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Assessment Data for the State of Puerto Rico Year 2004
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| 2002 305(b)/303(d) Integrated Report: Puerto Rico Water Quality Inventory and List of Impaired Waters |
Search for a Waterbody within Puerto Rico
Total Assessed Waters for the State of Puerto Rico
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 | 5,394.20 | 7,378.00 | 13.45 | 549.90 | .00 | .00 | .00 | .00 | .00 |
| Estimated Total Water Size in PR | 5,394.00 | 12,146.00 | Unavailable | 550.00 | Unavailable | Unavailable | Unavailable | Unavailable | Unavailable |
| Percent of Waters Assessed | 100.00 | 60.74 | Unavailable | 99.98 | Unavailable | Unavailable | Unavailable | Unavailable | Unavailable |
Assessed Waters of Puerto Rico 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 | 4,134.40 | .00 | 2.05 | 545.80 | .00 | .00 | .00 | .00 | .00 |
| CIBUCO-GUAJATACA | 82.60 | 2,573.00 | 1.91 | .00 | .00 | .00 | .00 | .00 | .00 |
| CULEBRINAS-GUANAJIBO | 344.70 | 285.00 | 1.25 | .00 | .00 | .00 | .00 | .00 | .00 |
| EASTERN PUERTO RICO | 367.00 | 1,929.00 | 6.24 | .00 | .00 | .00 | .00 | .00 | .00 |
| SOUTHERN PUERTO RICO | 465.50 | 2,591.00 | 2.00 | 4.10 | .00 | .00 | .00 | .00 | .00 |
Puerto Rico 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 |
|||||
| AQUATIC LIFE SUPPORT | 5,394.20 | 28.06 | 56.57 | 15.37 | |
| DRINKING WATER SUPPLY | 5,394.20 | 32.41 | 47.27 | 20.32 | |
| OVERALL USE SUPPORT | 5,394.20 | 6.04 | 68.79 | 25.17 | |
| PRIMARY CONTACT (RECR) | 5,371.60 | 13.22 | 64.68 | 22.10 | |
| SECONDARY CONTACT (RECR) | 5,371.60 | 64.94 | 25.15 | 9.91 | |
Puerto Rico Assessed Waters
Water Quality Attainment for Rivers and Streams
Description of this table
| Attainment Status | Miles | Percent of Assessed |
| Good | 321.30 | 5.96 |
| Threatened | 3,715.20 | 68.87 |
| Impaired | 1,357.70 | 25.17 |
| Total Miles Assessed | 5,394.20 | 100.00 |
Puerto Rico Top Causes of Impairments
for Rivers and Streams
Description of this table
| # | State Cause Name | Total Miles Impaired |
|---|---|---|
| 1 | PATHOGENS | 1,204.50 |
| 2 | ARSENIC | 770.10 |
| 3 | COPPER | 236.30 |
| 4 | NONPRIORITY ORGANICS | 86.80 |
| 5 | ORGANIC ENRICHMENT/LOW DO | 55.40 |
| 6 | SELENIUM | 37.00 |
| 7 | LEAD | 36.70 |
| 8 | AMMONIA (UN-IONIZED) | 30.20 |
| 9 | CADMIUM | 24.40 |
| 10 | CYANIDE | 21.00 |
Puerto Rico Top Probable Sources of Impairments
for Rivers and Streams
Description of this table
| # | State Source Name | Total Miles Impaired by Source |
|---|---|---|
| 1 | ON-SITE TREATMENT SYSTEMS (SEPTIC SYSTEMS AND SIMILAR DECENCENTRALIZED SYSTEMS) | 4,561.70 |
| 2 | URBAN RUNOFF/STORM SEWERS | 1,974.70 |
| 3 | ANIMAL FEEDING OPERATIONS (NPS) | 1,679.10 |
| 4 | SANITARY SEWER OVERFLOWS (COLLECTION SYSTEM FAILURES) | 956.40 |
| 5 | MINOR INDUSTRIAL POINT SOURCE | 831.50 |
| 6 | MINOR MUNICIPAL POINT SOURCE | 581.00 |
| 7 | LANDFILLS | 573.10 |
| 8 | SPECIALITY CROP PRODUCTION | 529.50 |
| 9 | AGRICULTURE | 469.20 |
| 10 | UPSTREAM IMPOUNDMENTS (E.G., PL-566 NRCS STRUCTURES) | 425.20 |
Puerto Rico 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 | % Good |
|---|---|---|---|---|---|
| % Threatened |
|||||
| % Impaired |
|||||
| AQUATIC LIFE SUPPORT | 7,378.00 | 6.11 | .00 | 93.89 | |
| DRINKING WATER SUPPLY | 7,378.00 | 100.00 | .00 | .00 | |
| OVERALL USE SUPPORT | 7,378.00 | 5.38 | .00 | 94.62 | |
| PRIMARY CONTACT (RECR) | 7,378.00 | 90.67 | .00 | 9.33 | |
| SECONDARY CONTACT (RECR) | 7,378.00 | 99.27 | .00 | .73 | |
Puerto Rico Assessed Waters
Water Quality Attainment for Lakes, Ponds and Reservoirs
Description of this table
| Attainment Status | Acres | Percent of Assessed |
| Good | 397.00 | 5.38 |
| Threatened | .00 | .00 |
| Impaired | 6,981.00 | 94.62 |
| Total Acres Assessed | 7,378.00 | 100.00 |
Puerto Rico Top Causes of Impairments
for Lakes, Ponds and Reservoirs
Description of this table
| # | State Cause Name | Total Acres Impaired |
|---|---|---|
| 1 | ORGANIC ENRICHMENT/LOW DO | 6,927.00 |
| 2 | PATHOGENS | 634.00 |
Puerto Rico Top Probable Sources of Impairments
for Lakes, Ponds and Reservoirs
Description of this table
| # | State Source Name | Total Acres Impaired by Source |
|---|---|---|
| 1 | ON-SITE TREATMENT SYSTEMS (SEPTIC SYSTEMS AND SIMILAR DECENCENTRALIZED SYSTEMS) | 5,894.00 |
| 2 | AGRICULTURE | 2,923.00 |
| 3 | ANIMAL FEEDING OPERATIONS (NPS) | 2,541.00 |
| 4 | URBAN RUNOFF/STORM SEWERS | 2,109.00 |
| 5 | MINOR INDUSTRIAL POINT SOURCE | 1,634.00 |
| 6 | UPSTREAM IMPOUNDMENTS (E.G., PL-566 NRCS STRUCTURES) | 713.00 |
| 7 | PACKAGE PLANT OR OTHER PERMITTED SMALL FLOWS DISCHARGES | 634.00 |
Puerto Rico 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 | % Good |
|---|---|---|---|---|---|
| % Threatened |
|||||
| % Impaired |
|||||
| AQUATIC LIFE SUPPORT | 13.45 | 28.79 | 57.82 | 13.38 | |
| OVERALL USE SUPPORT | 13.45 | 21.68 | 64.94 | 13.38 | |
| PRIMARY CONTACT (RECR) | 13.16 | 24.08 | 62.24 | 13.68 | |
| SECONDARY CONTACT (RECR) | 13.16 | 51.22 | 35.38 | 13.41 | |
Puerto Rico Assessed Waters
Water Quality Attainment for Bays and Estuaries
Description of this table
| Attainment Status | Square Miles | Percent of Assessed |
| Good | 2.92 | 21.68 |
| Threatened | 8.74 | 64.94 |
| Impaired | 1.80 | 13.38 |
| Total Square Miles Assessed | 13.45 | 100.00 |
Puerto Rico Top Causes of Impairments
for Bays and Estuaries
Description of this table
| # | State Cause Name | Total Square Miles Impaired |
|---|---|---|
| 1 | ORGANIC ENRICHMENT/LOW DO | 1.76 |
| 2 | ARSENIC | .04 |
| 3 | PATHOGENS | .04 |
Puerto Rico Top Probable Sources of Impairments
for Bays and Estuaries
Description of this table
| # | State Source Name | Total Square Miles Impaired by Source |
|---|---|---|
| 1 | ON-SITE TREATMENT SYSTEMS (SEPTIC SYSTEMS AND SIMILAR DECENCENTRALIZED SYSTEMS) | 9.50 |
| 2 | URBAN RUNOFF/STORM SEWERS | 6.26 |
| 3 | SANITARY SEWER OVERFLOWS (COLLECTION SYSTEM FAILURES) | 3.75 |
| 4 | MAJOR MUNICIPAL POINT SOURCE | .83 |
| 5 | MINOR MUNICIPAL POINT SOURCE | .58 |
| 6 | UPSTREAM IMPOUNDMENTS (E.G., PL-566 NRCS STRUCTURES) | .49 |
| 7 | LANDFILLS | .26 |
| 8 | SURFACE MINING | .22 |
| 9 | MARINAS | .19 |
| 10 | MAJOR INDUSTRIAL POINT SOURCE | .12 |
Puerto Rico Assessed Waters
Individual Use Support for Coastal Shorelines
Description of this table
| State Designated Use | Total Miles Assessed | Percent Good | Percent Threatened | Percent Impaired | % Good |
|---|---|---|---|---|---|
| % Threatened |
|||||
| % Impaired |
|||||
| AQUATIC LIFE SUPPORT | 549.90 | 36.42 | 39.19 | 24.39 | |
| OVERALL USE SUPPORT | 549.90 | 31.44 | 39.19 | 29.37 | |
| PRIMARY CONTACT (RECR) | 502.30 | 59.80 | 32.79 | 7.41 | |
| SECONDARY CONTACT (RECR) | 549.90 | 77.34 | 16.46 | 6.20 | |
Puerto Rico Assessed Waters
Water Quality Attainment for Coastal Shorelines
Description of this table
| Attainment Status | Miles | Percent of Assessed |
| Good | 172.90 | 31.44 |
| Threatened | 215.50 | 39.19 |
| Impaired | 161.50 | 29.37 |
| Total Miles Assessed | 549.90 | 100.00 |
Puerto Rico Top Causes of Impairments
for Coastal Shorelines
Description of this table
| # | State Cause Name | Total Miles Impaired |
|---|---|---|
| 1 | PATHOGENS | 26.80 |
| 2 | ORGANIC ENRICHMENT/LOW DO | 5.50 |
| 3 | AMMONIA (UN-IONIZED) | 5.50 |
Puerto Rico Top Probable Sources of Impairments
for Coastal Shorelines
Description of this table
| # | State Source Name | Total Miles Impaired by Source |
|---|---|---|
| 1 | ON-SITE TREATMENT SYSTEMS (SEPTIC SYSTEMS AND SIMILAR DECENCENTRALIZED SYSTEMS) | 138.80 |
| 2 | RCRA HAZARDOUS WASTE SITES | 62.40 |
| 3 | HISTORIC BOTTOM DEPOSITS (NOT SEDIMENT) | 62.40 |
| 4 | URBAN RUNOFF/STORM SEWERS | 51.20 |
| 5 | FLOW ALTERATIONS FROM WATER DIVERSIONS | 43.40 |
| 6 | MAJOR INDUSTRIAL POINT SOURCE | 37.70 |
| 7 | MARINAS | 33.50 |
| 8 | HYDROMODIFICATION | 28.90 |
| 9 | MUNICIPAL POINT SOURCE DISCHARGES | 19.00 |
| 10 | MAJOR MUNICIPAL POINT SOURCE | 13.50 |
Puerto Rico
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) | |
| AMMONIA (UN-IONIZED) | 30.20 | .00 | .00 | 5.50 | .00 | .00 | .00 | .00 | .00 |
| ARSENIC | 770.10 | .00 | .04 | .00 | .00 | .00 | .00 | .00 | .00 |
| CADMIUM | 24.40 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| COPPER | 236.30 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| CYANIDE | 21.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LEAD | 36.70 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| MERCURY | 3.50 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| NONPRIORITY ORGANICS | 86.80 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| ORGANIC ENRICHMENT/LOW DO | 55.40 | 6,927.00 | 1.76 | 5.50 | .00 | .00 | .00 | .00 | .00 |
| PATHOGENS | 1,204.50 | 634.00 | .04 | 26.80 | .00 | .00 | .00 | .00 | .00 |
| PHOSPHORUS, ELEMENTAL | 2.70 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SELENIUM | 37.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
Puerto Rico
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) | |
| AGRICULTURE | 469.20 | 2,923.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| ANIMAL FEEDING OPERATIONS (NPS) | 1,679.10 | 2,541.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| CHANNELIZATION | .00 | .00 | .02 | .00 | .00 | .00 | .00 | .00 | .00 |
| FLOW ALTERATIONS FROM WATER DIVERSIONS | .00 | .00 | .00 | 43.40 | .00 | .00 | .00 | .00 | .00 |
| HIGHWAYS, ROADS, BRIDGES, INFRASTURCTURE (NEW CONSTRUCTION) | .00 | .00 | .05 | .00 | .00 | .00 | .00 | .00 | .00 |
| HISTORIC BOTTOM DEPOSITS (NOT SEDIMENT) | .00 | .00 | .00 | 62.40 | .00 | .00 | .00 | .00 | .00 |
| HYDROMODIFICATION | .00 | .00 | .00 | 28.90 | .00 | .00 | .00 | .00 | .00 |
| INDUSTRIAL POINT SOURCE DISCHARGE | 28.50 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| INTENSIVE ANIMAL FEEDING OPERATIONS | 2.20 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LAND DISPOSAL | 28.90 | .00 | .01 | .00 | .00 | .00 | .00 | .00 | .00 |
| LANDFILLS | 573.10 | .00 | .26 | 1.50 | .00 | .00 | .00 | .00 | .00 |
| MAJOR INDUSTRIAL POINT SOURCE | 123.20 | .00 | .12 | 37.70 | .00 | .00 | .00 | .00 | .00 |
| MAJOR MUNICIPAL POINT SOURCE | 387.30 | .00 | .83 | 13.50 | .00 | .00 | .00 | .00 | .00 |
| MARINAS | .00 | .00 | .19 | 33.50 | .00 | .00 | .00 | .00 | .00 |
| MINOR INDUSTRIAL POINT SOURCE | 831.50 | 1,634.00 | .04 | 5.50 | .00 | .00 | .00 | .00 | .00 |
| MINOR MUNICIPAL POINT SOURCE | 581.00 | .00 | .58 | 2.40 | .00 | .00 | .00 | .00 | .00 |
| MUNICIPAL POINT SOURCE DISCHARGES | .00 | .00 | .00 | 19.00 | .00 | .00 | .00 | .00 | .00 |
| ON-SITE TREATMENT SYSTEMS (SEPTIC SYSTEMS AND SIMILAR DECENCENTRALIZED SYSTEMS) | 4,561.70 | 5,894.00 | 9.50 | 138.80 | .00 | .00 | .00 | .00 | .00 |
| PACKAGE PLANT OR OTHER PERMITTED SMALL FLOWS DISCHARGES | 198.90 | 634.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| RCRA HAZARDOUS WASTE SITES | .00 | .00 | .00 | 62.40 | .00 | .00 | .00 | .00 | .00 |
| SANITARY SEWER OVERFLOWS (COLLECTION SYSTEM FAILURES) | 956.40 | .00 | 3.75 | 8.50 | .00 | .00 | .00 | .00 | .00 |
| SOURCE UNKNOWN | 46.60 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SPECIALITY CROP PRODUCTION | 529.50 | .00 | .09 | .00 | .00 | .00 | .00 | .00 | .00 |
| SURFACE MINING | 173.40 | .00 | .22 | .00 | .00 | .00 | .00 | .00 | .00 |
| UPSTREAM IMPOUNDMENTS (E.G., PL-566 NRCS STRUCTURES) | 425.20 | 713.00 | .49 | .00 | .00 | .00 | .00 | .00 | .00 |
| URBAN RUNOFF/STORM SEWERS | 1,974.70 | 2,109.00 | 6.26 | 51.20 | .00 | .00 | .00 | .00 | .00 |
