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Assessment Data for the State of Arizona Year 2004
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State of Arizona websites: | No State 305(b) Water Quality Assessment Report is available. |
| State Water Quality Program |
Search for a Waterbody within Arizona
Total Assessed Waters for the State of Arizona
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 | 2,187.10 | 50,926.56 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| Estimated Total Water Size in AZ | 90,375.00 | 335,590.00 | Unavailable | Unavailable | Unavailable | Unavailable | Unavailable | Unavailable | Unavailable |
| Percent of Waters Assessed | 2.42 | 15.18 | Unavailable | Unavailable | Unavailable | Unavailable | Unavailable | Unavailable | Unavailable |
Assessed Waters of Arizona 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 | 58.80 | 376.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| AGUA FRIA | 53.50 | 2,091.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| BIG CHINO-WILLIAMSON VALLEY | .00 | 7.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| BIG SANDY | 45.90 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| BILL WILLIAMS | 15.10 | 1,414.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| BLACK | 70.50 | 590.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| BRAWLEY WASH | .00 | 115.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| BURRO | 53.40 | 228.56 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| CANYON DIABLO | 3.70 | 1,940.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| CHEVELON CANYON | 19.30 | 70.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| GRAND CANYON | 27.60 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| HASSAYAMPA | 92.70 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| HAVASU CANYON | .00 | 70.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| HAVASU-MOHAVE LAKES | 40.40 | 16,120.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| IMPERIAL RESERVOIR | 31.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LITTLE COLORADO HEADWATERS | 97.70 | 1,340.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LOWER COLORADO | 32.20 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LOWER COLORADO-MARBLE CANYON | 16.30 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LOWER GILA | 28.30 | 185.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LOWER GILA-PAINTED ROCK RESERVOIR | 82.50 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LOWER LAKE POWELL | 16.30 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LOWER SALT | 60.80 | 22,025.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LOWER SAN PEDRO | 99.40 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LOWER SANTA CRUZ | 8.60 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LOWER VERDE | 109.20 | 2,375.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LOWER VIRGIN | 10.10 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| MIDDLE GILA | 55.60 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| MIDDLE LITTLE COLORADO | 65.60 | 845.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| PARIA | 29.40 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| RILLITO | 62.10 | 22.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SAN FRANCISCO | 147.90 | 120.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SAN SIMON | 15.60 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SANTA MARIA | 24.40 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SILVER | 92.60 | 110.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| TONTO | 111.40 | 18,350.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| UPPER GILA-MANGAS | 31.50 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| UPPER GILA-SAN CARLOS RESERVOIR | 82.30 | 25.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| UPPER LITTLE COLORADO | 31.90 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| UPPER SALT | 93.80 | 18,350.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| UPPER SAN PEDRO | 69.70 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| UPPER SANTA CRUZ | 124.40 | 420.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| UPPER VERDE | 92.20 | 438.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| WHITEWATER DRAW | 19.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
Arizona 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 |
|||||
| AGRICULTURAL IRRIGATION | 1,105.30 | 95.96 | .00 | 4.04 | |
| AGRICULTURAL LIVESTOCK WATERING | 1,697.10 | 97.94 | .00 | 2.06 | |
| AQUATIC AND WILDLIFE (COLDWATER FISHERY) | 342.90 | 42.20 | .00 | 57.80 | |
| AQUATIC AND WILDLIFE (EFFLUENT DEPENDENT WATER) | 32.80 | 54.27 | .00 | 45.73 | |
| AQUATIC AND WILDLIFE (EPHEMERAL) | 33.30 | .00 | .00 | 100.00 | |
| AQUATIC AND WILDLIFE (WARMWATER FISHERY) | 946.90 | 58.35 | .00 | 41.65 | |
| DOMESTIC WATER SOURCE | 257.30 | 100.00 | .00 | .00 | |
| FISH CONSUMPTION | 1,779.80 | 93.76 | .00 | 6.24 | |
| FULL BODY CONTACT | 1,418.50 | 91.97 | .00 | 8.03 | |
| PARTIAL BODY CONTACT | 94.90 | 64.70 | .00 | 35.30 | |
Arizona Assessed Waters
Water Quality Attainment for Rivers and Streams
Description of this table
| Attainment Status | Miles | Percent of Assessed |
| Good | 1,403.10 | 64.15 |
| Threatened | .00 | .00 |
| Impaired | 784.00 | 35.85 |
| Total Miles Assessed | 2,187.10 | 100.00 |
Arizona Top Causes of Impairments
for Rivers and Streams
Description of this table
| # | State Cause Name | Total Miles Impaired |
|---|---|---|
| 1 | COPPER | 214.70 |
| 2 | SELENIUM | 203.90 |
| 3 | TURBIDITY | 106.50 |
| 4 | BACTERIA, ESCHERICHIA COLI | 99.10 |
| 5 | TOXAPHENE | 98.90 |
| 6 | DDT | 98.90 |
| 7 | CHLORDANE | 98.90 |
| 8 | SOLIDS (SUSPENDED/BEDLOAD) | 84.50 |
| 9 | ZINC | 81.40 |
| 10 | CADMIUM | 58.50 |
Arizona Top Probable Sources of Impairments
for Rivers and Streams
Description of this table
| # | State Source Name | Total Miles Impaired by Source |
|---|---|---|
| 1 | NATURAL SOURCES | 622.10 |
| 2 | RANGELAND GRAZING | 267.50 |
| 3 | SOURCE UNKNOWN | 252.50 |
| 4 | IMPACTS FROM ABANDONED MINE LANDS (INACTIVE) | 187.30 |
| 5 | MINE TAILINGS | 179.60 |
| 6 | SOURCES OUTSIDE STATE JURISTICTION OR BORDERS | 161.80 |
| 7 | IRRIGATED CROP PRODUCTION | 127.20 |
| 8 | IMPACTS FROM HYDROSTRUCTURE FLOW REGULATION/MODIFICATION | 112.40 |
| 9 | OTHER RECREATIONAL POLLUTION SOURCES | 60.00 |
| 10 | MILL TAILINGS | 49.10 |
Arizona 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 |
|||||
| AGRICULTURAL IRRIGATION | 44,112.00 | 99.12 | .00 | .88 | |
| AGRICULTURAL LIVESTOCK WATERING | 45,788.00 | 95.81 | .00 | 4.19 | |
| AQUATIC AND WILDLIFE (COLDWATER FISHERY) | 1,152.00 | .00 | .00 | 100.00 | |
| AQUATIC AND WILDLIFE (WARMWATER FISHERY) | 2,051.00 | 11.95 | .00 | 88.05 | |
| DOMESTIC WATER SOURCE | 40,692.00 | 100.00 | .00 | .00 | |
| FISH CONSUMPTION | 49,948.56 | 88.75 | .00 | 11.25 | |
| FULL BODY CONTACT | 2,139.00 | 10.29 | .00 | 89.71 | |
| PARTIAL BODY CONTACT | 15.00 | .00 | .00 | 100.00 | |
Arizona Assessed Waters
Water Quality Attainment for Lakes, Ponds and Reservoirs
Description of this table
| Attainment Status | Acres | Percent of Assessed |
| Good | 43,950.00 | 86.30 |
| Threatened | .00 | .00 |
| Impaired | 6,976.56 | 13.70 |
| Total Acres Assessed | 50,926.56 | 100.00 |
Arizona Top Causes of Impairments
for Lakes, Ponds and Reservoirs
Description of this table
| # | State Cause Name | Total Acres Impaired |
|---|---|---|
| 1 | MERCURY | 5,332.56 |
| 2 | PH | 2,133.00 |
| 3 | AMMONIA (UN-IONIZED) | 1,456.00 |
| 4 | OXYGEN, DISSOLVED | 1,180.00 |
| 5 | NITROGEN (TOTAL) | 395.00 |
| 6 | TOXAPHENE | 285.00 |
| 7 | DDT | 285.00 |
| 8 | CHLORDANE | 285.00 |
| 9 | PHOSPHORUS, ELEMENTAL | 230.00 |
| 10 | PHOSPHORUS (TOTAL) | 15.00 |
Arizona Top Probable Sources of Impairments
for Lakes, Ponds and Reservoirs
Description of this table
| # | State Source Name | Total Acres Impaired by Source |
|---|---|---|
| 1 | NATURAL SOURCES | 4,459.00 |
| 2 | ATMOSPHERIC DEPOSITON - TOXICS | 3,918.56 |
| 3 | SOURCE UNKNOWN | 3,796.00 |
| 4 | IMPACTS FROM ABANDONED MINE LANDS (INACTIVE) | 3,592.56 |
| 5 | INTERNAL NUTRIENT RECYCLING | 2,746.00 |
| 6 | MINE TAILINGS | 1,464.00 |
| 7 | SUBSURFACE (HARDROCK) MININING | 1,414.00 |
| 8 | ON-SITE TREATMENT SYSTEMS (SEPTIC SYSTEMS AND SIMILAR DECENCENTRALIZED SYSTEMS) | 505.00 |
| 9 | OTHER RECREATIONAL POLLUTION SOURCES | 440.00 |
| 10 | POST-DEVELOPMENT EROSION AND SEDIMENTATION | 415.00 |
Arizona
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) | 6.20 | 1,456.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| AQUATIC PLANTS - NATIVE | .00 | 15.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| ARSENIC | 3.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| BACTERIA, ESCHERICHIA COLI | 99.10 | 13.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| BORON | 33.60 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| CADMIUM | 58.50 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| CHLORDANE | 98.90 | 285.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| CHLORINE | 6.20 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| COPPER | 214.70 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| DDE | 2.30 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| DDT | 98.90 | 285.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LEAD | 21.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| MERCURY | 34.60 | 5,332.56 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| NITRATES | 15.50 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| NITROGEN (TOTAL) | 16.60 | 395.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| OXYGEN, DISSOLVED | 50.20 | 1,180.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| PH | 44.00 | 2,133.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| PHOSPHORUS (TOTAL) | .00 | 15.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| PHOSPHORUS, ELEMENTAL | .00 | 230.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SEDIMENTATION/SILTATION | 25.10 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SELENIUM | 203.90 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SILVER | 17.40 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SOLIDS (SUSPENDED/BEDLOAD) | 84.50 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| TOXAPHENE | 98.90 | 285.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| TURBIDITY | 106.50 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| ZINC | 81.40 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
Arizona
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 DEPOSITON - TOXICS | 20.20 | 3,918.56 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| CERCLA NPL (SUPERFUND) SITES | 15.50 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| CONSTRUCTION STORMWATER DISCHARGE (PERMITTED) | .00 | 185.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| CONTAMINATED SEDIMENTS | 20.20 | 185.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| FOREST ROADS (ROAD CONSTRUCTION AND USE) | .00 | 120.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| GOLF COURSES | 39.10 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| ILLEGAL DUMPING | 15.50 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| IMPACTS FROM ABANDONED MINE LANDS (INACTIVE) | 187.30 | 3,592.56 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| IMPACTS FROM HYDROSTRUCTURE FLOW REGULATION/MODIFICATION | 112.40 | 400.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| INTERNAL NUTRIENT RECYCLING | .00 | 2,746.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| IRRIGATED CROP PRODUCTION | 127.20 | 285.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LIVESTOCK (GRAZING OR FEEDING OPERATIONS) | 7.40 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LOSS OF RIPARIAN HABITAT | 39.10 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| MILL TAILINGS | 49.10 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| MINE TAILINGS | 179.60 | 1,464.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| MUNICIPAL (URBANIZED HIGH DENSITY AREA) | 6.20 | 187.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| MUNICIPAL POINT SOURCE DISCHARGES | 35.60 | 15.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| NATURAL SOURCES | 622.10 | 4,459.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| ON-SITE TREATMENT SYSTEMS (SEPTIC SYSTEMS AND SIMILAR DECENCENTRALIZED SYSTEMS) | 31.50 | 505.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| OTHER RECREATIONAL POLLUTION SOURCES | 60.00 | 440.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| PIPELINE BREAKS | 6.20 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| POST-DEVELOPMENT EROSION AND SEDIMENTATION | 38.60 | 415.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| RANGELAND GRAZING | 267.50 | 230.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| RESIDENTIAL DISTRICTS | .00 | 295.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SANITARY SEWER OVERFLOWS (COLLECTION SYSTEM FAILURES) | 6.20 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SITE CLEARANCE (LAND DEVELOPMENT OR REDEVELOPMENT) | .00 | 185.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SOURCE UNKNOWN | 252.50 | 3,796.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SOURCES OUTSIDE STATE JURISTICTION OR BORDERS | 161.80 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SUBSURFACE (HARDROCK) MININING | 15.60 | 1,414.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| UNPERMITTED DISCHARGE (DOMESTIC WASTES) | 6.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| WILDLIFE OTHER THAN WATERFOWL | 27.50 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| WOODLOT SITE MANAGEMENT | 37.10 | 120.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
