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Maryland State Report
Other states that contain this watershed:
Pennsylvania, Gunpowder-Patapsco Watershed
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Maryland, Gunpowder-Patapsco Watershed
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Listed Waters for Reporting Year 2004
Maryland, Gunpowder-Patapsco Watershed
Description of this table
| NOTE: Click on the underlined "Waterbody Name" to view a Waterbody report. | ||||||||
| Waterbody Name | Waterbody ID | Location | Waterbody Type | Size | Units | State TMDL Development Status | ||
|---|---|---|---|---|---|---|---|---|
| Aberdeen Proving Ground | MD-021307051126-R | Rivers and Streams | miles | |||||
| Atkisson Reservoir | MD-021307031132-R | Rivers and Streams | miles | |||||
| Atkisson Reservoir | MD-02130703-R | Lakes, Reservoirs, and Ponds | acres | |||||
| Atkisson Reservoir | MD-021307031134-R | Rivers and Streams | miles | |||||
| Back River | MD-02130901-T | Rivers and Streams | miles | |||||
| Baltimore Harbor | MD-02130903 | River | 31.395 | miles | ||||
| Baltimore Harbor | MD-02130903 | Harbor | square miles | |||||
| Bear Creek | MD-02130903-T_BC | Rivers and Streams | miles | |||||
| Bird River | MD-02130803 | Rivers and Streams | miles | |||||
| Bodkin Creek | MD-02130902 | Rivers and Streams | miles | |||||
| Browns Creek | MD-02130807-T_BC | Rivers and Streams | miles | |||||
| Bush River | MD-02130701 | Rivers and Streams | miles | |||||
| Bush River | MD-021307011129-R | Rivers and Streams | miles | |||||
| Bush River | MD-02130701-T | Rivers and Streams | miles | |||||
| Bush River | MD-02130701 | River | 41.3 | miles | ||||
| Bynum Run | MD-021307041131-R | Rivers and Streams | miles | |||||
| Carroll Branch - Unt | MD-021308050304-R | Rivers and Streams | miles | |||||
| Cooper Branch, Patapsco River Ut 1, Tiber Run | MD-02130906107-R | Rivers and Streams | miles | |||||
| Councilmans Run | MD-021308050303-R | Rivers and Streams | miles | |||||
| Cowen Run, Cowen Run Ut1, Jennifer Branch, Long Green Creek, Lg Ut | MD-021308020297-R | Rivers and Streams | miles | |||||
| Deep Run, Deep Run Ut 1 | MD-021309061014-R | Rivers and Streams | miles | |||||
| Greene Branch | MD-021308050301-R | Rivers and Streams | miles | |||||
| Gunpowder River | MD-02130801 | Rivers and Streams | miles | |||||
| Gwynns Falls | MD-02130905 | River | 67.3 | miles | ||||
| Gwynns Falls | MD-02130905-R | Rivers and Streams | miles | |||||
| Gwynns Falls | MD-02130905 | Rivers and Streams | miles | |||||
| Gwynns Falls (Mulitiple Tribs) | MD-021309051045-R | Rivers and Streams | miles | |||||
| Herbert Run, Wb Herbert Run, Wb Herbert Run Ut, Patapsco R Ut2 | MD-021309061012 | Rivers and Streams | miles | |||||
| Jones Falls | MD-02130904 | River | 62.01 | miles | ||||
| Jones Falls | MD-02130904 | Rivers and Streams | miles | |||||
| Liberty Reservoir | MD-021309071062-R | Rivers and Streams | miles | |||||
| Liberty Reservoir | MD-02130907-R | Lakes, Reservoirs, and Ponds | acres | |||||
| Liberty Reservoir | MD-021309071046-R | Lakes, Reservoirs, and Ponds | acres | |||||
| Liberty Reservoir | MD-021309071057-R | Rivers and Streams | miles | |||||
| Liberty Reservoir | MD-021309071059-R | Rivers and Streams | miles | |||||
| Liberty Reservoir | MD-02130907-L | Lakes, Reservoirs, and Ponds | acres | |||||
| Liberty Reservoir | MD-021309071054-R | Rivers and Streams | miles | |||||
| Little Falls | MD-021308050312-R | Rivers and Streams | miles | |||||
| Loch Raven Reservoir | MD-02130805-L | Lakes, Reservoirs, and Ponds | acres | |||||
| Loch Raven Reservoir | MD-021308050302-R | Rivers and Streams | miles | |||||
| Lower Winters Run | MD-021307021130-R | Rivers and Streams | miles | |||||
| Middle Chesapeake Bay | MD-02139997 | Bays and Estuaries | square miles | |||||
| Patapsco River/Lower North Branch | MD-02130906 | River | 167.06 | miles | ||||
| Patapsco River/Lower North Branch | MD-02130906 | Rivers and Streams | miles | |||||
| Piney Run Reservoir | MD-02130908-L | Lakes, Reservoirs, and Ponds | acres | |||||
| Prettyboy Reservoir | MD-021308060313-R | Rivers and Streams | miles | |||||
| Prettyboy Reservoir | MD-02130806-L | Lakes, Reservoirs, and Ponds | acres | |||||
| South Branch Patapsco River | MD-021309081027-R | Rivers and Streams | miles | |||||
| South Branch Patapsco River | MD-021309081024-R | Rivers and Streams | miles | |||||
| South Branch Patapsco River | MD-021309081023-R | Rivers and Streams | miles | |||||
| Swan Creek | MD-021307061135-R | Rivers and Streams | miles | |||||
| Upper Chesapeake Bay | MD-02139996 | Bays and Estuaries | square miles | |||||
Causes of Impairment for Reporting Year 2004
Maryland, Gunpowder-Patapsco
Description of this table| Cause of Impairment | Number of Causes Reported |
|---|---|
| Biological | 28 |
| Nutrients | 13 |
| Suspended Sediment | 10 |
| Metals (other than Mercury) | 4 |
| Fecal Coliform | 3 |
| Zinc | 3 |
| Copper | 2 |
| Lead | 2 |
| Polychlorinated Biphenyls (PCBs) | 2 |
| Chromium, Total | 1 |
| Mercury | 1 |
Cumulative TMDLs by Pollutant
Maryland, Gunpowder-Patapsco Watershed
This chart includes TMDLs since October 1, 1995.
Description of this table
| NOTE: Click on the underlined "Number of TMDLs Completed" value to see a listing of those approved TMDLs for the pollutant. | ||
| Pollutant | Number of TMDLs Completed | Number of Causes of Impairment Addressed |
|---|---|---|
| Total Suspended Solids (TSS) |  11 |
11 |
| Nitrogen, Total | 8 |
8 |
| Phosphorus, Total | 8 |
8 |
| Phosphorus | 5 |
5 |
| Polychlorinated Biphenyls (PCBs) | 5 |
5 |
| Escherichia Coli (E. Coli) | 4 |
4 |
| Nitrogen | 3 |
3 |
| Chlordane | 2 |
2 |
| Enterococcus Bacteria | 1 |
1 |
| Methyl Mercury | 1 |
1 |
| Sediment | 1 |
1 |
| Suspended Sediment | 1 |
1 |
Total: 50 TMDLs; 0 Causes of Impairment
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