Basin Name |
DNR 8-digit Basin Number |
Impairment |
Status |
|---|
| Adkins Pond |
02130203 |
Phosphorus & Sediment |
Approved:
March 27, 2002 |
| Anacostia River |
02140205 |
Bacteria |
Approved:
March 14, 2007 |
| Anacostia River |
02140205 |
Heptachlor Epoxide |
Public Comment Period ended August 13, 2021. |
| Anacostia River (tidal) |
02140205 |
PCBs |
Approved:
Oct. 31, 2007 |
Anacostia River |
02140205 |
Sediment |
Approved:
July 25, 2012 |
| Anacostia River |
02140205 |
Nutrients |
Approved:
June 5, 2008 |
| Anacostia River (non-tidal) |
02140205 |
PCBs |
Approved:
Sept. 30, 2011 |
| Anacostia River |
02140205 |
Trash |
Approved:
Sept. 21, 2010 |
| Antietam Creek |
02140502 |
BOD |
Accepted as Information to delist:
Sept. 16, 2001 |
| Antietam Creek |
02140502 |
Non-tidal Bacteria |
Approved:
October 8, 2009 |
| Antietam Creek |
02140502 |
Nutrients (Phosphorus) |
Approved:
September 25, 2013 |
| Antietam Creek |
02140502 |
Sediment |
Approved:
Dec. 18, 2008 |
| Assawoman Bay |
02130102 |
Bacteria (WQA) |
EPA Concurrence:
May 9, 2005 |
| Assawoman Bay |
02130102 |
Nitrogen and Phosphorus |
Approved:
August 7, 2014 |
| Back Creek (C&D Canal) |
02130604 |
Arsenic, Silver and Cadmium (WQA) |
EPA Concurrence:
Nov. 11, 2005 |
| Back River (Herring Run) |
02130901 |
Non-tidal Bacteria |
Approved:
Dec. 4, 2007 |
| Back River |
02130901 |
Chlordane |
Approved:
Dec. 17, 1999 |
| Back River |
02130901 |
Zinc (WQA) |
EPA Concurrence:
Dec. 23, 2004 |
| Back River |
02130901 |
Nutrients |
Approved:
June 29, 2005 |
| Back River |
02130901 |
PCBs |
Approved:
October 1, 2012 |
| Back River |
02130901 |
Sediments |
Approved:
March 5, 2018 |
| Baltimore Harbor |
02130903 |
Nutrients |
Approved:
Dec. 17, 2007
Revised Final Point Source Technical Memorandum was approved by EPA on November 5, 2018. |
| Baltimore Harbor |
02130903 |
Sediment |
Public comment ended September 22, 2020 |
| Baltimore Harbor |
02130903 |
Chlordane |
Approved:
March 23, 2001 |
| Baltimore Harbor, Marley Creek and Furnace Creek |
02130903 |
Bacteria |
Approved:
March 10, 2011 |
Baltimore Harbor, Northwest Portion |
02130903 |
Chromium (WQA) |
Approved:
June 24, 2014 |
| Baltimore Harbor, Northwest Portion |
02130903 |
Zinc and Lead (WQAs) |
No final determination on impairment:
Jan. 18, 2005 |
| Baltimore Harbor |
02130903 |
PCBs |
Approved:
October 1, 2012 |
| Baltimore Harbor, Middle Branch and Curtis Creek |
02130903 |
Zinc (WQAs) |
Public comment period ends October 12, 2021. |
| Baltimore Harbor, Middle Branch and Northwest Portions |
02130903 |
Trash/Debris |
Approved:
January 5, 2015 |
Bear Creek, Baltimore Harbor |
02130903 |
Chromium (WQA) |
Approved:
June 24, 2014 |
| Bear Creek, Baltimore Harbor |
02130903 |
PCBs |
Approved:
October 1, 2012 |
| Bear Creek |
02130903 |
Zinc (WQA) |
EPA Concurrence:
January 18, 2005 |
| Big Millpond |
02130103 |
Phosphorus & Sediment |
Approved:
April 4, 2002 |
| Big Piney Reservoir |
05020204 |
Mercury |
Approved:
Feb. 18, 2004 |
| Bird River |
02130803 |
Nutrients (WQA) |
EPA Concurrence:
May 9, 2005 |
| Bird River Oligohaline Segment |
02130803 |
PCBs |
Approved:
October 3, 2016 |
| Bodkin Creek |
02130902 |
Lead, Zinc (WQA) |
Approved:
Feb. 20, 2009 |
| Bodkin Creek |
02130902 |
Copper (WQA) |
EPA Concurrence:
January 30, 2013 |
| Bohemia River Oligohaline Segment |
02130602 |
PCBs |
Approved:
March 18, 2011 |
| Bohemia River |
02130602 |
Nutrients |
Approved:
Jan. 29, 2001 |
| Breton Bay |
02140104 |
Bacteria |
Approved:
Nov. 21, 2005 |
| Breton Bay |
02140104 |
Nutrients |
Approved:
Dec. 19, 2005 |
| Broadford Lake |
05020202 |
Phosphorus |
Approved:
March 2, 2000 |
| Broadford Lake |
05020202 |
Mercury in Fish Tissue |
Approved:
Sept. 2, 2004 |
| Bush River |
02130701 |
PCBs |
Approved:
August 2, 2016 |
| Bynum Run |
02130704 |
Nutrients (WQA) |
Approved:
June 12, 2007 |
| Bynum Run |
02130704 |
Sediment |
Approved:
Sept. 30, 2011 |
| C&D Canal Oligohaline Tidal Chesapeake Bay Segment |
02130604 |
PCBs |
Approved:
December 30, 2014 |
| Cabin John Creek |
02140207 |
Bacteria |
Approved:
Mar. 14, 2007 |
| Cabin John Creek |
02140207 |
Sediment |
Approved:
Sept. 30, 2011 |
| Cabin John Creek |
02140207 |
Nutrients (WQA) |
Approved:
Sept. 24, 2009 |
| Casselman River |
05020204 |
Nutrients (WQA) |
EPA Concurrence:
April 12, 2001 |
| Casselman River |
05020204 |
Low pH |
Approved:
April 17, 2008 |
| Catoctin Creek |
02140305 |
Nutrients (Phosphorus) |
Approved:
September 24, 2013 |
| Catoctin Creek |
02140305 |
Sediments |
Approved:
July 31, 2009 |
| Centennial Lake |
02131105 |
Phosphorus & Sediment |
Approved:
April 24, 2002 |
| Cherry Creek (Deep Creek) |
05020203 |
Low pH |
Approved:
Nov. 26, 2003 |
| Chester River, Lower |
02130505 |
Fecal Coliform |
Approved:
June 11, 2008 |
| Chester River, Middle |
02130509 |
Fecal Coliform |
Approved:
June 11, 2008 |
| Chester River, Middle |
02130509 |
Nutrients |
Approved:
Nov. 28, 2006
Revised Point Source Technical Memorandum was approved November 5, 2018. |
| Chester River, Upper |
02130510 |
Nutrients |
Approved:
Nov. 28, 2006
Revised Point Source Technical Memorandum was approved November 5, 2018.
|
| Chester River, Upper |
02130510 |
Sediment |
Approved:
April 8, 2019 |
| Chester River, Upper - Millington Wildlife Management Area Ponds |
02130510 |
Mercury |
Approved:
March 18, 2011 |
| Chester River, Upper - Duck Neck Beach |
02130510 |
Fecal Coliform |
Approved:
March 18, 2011 |
| Chicamicomico River |
02130308 |
Nutrients |
Approved:
February 28, 2001 |
| Chincoteague Bay |
02130106 |
Bacteria (WQA) |
EPA Concurrence:
May 9, 2005 |
| Chincoteague Bay |
02130106 |
Nitrogen and Phosphorus |
Approved:
August 7, 2014 |
| Clopper Lake |
02140208 |
Phosphorus & Sediment |
Approved:
April 4, 2002 |
| Conococheague Creek |
02140504 |
Non-tidal Bacteria |
Approved:
May 7, 2009 |
| Conococheague Creek |
02140504 |
BOD |
Approved:
February 2, 2001 |
| Conococheague Creek |
02140504 |
Sediments |
Approved:
Nov. 24, 2008 |
| Conowingo Dam/Susquehanna River |
02120204 |
Nutrients (WQA) |
EPA Concurrence:
May 18, 2012 |
| Conowingo Dam/Susquehanna River |
02120204 |
Sediments (WQA) |
EPA Concurrence:
May 18, 2012 |
| Corsica River |
02130507 |
Bacteria |
Approved:
Nov. 4, 2005 |
| Corsica River |
02130507 |
Nutrients |
Approved:
May 9, 2000 |
| Corsica River |
02130507 |
PCBs |
Approved:
March 22, 2011 |
| Curtis Creek1 |
02130903 |
Zinc |
Under Development |
| Curtis Creek, Baltimore Harbor |
02130903 |
PCBs |
Approved:
October 1, 2012 |
| Deep Creek Lake |
05020203 |
Mercury |
Approved:
Feb. 18, 2004 |
| Deep Creek Lake |
05020203 |
Nutrients (Phosphorus) WQA |
Approved:
Sept. 9, 2011 |
| Dividing Creek |
02130204 |
Bacteria |
Approved:
April 15, 2009 |
| Double Pipe Creek |
02140304 |
Non-Tidal Bacteria |
Approved:
Dec. 3, 2009 |
| Double Pipe Creek |
02140304 |
Nutrients (Phosphorus) |
Approved:
April 26, 2013 |
| Double Pipe Creek |
02140304 |
Sediments |
Approved:
Feb. 20, 2009 |
| Duck Neck Beach, Chester River |
02130510 |
Bacteria |
Approved:
March 18, 2011 |
| Eastern Bay |
02130501 |
Bacteria |
Approved:
Sept. 27, 2005 |
| Edgewater Village Lake1 |
02130702 |
Nutrients |
UAA to be conducted using the TMDL analysis |
| Elk River Oligohaline Tidal Chesapeake Bay Segment |
02130601 02130603 02130605 |
PCBs |
Approved:
December 30, 2014 |
| Ellis Bay, Lower Wicomico River |
02130301 |
Bacteria |
Approved:
May 20, 2021 |
| Evitts Creek |
02141002 |
WQA of Low pH |
Approved:
Dec. 16, 2005 |
| Evitts Creek |
02141002 |
Nutrients (WQA) |
Approved:
March 15, 2010 |
| Evitts Creek |
02141002 |
Sediment |
Approved:
Jan. 16, 2007 |
| Fairlee Creek |
02130611 |
Nutrients |
Approved:
March 18, 1999 |
| Furnace Creek |
02130903 |
Bacteria |
Approved:
March 10, 2011 |
| Georges Creek |
02141004 |
Bacteria |
Approved:
Sept. 20, 2007
Revised Final Submitted:
August 20, 2009 |
| Georges Creek |
02141004 |
Low pH |
Approved:
April 17, 2008
Revised Final Approved:
February 10, 2011 |
| Georges Creek |
02141004 |
Sediment |
Approved:
Dec. 27, 2006 |
| Georges Creek |
02141004 |
BOD |
Accepted as Information to delist:
Feb. 26, 2002 |
| Greenbrier Lake |
02140502 |
Nutrients (WQA) |
Approved:
Sept. 27, 2005 |
| Gunpowder River Oligohaline Segment |
02130801 |
PCBs |
Approved:
October 3, 2016 |
| Gwynns Falls |
02130905 |
Non-tidal Bacteria |
Approved:
Dec. 4, 2007 |
| Gwynns Falls |
02130905 |
Nutrients (WQA) |
Approved:
March 15, 2010 |
| Gwynns Falls |
02130905 |
Sediments |
Approved:
March 10, 2010
Revised Final documents were available for public comment through October 13, 2015. |
| Honga River |
02130401 |
Bacteria |
Approved:
Jan. 11, 2006 |
| Isle of Wight (Herring and Turville Creeks) |
02130103 |
Bacteria |
Approved:
July 7, 2006 |
| Isle of Wight Bay |
02130103 |
Nitrogen and Phosphorus |
Approved:
August 7, 2014 |
| Johnson Pond |
02130304 |
Phosphorus & Sediments |
Approved:
Feb. 13, 2001 |
| Jones Falls |
02130904 |
Non-tidal Bacteria |
Approved:
Feb. 21, 2008 |
| Jones Falls |
02130904 |
Zinc (WQA) |
EPA Concurrence:
Feb. 20, 2003 |
| Jones Falls |
02130904 |
Copper & Lead (WQAs) |
EPA Concurrence:
Dec. 2, 2004 |
| Jones Falls |
02130904 |
Nutrients (WQA) |
Approved:
March 15, 2010 |
| Jones Falls |
02130904 |
Sediments |
Approved:
Sept. 29, 2011 |
| Kent Island Bay |
02130511 |
Bacteria (WQA) |
EPA Concurrence:
May 9, 2005 |
| Kent Narrows/ Prospect Bay (Wells Cove) |
02130504 |
Bacteria |
Approved:
August 2, 2006 |
| Lake Bernard Frank |
02140206 |
Nutrients (WQA) |
EPA Concurrence:
January 22, 2003 |
| Lake Habeeb |
02141002 |
Nutrients (WQA) |
EPA Concurrence:
November 3, 2016 |
| Lake Lariat |
02131101 |
Mercury |
Approved:
Jan. 27, 2004 |
| Lake Linganore |
02140302 |
Phosphorus & Sediment |
Approved:
May 13, 2003 |
| Lake Roland |
02130904 |
Chlordane |
Approved:
March 23, 2001 |
| Lake Roland |
02130904 |
PCBs |
Approved:
June 30, 2014 |
| Langford Creek (tidal portion) |
02130506 |
Nutrients (WQA) |
EPA Concurrence:
January 22, 2003 |
| Langford Creek |
02130506 |
Bacteria (WQA) |
EPA Concurrence:
May 9, 2005 |
| Liberty Reservoir |
02130907 |
Phosphorus and Sediments |
Approved:
May 7, 2014
Revised Point Source
Technical Memorandum
was accepted on November 13, 2017. |
| Liberty Reservoir |
02130907 |
Mercury (WQA) |
EPA Concurrence:
May 6, 2014 |
| Liberty Reservoir |
02130907 |
Chromium & Lead (WQAs) |
EPA Concurrence:
Nov. 10, 2003 |
| Liberty Reservoir |
02130907 |
Non-tidal Bacteria |
Approved:
December 3, 2009
Revised TMDL was accepted on November 13, 2017. |
| Little Choptank River |
02130402 |
Bacteria |
Approved:
May 25, 2005 |
| Little Gunpowder Falls |
02130804 |
Nutrients (WQA) |
EPA Concurrence:
Aug. 26, 2009 |
| Little Gunpowder Falls |
02130804 |
Metals (WQA) |
EPA Concurrence:
Feb. 20, 2003 |
| Little Patuxent River |
02131105 |
Cadmium (WQA) |
Approved:
July 13, 2009 |
| Little Patuxent River |
02131105 |
Nutrients (WQA) |
Approved:
March 15, 2010 |
| Little Patuxent River |
02131105 |
Sediments |
Approved:
Sept. 30, 2011 |
| Little Seneca Lake |
02140208 |
Nutrients (WQA) |
Approved:
Aug. 10, 2006 |
| Little Youghiogheny River |
05020202 |
BOD |
Approved:
Jan. 29, 2001 |
| Little Youghiogheny River |
05020202 |
Non-tidal Sediment |
Approved:
Feb. 7, 2007 |
| Little Youghiogheny River |
05020202 |
Non-tidal Bacteria |
Approved:
December 3, 2009 |
| Loch Raven Reservoir |
02130805 |
Non-tidal Bacteria |
Approved:
December 3, 2009 |
| Loch Raven Reservoir |
02130805 |
Mercury |
Approved:
Aug. 16, 2004 |
| Loch Raven Reservoir |
02130805 |
Nutrients and Sediments |
Approved:
March 27, 2007 |
| Loch Raven Reservoir |
02130805 |
Heavy Metals (WQA) |
EPA Concurrence:
Nov. 10, 2003 |
Lower Choptank River
(6 Restricted Shellfish Harvesting Areas) |
02130403 |
Bacteria |
Approved:
June 7, 2005 |
Lower Choptank River
(Mainstem) |
02130403 |
Bacteria |
Approved:
Nov. 15, 2006
Revised document approved by EPA on March 27, 2018. |
| Lower Choptank River (5 Restricted Shellfish Harvesting Areas) |
02130403 |
Bacteria |
Approved:
Sept. 11, 2006 |
| Lower Gunpowder Falls |
02130802 |
Heavy Metals (WQA) |
EPA Concurrence:
Nov. 10, 2003 |
| Lower Gunpowder Falls |
02130802 |
Nutrients (WQA) |
EPA Concurrence:
May 18, 2012 |
| Lower Gunpowder Falls |
02130802 |
Sediment |
Approved:
May 4, 2017 |
| Lower Monocacy River |
02140302 |
Non-Tidal Bacteria |
Approved:
Dec. 3, 2009 |
| Lower Monocacy River |
02140302 |
Nutrients |
Approved:
May 22, 2013 |
| Lower Monocacy River |
02140302 |
Sediments |
Approved:
Mar. 17, 2009 |
| Lower North Branch of the Patapsco River |
02130906 |
Non-Tidal Bacteria |
Approved:
Dec. 3, 2009 |
| Lower North Branch of the Patapsco River |
02130906 |
Phosphorus |
Approved:
Sept. 23, 2009 |
| Lower North Branch of the Patapsco River |
02130906 |
Sediments |
Approved:
Sept. 30, 2011 |
| Lower North Branch of the Patapsco River |
02130906 |
Metals (WQA) |
EPA Concurrence:
Jan. 18, 2005 |
| Lower North Branch of the Potomac River |
02141001 |
Sediments |
EPA Concurrence:
May 18, 2012 |
| Lower North Branch of the Potomac River |
02141001 |
Nutrients (WQA) |
EPA Concurrence:
May 18, 2012 |
| Lower North Branch of the Potomac River |
02141001 |
pH (WQA) |
Approved:
Sept. 27, 2005 |
| Lower North Branch of the Potomac River |
02141001 |
Cadmium (WQA) |
Approved:
Aug. 16, 2006 |
| Lower Patuxent River |
02131101 |
Bacteria |
Approved:
May 25, 2005 |
| Lower Patuxent River (Add'l restricted shellfish harvesting areas) |
02131101 |
Bacteria |
Approved:
Sept. 27, 2005 |
| Lower Patuxent River (Add'l restricted shellfish harvesting areas) |
02131101 |
Bacteria |
Approved:
May 21, 2019 |
| Lower Patuxent River Mainstem |
02131101 |
Bacteria (WQA) |
Approved:
May 15, 2007 |
| Lower Patuxent River (Mill Creek) |
02131101 |
Bacteria
|
Approved:
August 20, 2009 |
| Lower Patuxent River |
02131101 |
Chlorpyrifos (Pesticide) |
EPA Concurrence:
July 3, 2007 |
| Lower Patuxent River |
02131101 |
Sediment |
Approved:
July 2, 2018 |
| Lower Pocomoke River |
02130202 |
Fecal Coliform |
Approved:
April 15, 2009 |
| Lower Potomac River (Tidal) |
02140101 |
Bacteria |
Approved:
May 25, 2005 |
| Lower Susquehanna River |
02120201 |
Nutrients (WQA) |
EPA Concurrence:
Jan. 11, 2006 |
| Lower Susquehanna River |
02120201 |
Cadmium (WQA) |
Approved:
Aug. 20, 2009 |
| Lower Wicomico River |
02130301 |
Bacteria |
Approved:
June 18, 2008
Addendum to TMDL approved by EPA: March 13, 2018 |
| Lower Wicomico River |
02130301 |
Nutrients & BOD |
Approved:
June 22, 2001 |