iv. Soil Environment v. Solid Waste 3. Environment Management Plan a. Air b. Water c. Noise d. Soil e. Solid Waste 4. Bench Marks [Present and New] 5. Reference 6. About VEPL Introduction 1. Nagpur City Profile 300 Years old city. Nagpur is second greenest city & Geographical center of India. A heritage monument “Zero Milestone of India” located within the city. Known as “Orange City,” is the largest city in Central India. Winter capital of Maharashtra. Connected to all main cities in the country by Air, Rail and Road. Global Connectivity. Health and Educational Hub. Emerging as Cargo Hub. Area - 217.56 Sqkms. Population (2014) - 25 Lacs Water supply - 645 MLD Water pipeline length - 3200 Kms. Sewerage length - 1670 Kms. Strom water drains - 980 Kms. MSW - 700-800 MT/Day Road length - 3947 Kms. Lakes - 11 Nos. Rivers - 3 Nos. 2. Location and Physiographic Features : • Nagpur city is located in Nagpur district in the State of Maharashtra • Nagpur is the administrative headquarters of Nagpur District and Nagpur Division. • Nagpur is situated at 21° 06' N latitude and 79° 03' E longitude and • A mean altitude of 310 meters above sea level and is located at practically the geographical center of India; in fact, the Zero Milestone of India Location Map of Nagpur City in the State of Maharashtra 3.0 Climate • The climate of Nagpur city is characterized by extremely hot summer and a cold winter. • The city experiences tropical climate and record the rise of temperature up to 48 °C in summer season (March to May). • The cold season is from December to February and the mercury drops down to as low as 6 °C to 8 °C. • The southwest monsoon is from June to September while the period October-November constitutes the post-monsoon season. • The avg. annual rainfall for the year 2013 is 114.6 mm and • Max. & min temperatures recorded are 47.9 °C & 12.1 °C Month Temperature in °C Total Rainfall in mm Max. Min. Jan- 13 28 13.5 8.2 Feb-l3 30 15.6 8.3 Mar-13 34 18.5 12.8 Apr-13 45.6 24.9 14.5 May'-13 47.9 26.9 20.3 Jun-l3 38.5 27.3 284.2 Jul- 13 38 25.2 445.3 Aug-13 35.6 23.5 341.4 Sep-13 34.4 21.9 162.2 Oct-13 31.5 18.8 50.5 Nov-13 29.4 15.1 12.8 Dec-13 25.2 13.2 15.4 Wind Rose Diagram Yearly Avg. 34.8 20.3 114.6 Current Environment Scenario of Nagpur City Air Environment • To assess the air quality of Nagpur city a total of 25 sampling locations were selected for air quality sampling depending upon the importance of site and/or sensitive receptors and also based upon previous meteorological observation around the study area. • 10 locations from residential area • 12 locations from commercial area and • 3 locations from industrial area. PM 10 sampling using RDS Sampler at Trimurti Nagar Gaseous Sampling at Manewada Ambient Air Quality Status of Nagpur City Conclusion 3 The average PM 10 concentration varied from 55.0 to 86.2µg/m . The minimum and maximum values of 24 hourly average PM 2.5 concentrations varied in the range of 9.8 – 15.2µg/m 3respectively. The highest concentration was observed at Wadi industrial area which may be due to windblown dust, unpaved road etc. Gaseous Pollutants : The observed average concentration of SO 2 for all monitoring station varied 3 from 9.8 to 15.2µg/m . The average concentration of NO X was observed in the range of 18.3 to 35.7 3 µg/m . The concentrations of SO 2 and NO X were observed below the stipulated standards of NAAQS. The highest concentration was observed at Hingna industrial area among the locations monitored which may be due to largest industrial area at Nagpur city .The observed average concentration of CO for all monitoring stations varies from 0.9 to 2.1 mg/m 3. Heavy Metals in Suspended Particular Matter : Air born particles are important carriers of metals. Some of which possess toxic properties. The concentration and size distributions of trace metals are governed by the nature of emission to the atmosphere, as well as rates of wet and dry deposition, cloud processing, and exchange of air between the boundary layer and the free atmosphere, and chemical transfor mation. Current Environment Scenario of Nagpur City Noise Environment • The objective of survey of noise pollution in and around Nagpur city is to assess the existing levels of noise, being generated by various activities and their impact on the human settlement in Nagpur city. • Noise level monitoring was conducted with a view to establish the baseline status of the noise level in Nagpur city with surrounding area and silence zones . • The background noise levels were measured using the Sound Level Meter [Make-Lutron]. • Noise monitoring was carried out at i. 13 Locations –Residential Area ii. 26 Locations - Commercial Area iii. 8 Locations - Silence /Sensitive Zones Noise Level measurement at Trimurti Nagar Noise Quality Monitoring and Vehicle counting at Burdi (Commercial Area ) Noise Levels at different locations in Nagpur City Residential Area Silent Zones Commercial Area Conclusion: In the residential zone, the noise levels ranged between 58.6 to 79.5 d B (A) during day time and 52.7 to 64.0 d B(A) during night time. Highest noise level was recorded at Chatrapati Square. In the Commercial zone, the noise levels ranged between 62.7 to 88.4d B (A) during day time and 60.2 to 85.3 d B(A) during night time. Highest noise level was recorded at Chatrapati Square. Noise levels were monitored in school, primary health centers and hospitals in Nagpur at silence zone. The noise levels varied from 55.0 to 72.5 dB (A ) during day time and 53.7 to 64.1 dB (A) during night time Current Environment Scenario of Nagpur City Water Environment Water Environment includes : i. Raw Water Quality ii. Drinking Water Quality iii. Ground Water Quality iv. Lake Water Quality v. Waste Water Quality Futala \ Lake River Map of Nagpur city Ambajhari Lake Sakkardara Lake Lake Map of Nagpur city A. Surface Water Quality 1. Surface water was collected and monitored for physico-chemical and bacteriological analysis to get trend in water quality during the period 2013-2014. 2. The overall water quality is indicated by 37 parameters, which gives information for the raw water quality as well as treated water quality of Nagpur city. Existing Water Supply sources of Nagpur City Surface Water Quality Report 2. Drinking (Tap) Water Quality • Nagpur Municipal Corporation (NMC) is supplying drinking water through its distribution system. As a part of health concern, water quality monitoring was carried out at the end of the distribution point i.e. ESR (Elevated Storage Reservoir) • Water samples were collected from 17 locations from different part of the city and analyzed for drinking water parameters as per IS 10500:2012.The quality of drinking water at the consumer end w.r.t. physico-chemical and bacteriological report Conclusion : • From the physico-chemical and bacteriological characteristics of drinking water quality of entire Nagpur city are safe for drinking . Its indicating that local body is very much concern about awareness and water quality. Further NMC maintaining properly all water distribution system. • Furthermore, Daily 3000 tap water samples were collected from all ten zones of Nagpur city for residual chlorine content and it is found that residual chlorine more than 0.2 ppm is presented in more than 97% samples . • Total 600 samples were collected from each zone and analyzed for presence of total coliform and thermo tolerant species Tap Water Quality –Physical Parameters (May-2014 ) Tap Water Quality –Inorganic Parameters (May-2014) Tap Water Quality –Nutrient and Demand Parameters (May-2014) 3. Groundwater Quality • As per the sources data by Central Groundwater Board (CGWB), Nagpur, it is estimated that potential of groundwater availability in Nagpur to be above 25 mcm per year. • The depth of groundwater table varies from 1.65-1.95 m in most of the central part of the city and extends up to 16 m in the peripheral areas • With the increased population growth and developmental activities the demand of water supply will increase tremendously thereby need to tap the groundwater source for potable or non-potable usage. For above facts and uses of ground, it is essential to assess the ground water quality for its suitability for different usages. • Ground water samples were collected during summer 2014 from Nagpur city [19 samples] and analyzed for selected environmental parameters viz Physical, Chemical and bacteriological. Ground water quality characteristics. CONCLUSION 1. DISSOLVED OXYGEN : All the ground water samples have DO as range of 5.2 to 6.4 mg/l. Low DO value is quite natural for ground waters, which are not in much exposure with air environment. 2. CHEMICAL OXYGEN DEMAND (COD): All water samples are indicating very low organic pollution load in terms of COD and all COD values are within the prescribed limit (< 250.0 mg/l) as in IS 2490:1982. 3. DISSOLVED SOLIDS: All 19 ground water samples have Dissolved Solids ranges from 230.0 918.0 mg/l respectively, which are well below prescribed limit of 2000 mg/l as given in IS 10500:2012.
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