NPDES MS4 Annual Report 2018

This Annual Report was assembled to detail the activities in Anne Arundel County for the County and State Fiscal Year (FY) beginning July 1, 2017 and ending June 30, 2018. These activities demonstrate compliance with the National Pollutant Discharge Elimination System (NPDES) Municipal Separate Storm Sewer System (MS4) permit terms provided by 40 CFR 122.42(c). It describes the components of the stormwater management program and the associated implementation status. The County proposes no revision to the program at this time.

This report also summarizes the monitoring programs implemented by Anne Arundel County, including data collection and analysis.

On February 12, 2014, the County was issued a new, Fourth-Generation, NPDES MS4 Permit. This report is the fifth Annual Report prepared under that permit.

NPDES MS4 Annual Report 2018

Appendix A

FY18 MS4 Geodatabase (Zip)

FY19 MS4 Geodatabase (Zip)

Stormwater Infrastructure Geodatabase (Zip)

Industrial and Commercial Sources Geodatabase (Zip)

Appendix B

The County Stormwater Management Practices and Procedures Manual Revision - MDE Review

Stormwater Management Program Evaluation - MDE Review

Appendix C

Chemical, Biological, and Physical Characterization of the Church Creek and Parole Plaza NPDES Monitoring Stations: 2017-2018

Appendix D

Biological and Geomorphological Conditions in the Picture Spring Branch Subwatershed: 2017-2018

Appendix E

Illicit Discharge Detection and Elimination – 2018 Annual Report

Appendix F

Litter and Floatables Comprehensive Plan 

Appendix G

Anne Arundel County Property Management Program Review - MDE - 9/18/18

MDE Reclassification Letter - WMS

Stormwater Management Program Evaluation - MDE Review

Bureau of Utilities

Annapolis Water Reclamation Facility

Annapolis WRF Comprehensive Site Inspection

Annapolis WRF Quarterly Inspection

Anne Arundel Utilities Operations Center

Utility Operation Center Annual Comprehensive Review

Broadneck Water Reclamation Facility

Broadneck WRF Comprehensive Site Inspection

Broadneck WRF Quarterly Inspection

Broadwater Water Reclamation Facility

Broadwater WRF Comprehensive Site Inspection

Broadwater WRF Quarterly Inspection

Cox Creek Water Reclamation Facility

Cox Creek WRF Comprehensive Site Inspection

Cox Creek WRF Quarterly Inspection

Maryland City Water Reclamation Facility

Maryland City WRF Comprehensive Site Inspection

Maryland City WRF Quarterly Inspection

Patuxent Water Reclamation Facility

Patuxent WRF Comprehensive Site Inspection 2017

Patuxent WRF Comprehensive Site Inspection 2018

Patuxent WRF Quarterly Inspection

Bureau of Waste Management

WMS Annual Comprehensive Site Compliance Evaluation Inspections-3 Facilities

WMS Quarterly Routine Stormwater Inspection Reports

WMS to MDE - Updated NOI's 06/19/2018 - General Forms

WMS to MDE - Updated NOI's 06/19/2018

Millersville Landfill and Resource Recovery Facility

WMS MLRRF Annual Comprehensive Site Report

WMS MLRRF Quarterly Routine Stormwater Inspection Reports

WMS to MDE - Updated NOI's 06/19/ 2018 - MLRRF

Northern Recycling Center

WMS NRC Annual Comprehensive Site Report

WMS NRC Quarterly Routine Stormwater Inspection Reports

WMS to MDE - Updated NOI's 06/19/2018 - NRC

Southern Recycling Center

WMS SRC Annual Comprehensive Site Report

WMS SRC Quarterly Routine Stormwater Inspection Reports

WMS to MDE - Updated NOI's 06/19/2018 - SRC

Bureau of Highways

Central District Roads Yards

2018 SWPPP Annual Inspection - Crownsville 

2018 SWPPP Annual Inspection - Odenton 

2018 SWPPP Annual Inspection - St. Margarets

Northern District Roads Yards

2018 SWPPP Annual Inspection - Dover

2018 SWPPP Annual Inspection - Mountain Road

Southern District Roads Yards

2018 SWPPP Annual Inspection - Davidsonville 

2018 SWPPP Annual Inspection - Friendship

Appendix H

Impervious Baseline Revision - February 2019v1

Appendix A - Impervious Surface - May 26, 2015

Impervious Area Assessment Report & Appendices - Final - May 26, 2015 web

Anne Arundel NPDES Impervious Assessment Geodatabase (Zip)

Maps

Map 3 - Overall Zoning

Map 4 - Zoning RA

Map 5 - RLD

Map 6 - Bodkin Creek

Map 7 - Herring Bay

Map 8 - Little Patuxent

Map 9 - Lower Patuxent

Map 10 - Magothy

Map 11 - Middle Patuxent

Map 12 - Patapsco Non-Tidal

Map 13 - Patapsco Tidal

Map 14 - Rhode River

Map 15 - Severn River

Map 16 - South River

Map 17 - Upper Patuxent

Map 18 - West River

Tables

Calculations For Impervious Credits

Impervious Summary

Septic Systems Tables

Appendix B - 2018 Baseline Impervious  Geodatabase

AA County Baseline Revision Data - 20190211 - FINAL (Zip)

Appendix C - MDE Memorandum on CBP Protocol

MDE - Stream Restoration Crediting Memo - CBP Protocol Method

Appendix I

2018 Annual Bacteria TMDL Assessment Report - FINAL

Baltimore Harbor Watershed Nutrient TMDL Annual Assessment - 2019/01/28

FY2018 Progress Update Curtis Creek and Baltimore Harbor PCB TMDL-FINAL

Little Patuxent Sediment TMDL Annual Assessment - 2019/01/28

MDE 5/11/2018 Comment Letter & TMDL Restoration Plan Approval

Non-Tidal Other West Chesapeake Sediment Restoration Plan - 1/30/19

Patapsco LNB Sediment TMDL Annual Assessment - 2019/01/28

Patuxent River PCB TMDL Plan- 2019/01/29

South River Sediment TMDL Documentation of Achievement

Upper Patuxent Sediment TMDL Annual Assessment - 2019/01/28

Appendix J

Annual Loading-18

MDE Permit Modifications for Nutrient and Sediment Performance-based Credit Trading

Anne Arundel County Trading Letter to MDE - 2/06/2019