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Assessment Data for the State of Maryland Year 2002

National Assessment Database
About this Database

Assessing Water Quality (Questions and Answers)

National Water Quality Inventory Report to Congress, 2002 Reporting Cycle

The 2002 National Assessment
Database
(Fact Sheet)

Previous National Water Quality Reports

EnviroMapper for Water

Impaired Water Information
2002 303(d) List Report

Other Water Assessment Information
The most current report available for this state is 2002.



State of Maryland websites:

State 305(b) Water Quality Assessment Report(s)
  State Water Quality Program

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Total Assessed Waters for the State of Maryland

Description of this table

Size Of Water
Rivers, Streams, Creeks (Miles) Lakes, Ponds, Reservoir (Acres) Bays, Estuaries (Square Miles) Coastal Shorelines (Miles) Oceans, Near Coastal Waters (Square Miles) Wetlands (Acres) Great Lakes Shoreline (Miles) Great Lakes Open Water (Square Miles)
Total Assessed Waters 6,330.62 18,675.80 2,498.81 .00 .00 .00 .00 .00
Estimated Total Water Size in MD 8,789.00 77,965.00 2,522.00 32.00 Unavailable Unavailable Unavailable Unavailable
Percent of Waters Assessed 72.03 23.95 99.08 .00 Unavailable Unavailable Unavailable Unavailable

Assessed Waters of Maryland by Watershed

Description of this table
Watershed Size of Water
Rivers, Streams, Creeks (Miles) Lakes, Ponds, Reservoir (Acres) Bays, Estuaries (Square Miles) Coastal Shorelines (Miles) Oceans, Near Coastal Waters (Square Miles) Wetlands (Acres) Great Lakes Shoreline (Miles) Great Lakes Open Water (Square Miles)
BLACKWATER-WICOMICO 57.04 281.80 68.30 .00 .00 .00 .00 .00
BRANDYWINE-CHRISTINA 7.56 .00 .00 .00 .00 .00 .00 .00
CACAPON-TOWN 200.53 .00 .00 .00 .00 .00 .00 .00
CHESTER-SASSAFRAS 240.61 144.50 238.00 .00 .00 .00 .00 .00
CHINCOTEAGUE .00 5.70 80.50 .00 .00 .00 .00 .00
CHOPTANK 166.80 .00 200.10 .00 .00 .00 .00 .00
CONOCOCHEAGUE-OPEQUON 336.42 .00 .00 .00 .00 .00 .00 .00
GUNPOWDER-PATAPSCO 1,083.91 7,113.20 76.50 .00 .00 .00 .00 .00
LOWER POTOMAC 379.22 .00 377.90 .00 .00 .00 .00 .00
LOWER SUSQUEHANNA 231.18 2,936.00 .00 .00 .00 .00 .00 .00
MIDDLE POTOMAC-ANACOSTIA-OCCOQUAN 247.88 130.00 11.90 .00 .00 .00 .00 .00
MIDDLE POTOMAC-CATOCTIN 421.73 .00 .00 .00 .00 .00 .00 .00
MONOCACY 795.65 .00 .00 .00 .00 .00 .00 .00
NANTICOKE 35.81 40.00 28.30 .00 .00 .00 .00 .00
NORTH BRANCH POTOMAC 446.17 581.50 .00 .00 .00 .00 .00 .00
PATUXENT 382.78 .00 47.70 .00 .00 .00 .00 .00
POCOMOKE 117.22 17.20 169.70 .00 .00 .00 .00 .00
SEVERN 146.49 .00 72.70 .00 .00 .00 .00 .00
YOUGHIOGHENY 328.63 690.50 .00 .00 .00 .00 .00 .00
Name Not Reported 704.99 6,735.40 1,203.21 .00 .00 .00 .00 .00


Maryland Assessed Waters
Individual Use Support for Rivers and Streams

Description of this table
State Designated Use Total Miles Assessed Percent Good Percent Threatened Percent Impaired color.gif% Good
color.gif% Threatened
color.gif% Impaired
Fish, Shellfish, and Wildlife Protection and Propagation Fish, Shellfish, and Wildlife Protection and Propagation 6,330.62 40.03 .00 59.97 color.gifcolor.gif
The state assessed 6,330.62 miles of rivers and streams, or 72.03% of 8,789.00 total miles.

Maryland Assessed Waters
Water Quality Attainment for Rivers and Streams

Description of this table
Attainment Status Miles Percent of Assessed
Good 2,534.21 40.03
Threatened .00 .00
Impaired 3,796.41 59.97
Total Miles Assessed 6,330.62 100.00

Maryland Top Causes of Impairments
for Rivers and Streams

No Causes for Impairment Reported.

Maryland Top Probable Sources of Impairments
for Rivers and Streams

No Probable Sources Reported.


Maryland Assessed Waters
Individual Use Support for Lakes, Ponds and Reservoirs

Description of this table
State Designated Use Total Acres Assessed Percent Good Percent Threatened Percent Impaired color.gif% Good
color.gif% Threatened
color.gif% Impaired
Fish, Shellfish, and Wildlife Protection and Propagation Fish, Shellfish, and Wildlife Protection and Propagation 18,675.80 25.36 .00 74.64 color.gifcolor.gif
The state assessed 18,675.80 acres of lakes, ponds and reservoirs, or 23.95% of 77,965.00 total acres.

Maryland Assessed Waters
Water Quality Attainment for Lakes, Ponds and Reservoirs

Description of this table
Attainment Status Acres Percent of Assessed
Good 4,736.50 25.36
Threatened .00 .00
Impaired 13,939.30 74.64
Total Acres Assessed 18,675.80 100.00

Maryland Top Causes of Impairments
for Lakes, Ponds and Reservoirs

No Causes for Impairment Reported.

Maryland Top Probable Sources of Impairments
for Lakes, Ponds and Reservoirs

No Probable Sources Reported.


Maryland Assessed Waters
Individual Use Support for Bays and Estuaries

Description of this table
State Designated Use Total Square Miles Assessed Percent Good Percent Threatened Percent Impaired color.gif% Good
color.gif% Threatened
color.gif% Impaired
Fish, Shellfish, and Wildlife Protection and Propagation Fish, Shellfish, and Wildlife Protection and Propagation 2,498.81 9.80 .00 90.20 color.gifcolor.gif
The state assessed 2,498.81 square miles of bays and estuaries, or 99.08% of 2,522.00 total square miles.

Maryland Assessed Waters
Water Quality Attainment for Bays and Estuaries

Description of this table
Attainment Status Square Miles Percent of Assessed
Good 244.80 9.80
Threatened .00 .00
Impaired 2,254.01 90.20
Total Square Miles Assessed 2,498.81 100.00

Maryland Top Causes of Impairments
for Bays and Estuaries

No Causes for Impairment Reported.

Maryland Top Probable Sources of Impairments
for Bays and Estuaries

No Probable Sources Reported.


Maryland

Causes of Impairment

No Causes for Impairments Reported by State.


Maryland

Probable Sources Contributing to Impairment

No Source Data Reported by the State.


Clicking anywhere on this state map will take you to the Enviromapper for Water website, where you can view and map various types of environmental information for the state. This information includes Superfund sites, water discharge permits, toxic releases, and more.


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