2017 Report MS4 Annual - doee

[Pages:129]2017 MS4 Annual Report

Municipal Separate Storm Sewer System

NPDES Permit No. DC0000221

Nash Run Stream Restoration and Trash Trap Photo by Josh Burch, DOEE

Prepared by:

Department of Energy & Environment

Tommy Wells, Director

Printed on 100% Recycled Paper

NPDES Permit No. DC0000221 January 23, 2018

2017 Annual Report i

Table of Contents

Table of Contents ...................................................................................................................................... i List of Acronyms and Abbreviations ....................................................................................................... v List of Tables .........................................................................................................................................vii List of Figures ......................................................................................................................................... ix List of Attachments .................................................................................................................................. x 1 Introduction....................................................................................................................................... 1 1.1 Background ...................................................................................................................... 1 1.2 Authorized Discharges..................................................................................................... 1 1.3 Limitations of Coverage .................................................................................................. 1 1.4 Discharge Limitations ...................................................................................................... 2 2 Legal Authority, Resources and Stormwater Program Administration ............................................ 3 2.1 Legal Authority................................................................................................................ 3 2.2 Fiscal Resources............................................................................................................... 4 2.3 Stormwater Management Program Administration and Permitee Responsibility ........... 8 3 StormWater Management Program (SWMP) Plan ......................................................................... 11 4 Implementation of stormwater control measures ............................................................................ 13 4.1 Standard for Long-Term Stormwater Management....................................................... 13

4.1.1 Standards for Stormwater Discharges from Development ..................................... 13 4.1.2 Code and Policy Consistency, Site Plan Review, Verification and Tracking ........ 15 4.1.3 Off-Site Mitigation and/or Fee-in-Lieu .................................................................. 17 4.1.4 Green Landscaping Incentives Program ................................................................. 34 4.1.5 Retrofit Program for Existing Discharges............................................................... 41 4.1.6 Tree Canopy............................................................................................................ 45 4.1.7 Green Roof Projects ................................................................................................ 46 4.2 Operation and Maintenance of Stormwater Capture Practices ...................................... 48 4.2.1 District Owned and Operated Practices .................................................................. 48 4.2.2 Non-District Owned and Operated Practices .......................................................... 48 4.2.3 Stormwater Management Guidebook and Training................................................ 48 4.3 Management of District Government Areas .................................................................. 49 4.3.1 Sanitary Sewage System Maintenance Overflow and Spill Prevention Response . 49 4.3.2 Public Construction Activities Management .......................................................... 49

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4.3.3 Vehicle Maintenance / Material Storage Facilities / Municipal Operations ........... 50 4.3.4 Landscape and Recreation Facilities Management, Pesticide, Herbicide, Fertilizer

and Landscape Irrigation ........................................................................................ 50 4.3.5 Storm Drain System Operation and Management and Solids and Floatables

Reduction................................................................................................................ 53 4.3.6 Streets, Alleys, and Roadways................................................................................ 55 4.3.7 Infrastructure Maintenance / Pollution Source Control Maintenance .................... 59 4.3.8 Public Industrial Activities Management / Municipal and Hazardous Facilities ... 61 4.3.9 Emergency Procedures............................................................................................ 63 4.3.10 Municipal Official Training .................................................................................... 63 4.4 Management of Commercial and Institutional Areas .................................................... 63 4.4.1 Inventory of Critical Sources and Source Controls ................................................ 64 4.4.2 Inspection of Critical Sources ................................................................................. 64 4.4.3 Compliance Assurance............................................................................................ 64 4.5 Management of Industrial Facilities and Spill Prevention............................................. 65 4.5.1 Industrial Facilities Program................................................................................... 65 4.5.2 Industrial Facilities Database .................................................................................. 65 4.5.3 On-Site Assistance .................................................................................................. 66 4.5.4 Illicit Discharge and Spill Prevention ..................................................................... 67 4.5.5 Program Progress .................................................................................................... 67 4.6 Management of Construction Activities ........................................................................ 67 4.6.1 Program Implementation ........................................................................................ 67 4.6.2 Review and Approval Process for Sediment and Erosion Control Plans ............... 67 4.6.3 Inspection and Enforcement Procedures................................................................. 68 4.6.4 Erosion and Sediment Control Enforcement .......................................................... 69 4.6.5 Education and Outreach for Construction Site Operators....................................... 69 4.6.6 Progress in the Construction Program .................................................................... 69 4.7 Management of Illicit Discharges and Improper Disposal ............................................ 70 4.7.1 Illicit Discharges Detection and Elimination Program ........................................... 70 4.7.2 Soils and Floatables Program.................................................................................. 71 4.7.3 Proper Disposal of Household Waste ..................................................................... 71

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4.7.4 Coal Tar Ban Enforcement ..................................................................................... 75 4.7.5 Anacostia Clean Up and Protection Act Enforcement............................................ 75 4.7.6 Foam Ban ................................................................................................................ 76 4.8 Flood Control Projects ................................................................................................... 77 4.9 Public Education and Participation ................................................................................ 78 4.9.1 Education and Outreach .......................................................................................... 79 4.9.2 Measurement of Impacts......................................................................................... 79 4.9.3 Recordkeeping ........................................................................................................ 79 4.9.4 Public Involvement and Participation ..................................................................... 79 4.10 Total Maximum Daily Load Wasteload Allocation Planning and Implementation ...... 85 4.10.1 Anacostia River Watershed Trash TMDL Implementation .................................... 85 4.10.2 Hickey Run TMDL Implementation....................................................................... 93 4.10.3 Consolidated TMDL Implementation Plan............................................................. 93 5 Monitoring and Assessment Controls ............................................................................................. 94 5.1 Revised Monitoring Program Development Status ....................................................... 94 5.2 Interim Monitoring......................................................................................................... 95 5.2.1 Wet Weather Discharge Monitoring ....................................................................... 95 5.2.2 Storm Event Data .................................................................................................. 104 5.2.3 Sample type, Collection, and Analysis ................................................................ 105 5.2.4 Sampling Waiver .................................................................................................. 106 5.2.5 Trash Monitoring .................................................................................................. 106 5.3 Dry Weather Monitoring.............................................................................................. 108 5.3.1 Dry Weather Screening Program .......................................................................... 108 5.3.2 Screening Procedures............................................................................................ 109 5.3.3 Follow-up on Dry Weather Screening Results ..................................................... 109 5.4 Area and Source Identification Program...................................................................... 109 5.5 Flow Measurements ..................................................................................................... 112 5.6 Monitoring and Analysis Procedures........................................................................... 113 5.7 Reporting of Monitoring Results ................................................................................. 114 5.8 Additional Monitoring ................................................................................................. 114 5.9 Retention of Monitoring Information .......................................................................... 114

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5.10 Record Content ............................................................................................................ 114 6 Reporting Requirements ............................................................................................................... 114 6.1 Discharge Monitoring Report ...................................................................................... 115 6.2 Annual Reporting......................................................................................................... 115

6.2.1 Annual Report ....................................................................................................... 115 6.2.2 Annual Report Meeting......................................................................................... 115 7 Modeling ....................................................................................................................................... 116 8 Attachments .................................................................................................................................. 117

List of Acronyms and Abbreviations

AFF

Alice Ferguson Foundation

AWS

Anacostia Watershed Society

BMP

Best Management Practice

CERCLA

Comprehensive Environmental Response, Compensation, and Liability Act

CSS CWC CWSRF CWP

Combined Sewer System Clean Water Construction Program Clean Water State Revolving Fund Center for Watershed Protection

DCMR DCPS DCRA

District of Columbia Municipal Regulations District of Columbia Public Schools Department of Consumer and Regulatory Affairs

DDOE DOEE DDOT DGS DPR DPW

District Department of the Environment Department of Energy and Environment District Department of Transportation Department of General Services Department of Parks and Recreation Department of Public Works

EPA

United States Environmental Protection Agency

FEMA FIRM FY

Federal Emergency Management Agency Flood Insurance Rate Map Fiscal Year (October?September)

GAR GIS

Green Area Ratio Geographic Information System

ILF IPM IPMT

In-Lieu Fee Integrated Pest Management Implementation Modeling Tool

LID

Low Impact Development

MWEE MOU MS4

Meaningful Watershed Education Experience Memorandum of Understanding Municipal Separate Storm Sewer System

NGO NOI

Non-Governmental Organization Notice of Infraction

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2017 Annual Report vi

NOV NPDES

Offv O&M

P2 Permit PROW

QAPP

RCRA

SOP SRC SWAP SWEEP SWMP SWPPP SWRv

TMDL TWG

WLA

Notice of Violation National Pollutant Discharge Elimination System

Off-Site Volume Operation and Maintenance

Pollution Prevention National Pollutant Discharge Elimination System Permit Public Right-of-Way

Quality Assurance Program Plans

Resource Conservation and Recovery Act

Standard Operating Procedure Stormwater Retention Credit Stormwater Advisory Panel Solid Waste Education and Enforcement Program Stormwater Management Plan Stormwater Pollution Prevention Plan Stormwater Retention Volume

Total Maximum Daily Load Technical Working Group

Wasteload Allocation

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