Maryland Waters with TMDL Documents (A-L)

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All projects are TMDLs unless otherwise noted.

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Basin Name

DNR 8-digit Basin Number

Impairment

Anacostia R​iver
02140205

Bacteria, BOD, BSID, Nutrients, PCBs, Sediment, Trash

Anacostia River  (draft available)​02140205​Heptachlor Epoxide
Antietam Creek02140502

Bacteria, BSID, Phosphorus, Nutrient (WQA Greenbrier Lake), Sediment

Assawoman Bay02130102​​Bacteria (WQA), Nutrients
Back Creek (C&D Canal)02130604

Arsenic, Silver and Cadmium (WQA), PCBs​

Back River02130901

Bacteria (Herring Run). BSID, Chlordane, Nutrients, PCBs, Sediments, Zinc

Baltimore Harbor02130903

Bacteria (Marley and Furnace Creeks), BSID, Chlordane, Chromium (WQA), Lead (WQA), Nutrients, PCBs, Sediment (Non-tidal areas),  Trash/Debris, Zinc (Curtis Bay/Creek and Middle Harbor) (WQA)

Bird River02130803

Nutrients (WQA), PCBs

Bodkin Creek02130902

Copper (WQA), Lead, Zinc (WQA)

Bohemia​ River
02130602

Nutrients, PCBs

Breton Bay02140104

Bacteria (Cherry Cove Creek), Nutrients

Brighton Dam (Triadelphia Reservoir)​02131108​Nutrient, Sediment
Bush River

02130701

PCBs
Bynum Run 02130704BSID, Nutrients (WQA), Sediment
Cabin John Creek02140207Bacteria, BSID, Nutrients (WQA), Sediment
Casselman River05020204

BSID, Low pH, Nutrients (WQA), Mercury (Big Piney Reservoir)

Catoctin Creek02140305BSID, Nutrients (Phosphorus), Sediments
Chester River, Lower 02130505

Fecal Coliform

Chester River, Middle02130509

BSID, Fecal Coliform, Nutrients, Nutrient and Sediment (Urieville Community Lake)

Chester River, Upper02130510

Bacteria (Duck Neck Beach), BSID, Nutrients, Mercury (Millington Wildlife Management Area), Sediment

Chincoteague Bay02130106

Bacteria (WQA), Nutrients, Nutrient (Big Millpond)

Conococheague Creek02140504

BOD, BSID, Non-tidal Bacteria, Sediments

Conowingo Dam/Susquehanna River02120204

Nutrients (WQA), Sediments (WQA)

Corsica River02130507

Bacteria, Nutrients, PCBs

Deep Creek Lake05020203

BSID, Mercury, low pH (Cherry Creek), ​Nutrients (Phosphorus WQA)

Dividing Creek02130204Bacteria
Double Pipe Creek02140304

BSID, Non-Tidal Bacteria, Nutrients (Phosphorus), Sediments

Eastern Bay02130501

Bacteria

Elk River Oligohaline Tidal Chesapeake Bay Segment 02130601 02130603 02130605PCBs
Evitts Creek 02141002

BSID, Low pH (WQA), Nutrients (WQA), Nutrients (Lake Habeeb), Sediment

Fairlee Creek02130611

Nutrients

Georges Creek02141004

Bacteria, BOD, BSID, Low pH, Sediment

Gunpowder River Oligohaline Segment02130801PCBs
Gwynns Falls 02130905

Non-tidal Bacteria, BSID, Nutrients (WQA), Sediments

Honga River02130401

Bacteria

Isle of Wight Bay02130103

Bacteria (Herring and Turville Creeks), Nitrogen and Phosphorus

Jones Falls02130904

Non-tidal Bacteria, BSID, Chlordane (Lake Roland), Copper & Lead (WQAs), Nutrients (WQA), PCBs  (Lake R​oland), Sediments, 
Zinc (WQA)​

Kent Island Bay
02130511

Bacteria (WQA)

Kent Narrows/ Prospect Bay02130504

Bacteria (Wells Cove)

Langford Creek02130506

Bacteria (WQA), Nutrients (WQA)

Liberty Reservoir02130907

Bacteria, BSID, Mercury (WQA), Chromium & Lead (WQAs)​Phosphorus and Sediments

Little Choptank River02130402

Bacteria

Little Elk Creek​02130605​PCBs
Little Gunpowder Falls

02130804

Metals (WQA), Nutrients (WQA)

Little Patuxent River02131105

BSID, Cadmium (WQA), Nutrients (WQA), Nutrients and Sediments (Centennial Lake), Sediments

Little Youghiogheny River05020202

BOD, Bacteria, Sediment​, Nutrient (Broadford Lake)

Loch Raven Reservoir02130805Bacteria, BSID, Heavy Metals (WQA), Mercury, Nutrients and Sediments​
Lower Choptank River02130403

Bacteria, BSID, Nutrients (La Trappe Creek), Nutrients (Town Creek)

Lower Elk River​02130601PCBs​
Lower Gunpowder Falls02130802

BSID, Heavy Metals (WQA), Nutrients (WQA), Sediment

Lower Monocacy River02140302

Bacteria, Nutrients, Sediments, Nutrient & Sediment (Lake Linganore)

Lower North Branch of the Patapsco River02130906

Bacteria, BSID, Metals (WQA), Nutrients (WQA), Sediments​

Lower North Branch of the Potomac River

02141001

Cadmium (WQA)​, Nutrients (WQA), pH (WQA), Sediments 

Lower Patuxent River02131101

Bacteria, BSID, Chlorpyrifos (Pesticide), Mercury (Lake Lariat), ​Sediment 

Lower Pocomoke River02130202

Fecal Coliform

Lower Potomac River02140101

Bacteria, PCBs

Lower Susquehanna River02120201

Cadmium (WQA), Nutrients (WQA)

Lower Wicomico River02130301

Bacteria, Bacteria (Ellis Bay), ​BOD & Nutrients

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WQA = Water Quality Analysis

1Action may take two forms: submittal of a Total Maximum Daily Load (TMDL) or submittal of a Water Quality Analysis (WQA).  TMDLs are developed when a given substance or stressor is exceeding water quality standards.  WQAs are developed when supplemental data indicate the waterbody is meeting water quality standards for that substance.  This list is subject to change. 

Contact Info

Please direct questions or comments concerning Maryland's TMDL Program to mde.tmdlcoordinator@maryland.gov or call (410) 537-3818.​

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