Arcview Print

Arcview Print

TIN/TDS Study - Phase 2B of the Santa Ana Watershed Wasteload Allocation Investigation Final Technical Memorandum Prepared for the TIN/TDS Task Force October 2002 Wildermuth WE Environmental, Inc. N/TDS Study Phase 2B Wasteload Allocation Investigation FINAL TECHNICAL MEMORANDUM Prepared for the N/TDS Task Force October 2002 Wildermuth Environmental, Inc. TABLE OF CONTENTS 1. INTRODUCTION .....................................................................................................................1-1 1.1 Summary of Prior Work............................................................................................................1-2 1.2 The Wasteload Allocation Approach........................................................................................1-4 1.3 Scope of Work ..........................................................................................................................1-5 1.4 Report Organization..................................................................................................................1-5 2. MODEL DESCRIPTION AND CALIBRATION ..............................................................................2-1 2.1 Model Origin and Uses .............................................................................................................2-1 2.2 Modeling Goals.........................................................................................................................2-1 2.3 Wasteload Allocation Model ....................................................................................................2-1 2.3.1 Model Organization ...................................................................................................................... 2-1 2.3.2 Rainfall Runoff Process ................................................................................................................ 2-1 2.3.3 Channel and Reservoir Routing ..................................................................................................... 2-3 2.3.4 Computational Time Step and Simulation Period......................................................................... 2-5 2.3.5 Description of Model Data............................................................................................................. 2-5 2.4 Calibration.................................................................................................................................2-8 2.4.1 Calibration Targets....................................................................................................................... 2-8 2.4.2 Surface Water Discharge Calibration........................................................................................... 2-8 2.4.3 TDS and TIN Calibration.............................................................................................................2-10 2.5 Limitation in the Use of the WLAM.......................................................................................2-10 3. BASELINE WASTELOAD ALLOCATION....................................................................................3-1 3.1 Objective of Baseline Wasteload Runs and Modeling Strategy ...............................................3-1 3.2 Planning Assumptions ..............................................................................................................3-1 3.2.1 Non-tributary Discharges ............................................................................................................. 3-1 3.2.2 Prado, San Antonio and Seven Oaks Reservoir Operations ........................................................ 3-1 3.2.3 Prado Wetlands Operations ......................................................................................................... 3-1 3.2.4 Lake Elsinore Discharge................................................................................................................ 3-2 3.2.5 Nitrogen Loss Rate in Streambed Recharge................................................................................... 3-2 3.2.6 Metrics Used to Evaluate the Baseline Wasteload Allocation ....................................................... 3-2 3.3 Results of Baseline Wasteload Allocation ................................................................................3-2 3.3.1 San Timoteo Reaches .................................................................................................................... 3-2 3.3.2Santa Ana River Reaches ............................................................................................................... 3-3 4. NEW WASTELOAD ALLOCATION FOR SAN TIMOTEO CREEK ...................................................4-1 4.1 San Timoteo Creek Simulations ...............................................................................................4-1 5. REFERENCES .......................................................................................................................5-1 PLATES Plate 1 – Drainage Area and Link-Node Network Plate 2 – Land Use Coverage 1993 i Wildermuth Environmental, Inc. TIN/TDS TASK FORCE PHASE 2B WASTELOAD ALLOCATION APPENDICES Appendix A – Tables Summarizing Results of Baseline Wasteload Allocation for 2001 Appendix B – Tables Summarizing Results of Baseline Wasteload Allocation for 2010, Recycling Plans per the 1995 Basin Plan (Baseline 2010A) Appendix C – Tables Summarizing Results of Baseline Wasteload Allocation for 2010, Recycling Plans per Recycling Agencies (Baseline 2010B) Appendix D – Comments and Responses Final ii Wildermuth Environmental, Inc. 10/8/2002 TIN/TDS TASK FORCE PHASE 2B WASTELOAD ALLOCATION LIST OF TABLES 2-1 Rainfall Monitoring Stations Used in the WLAM 2-2 USGS Surface Water Monitoring Stations Used in the WLAM 2-3 1993 Land Use Data Summarized Based on Anderson Landuse Code System 2-4 1993 Land Use Code Conversion 2-5 Land Use Data Summarized Based on WLAM Land Use Code System 2-6 Initial Estimates of Curve Numbers 2-7 TDS and TIN Range From Mountain Watersheds Non-Tributary Discharge and Other Discharges During Calibration Period 2-8 1994/95 through 1998/99 2-9 Calibration Stations 2-10 Flow Calibration Results Statistics 3-1 Recycled Water Production and Proposed Reuse by Surface Water Discharging Recycling Plants 3-2 Recycled Water Reuse in the 1995 Basin Plan 3-3 Alternative Wasteload Allocation Baselines for 2010 3-4 Metrics Evaluated for the Baseline Wasteload Allocation 3-5 TDS and TIN in Flow Below Prado, Year 2001 Baseline 3-6 TDS and TIN in Flow at Mission Boulevard, Year 2001 Baseline 3-7 TDS and TIN in Streambed Percolation in Santa Ana River Reach 3, Year 2001 Baseline 3-8 TDS and TIN in Streambed Percolation in Santa Ana River Reach 4, Year 2001 Baseline 3-9 TDS and TIN in Streambed Percolation in San Timoteo Cr Reach 3, Year 2001 Baseline 3-10 TDS and TIN in Streambed Percolation in San Timoteo Cr Reach 2, Year 2001 Baseline 3-11 TDS and TIN in Flow below Prado, Year 2010 Baseline A 3-12 TDS and TIN in Flow below Prado, Year 2010 Baseline B 3-13 TDS and TIN in Flow at Mission Boulevard, Year 2010 Baseline A 3-14 TDS and TIN in Flow at Mission Boulevard, Year 2010 Baseline B 3-15 TDS and TIN in Streambed Percolation in Santa Ana River Reach 3, Year 2010 Baseline A Final iii Wildermuth Environmental, Inc. 10/8/2002 TIN/TDS TASK FORCE PHASE 2B WASTELOAD ALLOCATION LIST OF TABLES 3-16 TDS and TIN in Streambed Percolation in Santa Ana River Reach 3, Year 2010 Baseline B 3-17 TDS and TIN in Streambed Percolation in Santa Ana River Reach 4, Year 2010 Baseline A 3-18 TDS and TIN in Streambed Percolation in Santa Ana River Reach 4, Year 2010 Baseline B TDS and TIN in Streambed Percolation in San Timoteo Cr Reaches 3 and 4, 3-19 Year 2010 Baseline A TDS and TIN in Streambed Percolation in San Timoteo Cr Reaches 3 and 4, 3-20 Year 2010 Baseline B 3-21 TDS and TIN in Streambed Percolation in San Timoteo Cr Reach 2, Year 2010 Baseline A 3-22 TDS and TIN in Streambed Percolation in San Timoteo Cr Reach 2, Year 2010 Baseline B Estimated Metrics and Corresponding TDS and TIN Objectives for Management Zones Impacted 3-23 by Streambed Recharge Final iv Wildermuth Environmental, Inc. 10/8/2002 TIN/TDS TASK FORCE PHASE 2B WASTELOAD ALLOCATION LIST OF FIGURES 2-1 Link-Node Descretization Example for WLAM 2-2 Rainfall Monitoring Stations Used in the WLAM 2-3 USGS Surface Water Monitoring Stations Used in the WLAM 2-4 SCS Hydrologic Soil Types 2-5 Map Showing Locations of NPDES Stormwater Quality Monitoring Stations 2-6 Estimated Total Dissolved Solid Concentration in Urban Runoff 2-7 Estimated Total Inorganic Nitrogen Concentration in Urban Runoff 2-8 Estimated Total Dissolved Solid Concentration in Mountain Runoff 2-9 Estimated Total Inorganic Nitrogen Concentration in Mountain Runoff 2-10 Comparison of Computed and Historical Discharge Data, San Timoteo Creek near Loma Linda 2-11 Comparison of Computed and Historical Discharge Data, Santa Ana River at E Street 2-12 Comparison of Computed and Historical Discharge Data, Lytle Creek at Colton 2-13 Comparison of Computed and Historical Discharge Data, Santa Ana River at MWD Crossing 2-14 Comparison of Computed and Historical Discharge Data, Temescal Creek above Main Street 2-15 Comparison of Computed and Historical Discharge Data, Chino Creek at Schaefer Avenue 2-16 Comparison of Computed and Historical Discharge Data, Cucamonga Creek near Mira Loma Comparison of Computed and Historical Discharge Data, 2-17 Santa Ana River below Prado Dam, Total Hydrograph Comparison of Computed and Historical Discharge

View Full Text

Details

  • File Type
    pdf
  • Upload Time
    -
  • Content Languages
    English
  • Upload User
    Anonymous/Not logged-in
  • File Pages
    281 Page
  • File Size
    -

Download

Channel Download Status
Express Download Enable

Copyright

We respect the copyrights and intellectual property rights of all users. All uploaded documents are either original works of the uploader or authorized works of the rightful owners.

  • Not to be reproduced or distributed without explicit permission.
  • Not used for commercial purposes outside of approved use cases.
  • Not used to infringe on the rights of the original creators.
  • If you believe any content infringes your copyright, please contact us immediately.

Support

For help with questions, suggestions, or problems, please contact us