Water Quality Reports, and Entry Into Computerized Databases (I.E
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STATE OF MISSISSIPPI WATER QUALITY ASSESSMENT 1998 Pursuant to Section 305(b) of the Clean Water Act Prepared by the Mississippi Department of Environmental Quality Office of Pollution Control P. O. Box 10385 Jackson, Mississippi 39289-0385 May, 1999 ACKNOWLEDGMENTS Mississippi's 1998 Water Quality Assessment Report was prepared by the Office of Pollution Control of the Mississippi Department of Environmental Quality pursuant to Section 305(b) of the Federal Clean Water Act. The report was the immediate responsibility of the Surface Water Division's Water Quality Assessment Branch. In addition to the Water Quality Assessment Branch, personnel of the Field Services Division, Laboratory, Groundwater Division, Hazardous Waste Division, and others within the Surface Water Division contributed to the report. The purpose of the report is to describe the most recently known status of the quality of the State's waters. The cover photo (Choctaw Lake, near Ackerman) was taken by Jennifer Griffin, of the Environmental Resource Center (ERC). A copy of this report may be obtained by contacting: Betty Smith ERC Freedom of Information Officer Mississippi Department of Environmental Quality P.O. Box 20305 Jackson, MS 39289-1305 Fax: (601) 354-6356 E-Mail: [email protected] ii TABLE OF CONTENTS ACKNOWLEDGMENTS............................................................ ii TABLE OF CONTENTS......................................................... iii TABLE OF TABLES............................................................. x TABLE OF FIGURES........................................................... xi PART I EXECUTIVE SUMMARY/OVERVIEW.................................................. 1 EXECUTIVE SUMMARY/OVERVIEW.................................................. 2 BACKGROUND AND PURPOSE ................................................... 2 TOTAL WATERS ............................................................. 2 Assessment Methodology ................................................. 3 Assessment Methodology - Monitored Assessments ......................... 3 Assessment Methodology - Evaluated Assessments ......................... 4 Assessment Methodology - Basin Assessments and Maps .................... 5 Section 303(d) Waters .................................................. 5 Use Support Summary .................................................... 6 Causes and Sources of Impairment of Designated Uses .................... 8 WATER POLLUTION CONTROL PROGRAMS ......................................... 9 Surface Water Division ................................................. 9 Point Source Control Program ........................................... 9 Nonpoint Source Control Program ....................................... 10 Basinwide Approach to Water Quality Management ........................ 11 Emergency Pollution Control ........................................... 11 Wetlands Protection Activities ........................................ 12 Ground Water Protection Program ....................................... 13 SURFACE WATER MONITORING PROGRAM ........................................ 13 Objectives ............................................................ 13 Monitoring Strategy ................................................... 14 Ambient Fixed Station Monitoring ...................................... 14 Primary Fixed Station Monitoring Network .............................. 15 Ambient Biological and Fish Tissue Monitoring ......................... 15 Basin Fixed Station Monitoring Network ................................ 16 Intensive Surveys and Special Studies ................................. 16 WLA Investigations/Biological Assessments Below Point Source Discharges ....................................... 17 Source Compliance and Environmental Damage Assessment Monitoring ...... 17 GROUND WATER ASSESSMENT ................................................. 18 Assessment Methodology ................................................ 18 Ground Water Monitoring Program ....................................... 18 Mississippi River Valley Alluvial Aquifer ............................. 19 Paleozoic Aquifer System, Coffee Sand Aquifer, and Ripley Aquifer ..... 20 Ground Water Quality .................................................. 20 SPECIAL STATE CONCERNS .................................................. 20 RECOMMENDATIONS ......................................................... 21 PART II BACKGROUND................................................................. 22 BACKGROUND................................................................. 23 BACKGROUND AND PURPOSE..................................................... 23 TOTAL WATERS ............................................................ 23 WATER POLLUTION CONTROL PROGRAMS ........................................ 25 Surface Water Division ................................................ 25 Water Quality Management Branch ....................................... 26 iii Water Quality Assessment Branch ....................................... 26 Municipal Permit Compliance Branch .................................... 27 Commercial Control Branch ............................................. 28 Data Control Branch ................................................... 28 Field Services Division ............................................... 28 Emergency Response Branch ............................................. 29 Basinwide Approach to Water Quality Management ........................ 29 Water Quality Standards Program ....................................... 33 Point Source Control Program .......................................... 33 NPDES Permits ......................................................... 33 State Operating Permits ............................................. 34 Pretreatment Permits ................................................ 34 Dredge and Fill Permits ............................................. 34 Whole Effluent Toxicity (WET) Testing and Monitoring ................ 35 Environmental Improvements Due to Point Source Controls ............. 35 Nonpoint Source Control Program ....................................... 36 BMP Effectiveness Demonstration Projects ............................ 38 New BMP Technology Projects ......................................... 41 Monitoring/Assessment Projects ...................................... 41 Water Quality Education Projects .................................... 41 COST/BENEFIT ASSESSMENT ................................................. 42 SPECIAL STATE CONCERNS .................................................. 42 Specific State Concerns ............................................... 43 Mississippi Gulf Coast .............................................. 43 Agricultural Impacts ................................................ 44 Escatawpa River near Moss Point ..................................... 44 Mercury Contamination in Fish Tissue from Surface Waters ............ 45 Lower Pearl River ................................................... 45 Tallahala Creek Below Laurel ........................................ 45 Other State Water Quality Concerns .................................. 46 Resource Concerns ................................................... 46 RECOMMENDATIONS ......................................................... 48 PART III SURFACE WATER ASSESSMENT................................................... 49 CHAPTER ONE SURFACE WATER MONITORING PROGRAM ............................ 50 Objectives ............................................................ 50 Monitoring Strategy ................................................... 50 Ambient Fixed Station Monitoring Network .............................. 50 Primary Fixed Station Monitoring Network ............................ 51 Ambient - Physical/Chemical/Bacteriological Monitoring .............. 53 Ambient Biological and Fish Tissue Monitoring..................... 55 Biological Monitoring - 1995 ................................... 57 Biological Monitoring B1996 .................................... 58 Biological Monitoring-1997 ..................................... 60 Basinwide Approach Pilot Study - Pascagoula River Basin (1997)........................... 60 Biological Monitoring-1998 ..................................... 60 Basinwide Approach Studies-1998 ................................ 60 Northern Independent Streams Basin ............................. 60 Tennessee River Basin .......................................... 61 Southern Coastal Streams Basin ................................. 61 Biological Criteria Development ....................................... 61 Basin Fixed Station Monitoring Network .............................. 62 Intensive Surveys and Special Studies ................................. 64 Model Calibration/Verification Surveys for WLA and TMDL Development...................................... 65 WLA Investigation Studies/Biological Assessments Below Point Source Discharges..................................... 65 Special Water Quality Studies for Parameters of Concern .............. (Dioxin, Mercury, Bacteria, etc.) ................................... 68 iv Source Compliance and Environmental Damage Assessment Monitoring ...... 68 Source Compliance Monitoring .......................................... 69 NPDES Permit Compliance Monitoring .................................. 69 Facility/Permittee In-Stream Monitoring ............................. 69 Environmental Damage Assessment Monitoring .........................