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Assessment Data for the State of North Carolina Year 2004

National Assessment Database
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Assessing Water Quality (Questions and Answers)

The 2004 National Assessment
Database(Fact Sheet)

Previous National Water Quality Reports


State of North Carolina websites:

No State 305(b) Water Quality Assessment Report is available.
  State Water Quality Program

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Total Assessed Waters for the State of North Carolina

 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) Inland Lake Shoreline (Miles)
Total Assessed Waters 6,273.62 82,323.92 46.22 271.14 .00 716,115.52 .00 .00 .00
Estimated Total Water Size in NC 37,662.00 311,236.00 3,121.00 Unavailable Unavailable 7,175,000.00 Unavailable Unavailable Unavailable
Percent of Waters Assessed 16.66 26.45 1.48 Unavailable Unavailable 9.98 Unavailable Unavailable Unavailable

Assessed Waters of North Carolina by Watershed (8 Digit USGS Cataloging Unit)

 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) Inland Lake Shoreline (Miles)
8-digit HUC Name Not Reported 6,273.62 82,323.92 46.22 271.14 .00 716,115.52 .00 .00 .00

North Carolina 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
OVERALL USE SUPPORT 6,273.62 53.98 .00 46.02 color.gifcolor.gif
The state assessed 6,273.62 miles of rivers and streams, or 16.66% of 37,662.00 total miles.

North Carolina Assessed Waters
Water Quality Attainment for Rivers and Streams

 Description of this table
Attainment Status Miles Percent of Assessed
Good 3,386.56 53.98
Threatened .00 .00
Impaired 2,887.06 46.02
Total Miles Assessed 6,273.62 100.00

North Carolina Top Causes of Impairments
for Rivers and Streams

No Causes of Impairment Reported.

North Carolina Top Probable Sources of Impairments
for Rivers and Streams

No Probable Sources Reported.

North Carolina 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
OVERALL USE SUPPORT 82,323.92 59.15 .00 40.85 color.gifcolor.gif
The state assessed 82,323.92 acres of lakes, ponds and reservoirs, or 26.45% of 311,236.00 total acres.

North Carolina Assessed Waters
Water Quality Attainment for Lakes, Ponds and Reservoirs

 Description of this table
Attainment Status Acres Percent of Assessed
Good 48,690.93 59.15
Threatened .00 .00
Impaired 33,632.98 40.85
Total Acres Assessed 82,323.92 100.00

North Carolina Top Causes of Impairments
for Lakes, Ponds and Reservoirs

No Causes of Impairment Reported.

North Carolina Top Probable Sources of Impairments
for Lakes, Ponds and Reservoirs

No Probable Sources Reported.

North Carolina 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
OVERALL USE SUPPORT 46.22 .00 .00 100.00 color.gif
The state assessed 46.22 square miles of bays and estuaries, or 1.48% of 3,121.00 total square miles.

North Carolina Assessed Waters
Water Quality Attainment for Bays and Estuaries

 Description of this table
Attainment Status Square Miles Percent of Assessed
Good .00 .00
Threatened .00 .00
Impaired 46.22 100.00
Total Square Miles Assessed 46.22 100.00

North Carolina Top Causes of Impairments
for Bays and Estuaries

No Causes of Impairment Reported.

North Carolina Top Probable Sources of Impairments
for Bays and Estuaries

No Probable Sources Reported.

North Carolina Assessed Waters
Individual Use Support for Coastal Shorelines

 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
OVERALL USE SUPPORT 271.14 .00 .00 100.00 color.gif
The total size of this water type for the state is not currently available.

North Carolina Assessed Waters
Water Quality Attainment for Coastal Shorelines

 Description of this table
Attainment Status Miles Percent of Assessed
Good .00 .00
Threatened .00 .00
Impaired 271.14 100.00
Total Miles Assessed 271.14 100.00

North Carolina Top Causes of Impairments
for Coastal Shorelines

No Causes of Impairment Reported.

North Carolina Top Probable Sources of Impairments
for Coastal Shorelines

No Probable Sources Reported.

North Carolina Assessed Waters
Individual Use Support for Wetlands

 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
OVERALL USE SUPPORT 716,115.52 88.36 .00 11.64 color.gifcolor.gif
The state assessed 716,115.52 acres of wetlands, or 9.98% of 7,175,000.00 total acres.

North Carolina Assessed Waters
Water Quality Attainment for Wetlands

 Description of this table
Attainment Status Acres Percent of Assessed
Good 632,754.76 88.36
Threatened .00 .00
Impaired 83,360.76 11.64
Total Acres Assessed 716,115.52 100.00

North Carolina Top Causes of Impairments
for Wetlands

No Causes of Impairment Reported.

North Carolina Top Probable Sources of Impairments
for Wetlands

No Probable Sources Reported.

North Carolina

Causes of Impairment

No Causes of Impairments Reported by State.

North Carolina

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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