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Assessment Data for the State of Mississippi Year 2004
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State of Mississippi websites: | No State 305(b) Water Quality Assessment Report is available. |
| State Water Quality Program |
Search for a Waterbody within Mississippi
Total Assessed Waters for the State of Mississippi
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 | 7,730.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| Estimated Total Water Size in MS | 84,003.00 | 500,000.00 | 760.00 | 245.00 | Unavailable | Unavailable | Unavailable | Unavailable | Unavailable |
| Percent of Waters Assessed | 9.20 | .00 | .00 | .00 | Unavailable | Unavailable | Unavailable | Unavailable | Unavailable |
Assessed Waters of Mississippi 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 | 5.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| AMITE | 166.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| BAYOU PIERRE | 174.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| BAYOU SARA-THOMPSON | 22.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| BEAR | 28.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| BIG SUNFLOWER | 146.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| BLACK | 287.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| BOGUE CHITTO | 179.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| BUFFALO | 74.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| BUTTAHATCHEE | 45.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| CHUNKY-OKATIBBEE | 89.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| COLDWATER | 272.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| COLES CREEK | 119.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| DEER-STEELE | 73.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| ESCATAWPA | 73.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| HOMOCHITTO | 186.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| HORN LAKE-NONCONNAH | 15.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LITTLE TALLAHATCHIE | 248.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LOWER BIG BLACK | 284.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LOWER CHICKASAWHAY | 77.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LOWER LEAF | 321.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LOWER PEARL | 200.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LOWER TENNESSEE-BEECH | 8.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LOWER YAZOO | 5.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LUXAPALLILA | 49.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| MIDDLE PEARL-SILVER | 203.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| MIDDLE PEARL-STRONG | 386.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| MIDDLE TOMBIGBEE-LUBBUB | 97.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| MISSISSIPPI COASTAL | 270.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| NOXUBEE | 300.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| PASCAGOULA | 178.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| PICKWICK LAKE | 29.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SUCARNOOCHEE | 91.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| TALLAHATCHIE | 315.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| TANGIPAHOA | 66.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| TIBBEE | 234.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| TICKFAW | 14.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| TOWN | 102.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| UPPER BIG BLACK | 258.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| UPPER CHICKASAWHAY | 197.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| UPPER HATCHIE | 127.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| UPPER LEAF | 336.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| UPPER PEARL | 400.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| UPPER TOMBIGBEE | 371.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| UPPER YAZOO | 244.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| WOLF | 13.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| YALOBUSHA | 247.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| YOCONA | 107.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
Mississippi 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 |  % Good |
|---|---|---|---|---|---|
 % Threatened |
|||||
 % Impaired |
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| AQUATIC LIFE SUPPORT | 6,440.00 | 43.34 | .00 | 56.66 | |
| FISH CONSUMPTION | 504.00 | 4.76 | .00 | 95.24 | |
| PRIMARY CONTACT (RECR) | 416.00 | 60.82 | .00 | 39.18 | |
| SECONDARY CONTACT | 2,717.00 | 61.87 | .00 | 38.13 | |
Mississippi Assessed Waters
Water Quality Attainment for Rivers and Streams
Description of this table
| Attainment Status | Miles | Percent of Assessed |
| Good | 2,949.00 | 38.15 |
| Threatened | .00 | .00 |
| Impaired | 4,781.00 | 61.85 |
| Total Miles Assessed | 7,730.00 | 100.00 |
Mississippi Top Causes of Impairments
for Rivers and Streams
Description of this table
| # | State Cause Name | Total Miles Impaired |
|---|---|---|
| 1 | OTHER (BIO IMPAIRMENTS) | 3,596.00 |
| 2 | PATHOGENS | 1,199.00 |
| 3 | MERCURY | 292.00 |
| 4 | DDT | 177.00 |
| 5 | TOXAPHENE | 104.00 |
| 6 | ORGANIC ENRICHMENT/LOW DO | 44.00 |
| 7 | POLYCHLORINATED BIPHENYLS | 14.00 |
| 8 | NUTRIENTS | 7.00 |
| 9 | SALINITY/TDS/CHLORIDES | 5.00 |
Mississippi Top Probable Sources of Impairments
for Rivers and Streams
Description of this table
| # | State Source Name | Total Miles Impaired by Source |
|---|---|---|
| 1 | SOURCE UNKNOWN | 4,430.00 |
| 2 | CONTAMINATED SEDIMENTS | 177.00 |
| 3 | ATMOSPHERIC DEPOSITION | 172.00 |
| 4 | CHANNELIZATION | 20.00 |
| 5 | REMOVAL OF RIPARIAN VEGETATION | 20.00 |
| 6 | NON-POINT SOURCE | 14.00 |
| 7 | EROSION AND SEDIMENTATION | 6.00 |
| 8 | PETROLEUM/NATURAL GAS ACTIVITIES | 5.00 |
Mississippi
Causes of Impairment
Description of this table| State Cause Name | Size of Assessed Waters with Listed Causes of Impairment | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 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 Waters (Square Miles) | Inland Lake Shoreline (Miles) | |
| DDT | 177.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| MERCURY | 292.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| NUTRIENTS | 7.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| ORGANIC ENRICHMENT/LOW DO | 44.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| OTHER (BIO IMPAIRMENTS) | 3,596.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| PATHOGENS | 1,199.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| POLYCHLORINATED BIPHENYLS | 14.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SALINITY/TDS/CHLORIDES | 5.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| TOXAPHENE | 104.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
Mississippi
Probable Sources Contributing to Impairment
Description of this table| State Source Name | Size of Assessed Waters with Probable Sources of Impairment | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 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 Waters (Square Miles) | Inland Lake Shoreline (Miles) | |
| ATMOSPHERIC DEPOSITION | 172.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| CHANNELIZATION | 20.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| CONTAMINATED SEDIMENTS | 177.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| EROSION AND SEDIMENTATION | 6.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| NON-POINT SOURCE | 14.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| PETROLEUM/NATURAL GAS ACTIVITIES | 5.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| REMOVAL OF RIPARIAN VEGETATION | 20.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SOURCE UNKNOWN | 4,430.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
