COLORADO (YEAR 2000) 305(b) Waters
ID305B CYCLE WATER_NAME LOCATION STATE IMPAIRMENT_DESC STATE_IMP_DESC IMPAIRMENT_NAME
















COARLA01A_3400 2000 Arkansas River -Fountain Crk to near Avondale
CO
METALS METALS
COARLA01A_3400 2000 Arkansas River -Fountain Crk to near Avondale
CO
SELENIUM SELENIUM
COARLA01A_3400 2000 Arkansas River -Fountain Crk to near Avondale
CO
SULFATES SULFATES
COARLA01A_3700 2000 Arkansas River -near Avondale to Colorado Canal
CO
METALS METALS
COARLA01A_3700 2000 Arkansas River -near Avondale to Colorado Canal
CO
SELENIUM SELENIUM
COARLA01A_3700 2000 Arkansas River -near Avondale to Colorado Canal
CO
SULFATES SULFATES
COARLA01B_3700 2000 Arkansas River -Colo Canal to west of Las Animas
CO
METALS METALS
COARLA01B_3700 2000 Arkansas River -Colo Canal to west of Las Animas
CO
SELENIUM SELENIUM
COARLA01B_3700 2000 Arkansas River -Colo Canal to west of Las Animas
CO
SULFATES SULFATES
COARLA01B_4100 2000 Arkansas River -west of Las Animas to J. Martin Reservoir
CO
METALS METALS
COARLA01B_4100 2000 Arkansas River -west of Las Animas to J. Martin Reservoir
CO
SELENIUM SELENIUM
COARLA01B_4100 2000 Arkansas River -west of Las Animas to J. Martin Reservoir
CO
SULFATES SULFATES
COARLA01C_4100 2000 Arkansas River blw J. Martin Reservoir
CO
METALS METALS
COARLA01C_4100 2000 Arkansas River blw J. Martin Reservoir
CO
SELENIUM SELENIUM
COARLA01C_4100 2000 Arkansas River blw J. Martin Reservoir
CO
SULFATES SULFATES
COARMA04L_3400 2000 Teller Reservoir
CO
MERCURY MERCURY
COARMA04L_3400 2000 Teller Reservoir
CO
METALS METALS
COARUA01B_3300 2000 Arkansas River, East Fork
CO
LEAD LEAD
COARUA01B_3300 2000 Arkansas River, East Fork
CO
METALS METALS
COARUA01B_3300 2000 Arkansas River, East Fork
CO
ZINC ZINC
COARUA02B_3300 2000 Arkansas River above Lake Fork
CO
CADMIUM CADMIUM
COARUA02B_3300 2000 Arkansas River above Lake Fork
CO
METALS METALS
COARUA02B_3300 2000 Arkansas River above Lake Fork
CO
ZINC ZINC
COARUA02C_3300 2000 Arkansas River -Lake Fork to Lake Creek
CO
METALS METALS
COARUA02C_3300 2000 Arkansas River -Lake Fork to Lake Creek
CO
ZINC ZINC
COARUA09_3300 2000 Iowa Gulch -Paddock Ditch1 to Arkansas River
CO
METALS METALS
COARUA09_3300 2000 Iowa Gulch -Paddock Ditch1 to Arkansas River
CO
ZINC ZINC
COARUA10_3300 2000 Lake Creek mainstem & some tributaries
CO
COPPER COPPER
COARUA10_3300 2000 Lake Creek mainstem & some tributaries
CO
METALS METALS
COARUA11_3300 2000 Lake Creek, South Fork
CO
COPPER COPPER
COARUA11_3300 2000 Lake Creek, South Fork
CO
METALS METALS
COARUA11_3300 2000 Lake Creek, South Fork
CO
PH PH
COARUA12_333D 2000 Chalk Creek
CO
METALS METALS
COARUA12_333D 2000 Chalk Creek
CO
ZINC ZINC
COARUA16C_3300 2000 Tallahasse Creek to confluence
CO
METALS METALS
COARUA19_3400 2000 Fourmile Creek abv Cripple Creek
CO
METALS METALS
COARUA22A_3400 2000 Arequa Gulch -source to Cripple Creek
CO
PH PH
COGULG02_7100 2000 Gunnison River -Uncompaghre to Colorado
CO
METALS METALS
COGULG02_7100 2000 Gunnison River -Uncompaghre to Colorado
CO
SELENIUM SELENIUM
COGULG09_7100 2000 Fruitgrowers Reservoir
CO
PATHOGENS PATHOGENS
COGULG09_7100 2000 Fruitgrowers Reservoir
CO
UNIONIZED AMMONIA UNIONIZED AMMONIA
COGUNF05_703D 2000 Hubbard, Terror, Minnesota & Leroux Creeks
CO
METALS METALS
COGUNF05_703D 2000 Hubbard, Terror, Minnesota & Leroux Creeks
CO
SELENIUM SELENIUM
COGUSM03A_7500 2000 San Miguel River -Bridal Vail/Ingram Creeks to Marshall Crk
CO
METALS METALS
COGUSM03A_7500 2000 San Miguel River -Bridal Vail/Ingram Creeks to Marshall Crk
CO
ZINC ZINC
COGUSM03B_7500 2000 San Miguel River -Marshall Crk to S. Fork San Miguel River
CO
METALS METALS
COGUSM03B_7500 2000 San Miguel River -Marshall Crk to S. Fork San Miguel River
CO
SILTATION SEDIMENT/SILTATION
COGUSM03B_7500 2000 San Miguel River -Marshall Crk to S. Fork San Miguel River
CO
ZINC ZINC
COGUSM06B_7500 2000 Marshall Creek
CO
METALS METALS
COGUSM06B_7500 2000 Marshall Creek
CO
ZINC ZINC
COGUUG08_6700 2000 Slate River -u/s Coal Creek to confluence with East River
CO
METALS METALS
COGUUG08_6700 2000 Slate River -u/s Coal Creek to confluence with East River
CO
ZINC ZINC
COGUUN03_7200 2000 Uncompahgre River -Red Mtn Creek to Hwy 550
CO
METALS METALS
COGUUN04_7200 2000 Uncompahgre River -below Hwy 550
CO
METALS METALS
COGUUN04_7200 2000 Uncompahgre River -below Hwy 550
CO
PATHOGENS PATHOGENS
COGUUN04_7200 2000 Uncompahgre River -below Hwy 550
CO
SELENIUM SELENIUM
COGUUN14_7200 2000 Sweitzer Lake
CO
METALS METALS
COGUUN14_7200 2000 Sweitzer Lake
CO
SELENIUM SELENIUM
CORGAL03A_5500 2000 Alamosa River -Alum Creek to Wightman Fork
CO
COPPER COPPER
CORGAL03A_5500 2000 Alamosa River -Alum Creek to Wightman Fork
CO
METALS METALS
CORGAL03A_5500 2000 Alamosa River -Alum Creek to Wightman Fork
CO
PH PH
CORGAL03B_5500 2000 Alamosa River -Wightman Fork to Fern Creek
CO
COPPER COPPER
CORGAL03B_5500 2000 Alamosa River -Wightman Fork to Fern Creek
CO
METALS METALS
CORGAL03B_5500 2000 Alamosa River -Wightman Fork to Fern Creek
CO
PH PH
CORGAL05_5500 2000 Wightman Fork -upper
CO
METALS METALS
CORGAL05_5500 2000 Wightman Fork -upper
CO
ZINC ZINC
CORGAL08_5500 2000 Terrace Reservoir
CO
COPPER COPPER
CORGAL08_5500 2000 Terrace Reservoir
CO
METALS METALS
CORGAL08_5500 2000 Terrace Reservoir
CO
PH PH
CORGAL08_5500 2000 Terrace Reservoir
CO
ZINC ZINC
CORGAL09_5500 2000 Alamosa River -Terrace Res. To CO Hwy 15
CO
COPPER COPPER
CORGAL09_5500 2000 Alamosa River -Terrace Res. To CO Hwy 15
CO
METALS METALS
CORGAL09_5500 2000 Alamosa River -Terrace Res. To CO Hwy 15
CO
PH PH
CORGAL09_5500 2000 Alamosa River -Terrace Res. To CO Hwy 15
CO
ZINC ZINC
CORGAL10_5500 2000 Alamosa River -below CO Hwy 15
CO
COPPER COPPER
CORGAL10_5500 2000 Alamosa River -below CO Hwy 15
CO
METALS METALS
CORGCB09A_5600 2000 Kerber Creek -source to above Brewery Creek
CO
CADMIUM CADMIUM
CORGCB09A_5600 2000 Kerber Creek -source to above Brewery Creek
CO
COPPER COPPER
CORGCB09A_5600 2000 Kerber Creek -source to above Brewery Creek
CO
METALS METALS
CORGCB09A_5600 2000 Kerber Creek -source to above Brewery Creek
CO
ZINC ZINC
CORGCB09B_5600 2000 Kerber Creek -Brewery Creek to San Luis Creek
CO
ARSENIC ARSENIC
CORGCB09B_5600 2000 Kerber Creek -Brewery Creek to San Luis Creek
CO
CADMIUM CADMIUM
CORGCB09B_5600 2000 Kerber Creek -Brewery Creek to San Luis Creek
CO
METALS METALS
CORGCB09B_5600 2000 Kerber Creek -Brewery Creek to San Luis Creek
CO
ZINC ZINC
CORGCB12_573D 2000 Big Springs Creek
CO
SILTATION SEDIMENT/SILTATION
CORGRG04_543D 2000 Rio Grande -below Willow Creek
CO
CADMIUM CADMIUM
CORGRG04_543D 2000 Rio Grande -below Willow Creek
CO
METALS METALS
CORGRG04_543D 2000 Rio Grande -below Willow Creek
CO
ZINC ZINC
CORGRG30L1_553D 2000 Sanchez Reservoir
CO
MERCURY MERCURY
CORGRG30L1_553D 2000 Sanchez Reservoir
CO
METALS METALS
COSJAF04A_8900 2000 Animas River -Mineral Creek to Elk Creek
CO
COPPER COPPER
COSJAF04A_8900 2000 Animas River -Mineral Creek to Elk Creek
CO
METALS METALS
COSJAF04A_8900 2000 Animas River -Mineral Creek to Elk Creek
CO
PH PH
COSJAF04A_8900 2000 Animas River -Mineral Creek to Elk Creek
CO
ZINC ZINC
COSJAF04B_8900 2000 Animas River -Elk Creek to Junction Creek
CO
METALS METALS
COSJAF04B_8900 2000 Animas River -Elk Creek to Junction Creek
CO
ZINC ZINC
COSJAF05A_8900 2000 Animas River -Junction Creek to the Southern Ute Indian Res.
CO
METALS METALS
COSJAF09B_8900 2000 Mineral Creek -S. Mineral Creek confluence to Animas River
CO
COPPER COPPER
COSJAF09B_8900 2000 Mineral Creek -S. Mineral Creek confluence to Animas River
CO
METALS METALS
COSJAF09B_8900 2000 Mineral Creek -S. Mineral Creek confluence to Animas River
CO
PH PH
COSJAF09B_8900 2000 Mineral Creek -S. Mineral Creek confluence to Animas River
CO
ZINC ZINC
COSJDO04L_743D 2000 McPhee Reservoir
CO
MERCURY MERCURY
COSJDO04L_743D 2000 McPhee Reservoir
CO
METALS METALS
COSJDO05_743D 2000 Silver Creek above Rico drinking water supply
CO
CADMIUM CADMIUM
COSJDO05_743D 2000 Silver Creek above Rico drinking water supply
CO
METALS METALS
COSJDO05_743D 2000 Silver Creek above Rico drinking water supply
CO
ZINC ZINC
COSJLP04_9100 2000 Mancos River -source to Hwy 160
CO
COPPER COPPER
COSJLP04_9100 2000 Mancos River -source to Hwy 160
CO
METALS METALS
COSJLP04_913D 2000 Mancos River -Box Canyon
CO
SILTATION SEDIMENT/SILTATION
COSJLP11_933D 2000 Narraguinnep Reservoir
CO
MERCURY MERCURY
COSJLP11_933D 2000 Narraguinnep Reservoir
CO
METALS METALS
COSJSJ09A_873D 2000 Rio Blanco River
CO
SILTATION SEDIMENT/SILTATION
COSPBO09_0800 2000 Boulder Creek -S. Boulder Creek to Coal Creek
CO
CAUSE UNKNOWN CAUSE UNKNOWN
COSPBO09_0800 2000 Boulder Creek -S. Boulder Creek to Coal Creek
CO
UNIONIZED AMMONIA UNIONIZED AMMONIA
COSPBO10_0800 2000 Boulder Creek -Coal Creek to St. Vrain confluence
CO
CAUSE UNKNOWN CAUSE UNKNOWN
COSPBO10_0800 2000 Boulder Creek -Coal Creek to St. Vrain confluence
CO
UNIONIZED AMMONIA UNIONIZED AMMONIA
COSPBT05_0900 2000 Big Thompson River I-25 to S. Platte River confluence
CO
METALS METALS
COSPBT05_0900 2000 Big Thompson River I-25 to S. Platte River confluence
CO
PATHOGENS PATHOGENS
COSPBT09_0900 2000 Little Thompson -Culver ditch to Big Thompson River
CO
METALS METALS
COSPBT09_0900 2000 Little Thompson -Culver ditch to Big Thompson River
CO
PATHOGENS PATHOGENS
COSPCL02_0700 2000 Clear Creek, I-70 at Silver Plume to Argo Tunnel
CO
COPPER COPPER
COSPCL02_0700 2000 Clear Creek, I-70 at Silver Plume to Argo Tunnel
CO
METALS METALS
COSPCL02_0700 2000 Clear Creek, I-70 at Silver Plume to Argo Tunnel
CO
ZINC ZINC
COSPCL09_0701 2000 Silver Creek
CO
COPPER COPPER
COSPCL09_0701 2000 Silver Creek
CO
METALS METALS
COSPCL09_0701 2000 Silver Creek
CO
ZINC ZINC
COSPCL11_0700 2000 Clear Creek -Argo Tunnel to Farmers Highline Canal
CO
METALS METALS
COSPCL11_0700 2000 Clear Creek -Argo Tunnel to Farmers Highline Canal
CO
ZINC ZINC
COSPCL13_0700 2000 North Clear Creek -source to Clear Creek confluence
CO
CADMIUM CADMIUM
COSPCL13_0700 2000 North Clear Creek -source to Clear Creek confluence
CO
CAUSE UNKNOWN CAUSE UNKNOWN
COSPCL13_0700 2000 North Clear Creek -source to Clear Creek confluence
CO
COPPER COPPER
COSPCL13_0700 2000 North Clear Creek -source to Clear Creek confluence
CO
METALS METALS
COSPCL13_0700 2000 North Clear Creek -source to Clear Creek confluence
CO
ZINC ZINC
COSPCL14_0700 2000 Clear Creek -Farmers Highline Canal to Youngfield St.
CO
CADMIUM CADMIUM
COSPCL14_0700 2000 Clear Creek -Farmers Highline Canal to Youngfield St.
CO
METALS METALS
COSPCL15_0700 2000 Clear Creek -Youngfield St. to S. Platte confluence
CO
METALS METALS
COSPCP07_103D 2000 N. Fork Cache La Poudre River below Halligan Reservoir
CO
SILTATION SEDIMENT/SILTATION
COSPRE03_2300 2000 Republican River -North Fork
CO
CAUSE UNKNOWN CAUSE UNKNOWN
COSPSV03_0800 2000 St. Vrain Creek -Hygiene Rd to S. Platte confluence
CO
CAUSE UNKNOWN CAUSE UNKNOWN
COSPSV03_0800 2000 St. Vrain Creek -Hygiene Rd to S. Platte confluence
CO
UNIONIZED AMMONIA UNIONIZED AMMONIA
COSPSV04_083D 2000 Little James Creek Watershed
CO
CADMIUM CADMIUM
COSPSV04_083D 2000 Little James Creek Watershed
CO
METALS METALS
COSPSV04_083D 2000 Little James Creek Watershed
CO
PH PH
COSPSV04_083D 2000 Little James Creek Watershed
CO
ZINC ZINC
COSPUS01A_043D 2000 S. Platte River -11 Mile dam to Cheesman Res.
CO
SILTATION SEDIMENT/SILTATION
COSPUS02B_0400 2000 Mosquito Creek -S. Mosquito Crk to Middle Fork confl
CO
CADMIUM CADMIUM
COSPUS02B_0400 2000 Mosquito Creek -S. Mosquito Crk to Middle Fork confl
CO
LEAD LEAD
COSPUS02B_0400 2000 Mosquito Creek -S. Mosquito Crk to Middle Fork confl
CO
METALS METALS
COSPUS02B_0400 2000 Mosquito Creek -S. Mosquito Crk to Middle Fork confl
CO
ZINC ZINC
COSPUS02C_0400 2000 South Mosquito Creek
CO
CADMIUM CADMIUM
COSPUS02C_0400 2000 South Mosquito Creek
CO
METALS METALS
COSPUS02C_0400 2000 South Mosquito Creek
CO
ZINC ZINC
COSPUS03_053D 2000 Trout Creek and Tribs on National Forest land
CO
SILTATION SEDIMENT/SILTATION
COSPUS04_053D 2000 Hall Valley Area to Geneva Creek
CO
CADMIUM CADMIUM
COSPUS04_053D 2000 Hall Valley Area to Geneva Creek
CO
COPPER COPPER
COSPUS04_053D 2000 Hall Valley Area to Geneva Creek
CO
LEAD LEAD
COSPUS04_053D 2000 Hall Valley Area to Geneva Creek
CO
METALS METALS
COSPUS05B_0500 2000 Geneva Crk -Scott Gomer Ck to N. Fork South Platte River
CO
METALS METALS
COSPUS05B_0500 2000 Geneva Crk -Scott Gomer Ck to N. Fork South Platte River
CO
ZINC ZINC
COSPUS14_0500 2000 S. Platte River -Bowles Ave. to Cherry Creek confluence
CO
METALS METALS
COSPUS14_0500 2000 S. Platte River -Bowles Ave. to Cherry Creek confluence
CO
NITRATE NITRATE
COSPUS14_0500 2000 S. Platte River -Bowles Ave. to Cherry Creek confluence
CO
NUTRIENTS NUTRIENTS
COSPUS14_0500 2000 S. Platte River -Bowles Ave. to Cherry Creek confluence
CO
PATHOGENS PATHOGENS
COSPUS14_0600 2000 S. Platte River -Cherry Creek confl to the Burlington ditch
CO
METALS METALS
COSPUS14_0600 2000 S. Platte River -Cherry Creek confl to the Burlington ditch
CO
NITRATE NITRATE
COSPUS14_0600 2000 S. Platte River -Cherry Creek confl to the Burlington ditch
CO
NUTRIENTS NUTRIENTS
COSPUS14_0600 2000 S. Platte River -Cherry Creek confl to the Burlington ditch
CO
PATHOGENS PATHOGENS
COSPUS15_0600 2000 S. Platte River -Burlington ditch to Big Dry Creek
CO
CADMIUM CADMIUM
COSPUS15_0600 2000 S. Platte River -Burlington ditch to Big Dry Creek
CO
COPPER COPPER
COSPUS15_0600 2000 S. Platte River -Burlington ditch to Big Dry Creek
CO
METALS METALS
COSPUS15_0600 2000 S. Platte River -Burlington ditch to Big Dry Creek
CO
NITRATE NITRATE
COSPUS15_0600 2000 S. Platte River -Burlington ditch to Big Dry Creek
CO
NUTRIENTS NUTRIENTS
COSPUS15_0600 2000 S. Platte River -Burlington ditch to Big Dry Creek
CO
ORGANIC ENRICHMENT/LOW DO ORGANIC ENRICHMENT/LOW DO
COSPUS16L1_063D 2000 Mary Lake
CO
MERCURY MERCURY
COSPUS16L1_063D 2000 Mary Lake
CO
METALS METALS
COSPUS16L1_063D 2000 Mary Lake
CO
PESTICIDES PESTICIDES
COSPUS16L2_063D 2000 Ladora Lake
CO
MERCURY MERCURY
COSPUS16L2_063D 2000 Ladora Lake
CO
METALS METALS
COSPUS16L2_063D 2000 Ladora Lake
CO
PESTICIDES PESTICIDES
COSPUS16L3_063D 2000 Lower Derby Lake
CO
MERCURY MERCURY
COSPUS16L3_063D 2000 Lower Derby Lake
CO
METALS METALS
COSPUS16L3_063D 2000 Lower Derby Lake
CO
PESTICIDES PESTICIDES
COUCBL02_6200 2000 Blue River -French Gulch to above Swan River
CO
CADMIUM CADMIUM
COUCBL02_6200 2000 Blue River -French Gulch to above Swan River
CO
METALS METALS
COUCBL02_6200 2000 Blue River -French Gulch to above Swan River
CO
ZINC ZINC
COUCBL06_6200 2000 Snake River -source to Peru Creek
CO
CADMIUM CADMIUM
COUCBL06_6200 2000 Snake River -source to Peru Creek
CO
COPPER COPPER
COUCBL06_6200 2000 Snake River -source to Peru Creek
CO
LEAD LEAD
COUCBL06_6200 2000 Snake River -source to Peru Creek
CO
METALS METALS
COUCBL06_6200 2000 Snake River -source to Peru Creek
CO
ZINC ZINC
COUCBL06_623D 2000 Snake River -below Peru Creek to Dillon Reservoir
CO
CADMIUM CADMIUM
COUCBL06_623D 2000 Snake River -below Peru Creek to Dillon Reservoir
CO
COPPER COPPER
COUCBL06_623D 2000 Snake River -below Peru Creek to Dillon Reservoir
CO
METALS METALS
COUCBL06_623D 2000 Snake River -below Peru Creek to Dillon Reservoir
CO
ZINC ZINC
COUCBL07_6200 2000 Peru Creek
CO
CADMIUM CADMIUM
COUCBL07_6200 2000 Peru Creek
CO
COPPER COPPER
COUCBL07_6200 2000 Peru Creek
CO
METALS METALS
COUCBL11_6200 2000 French Gulch -below Lincoln to Blue River
CO
CADMIUM CADMIUM
COUCBL11_6200 2000 French Gulch -below Lincoln to Blue River
CO
LEAD LEAD
COUCBL11_6200 2000 French Gulch -below Lincoln to Blue River
CO
METALS METALS
COUCBL11_6200 2000 French Gulch -below Lincoln to Blue River
CO
PH PH
COUCBL11_6200 2000 French Gulch -below Lincoln to Blue River
CO
ZINC ZINC
COUCBL18_6200 2000 Straight Creek
CO
SILTATION SEDIMENT/SILTATION
COUCEA05_6300 2000 Eagle River -bridge @ Belden to Gore Creek
CO
METALS METALS
COUCEA05_6300 2000 Eagle River -bridge @ Belden to Gore Creek
CO
ZINC ZINC
COUCEA07_6300 2000 Cross Creek -source to Eagle River confluence
CO
METALS METALS
COUCEA07_6300 2000 Cross Creek -source to Eagle River confluence
CO
ZINC ZINC
COUCEA09_6300 2000 Eagle River -Gore Creek to Colorado River confluence
CO
METALS METALS
COUCRF03_6400 2000 Roaring Fork River
CO
PH PH
COUCRF09_6400 2000 Coal Creek -source to Crystal River
CO
METALS METALS
COUCUC06C_6100 2000 Willow Creek, Un-named tributary to
CO
UNIONIZED AMMONIA UNIONIZED AMMONIA
COUCUC08_6100 2000 Williams Fork River -source to Colorado River confluence
CO
METALS METALS