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Assessment Data for
Colorado, Uncompahange Watershed (8 Digit USGS Cataloging Unit), Year 2006

Description of this table
For a report glossary please click here.

Click on the Water Name link to get 305(b) Lists/Assessment Unit Information Report

Table Legend: Water Status is GoodWater Status is Threatened Water Status is ImpairedWater Status has not been Assessed

Water Name Assessment Unit ID Location Map State Water Type Water Size Unit Water Status
Canyon, Imogene & Sneffels Creeks COGUUN09_7200 Mainstem of Canyon Creek from its inception at the confluence of Imogene and Sneffles Creek to the confluence with the Uncompahgre River. Mainstem of Imogene Creek from its source to its confluence with Canyon Creek. Mainstem and all tributaries of Snef Map Assessed Water CO RIVER 9.21 MILES IMPAIRED
Coal Creek and others COGUUN11_7200 Mainstem of Coal Creek from the source to the Park Ditch, mainstem of Dallas Creek from the source of the East and West Forks to the confluence with the Uncompahgre River; mainstem of Cow Creek, including all tributaries, lakes and reservoirs, from the Bi Map Assessed Water CO RIVER 164.47 MILES GOOD
Dry Creek COGUUN15B_00 HUC: 14020006 No Mapping Data CO RIVER 8 MILES NOT ASSESSED
Dry Creek, east and west forks COGUUN13_7200 Mainstem of East Fork Dry Creek and West Fork Dry Creek from their sources to their confluence; mainstem of Spring Creek and Middle Spring Creek from the source to the confluence with the Uncompahgre River, and mainstem of Mexican Gulch from the source to Map Assessed Water CO RIVER 51.96 MILES GOOD
Gray Copper Gulch COGUUN07_7200 Mainstem of Gray Copper Gulch from the source to the confluence with Red Mountain Creek. Map Assessed Water CO RIVER 2.32 MILES GOOD
Happy Canyon, Horsefly Creek, Dry Creek COGUUN15A_7200 HUC: 14020006 Map Assessed Water CO RIVER 23.3 MILES GOOD
Lower Red Mountain Creek COGUUN06B_00 HUC: 14020006 Map Assessed Water CO RIVER 4 MILES NOT ASSESSED
Mineral Creek COGUUN08_7200 Mainstem of Mineral Creek from the source to the confluence with the Uncompahgre River. Map Assessed Water CO RIVER 3.13 MILES NOT ASSESSED
Red Mountain Creek COGUUN06A_7200 HUC: 14020006 Map Assessed Water CO RIVER 7.51 MILES NOT ASSESSED
Ridgeway Reservoir COGUUN03L_7200 Mainstem of the Uncompahgre River, including Ridgway Reservoir, from a point immediately above the confluence with Red Mountain Creek to the Highway 90 bridge at Montrose. Map Assessed Water CO FRESHWATER LAKE 1030 ACRES GOOD
Sweitzer Lake COGUUN14_7200 Sweitzer Lake. Map Assessed Water CO FRESHWATER LAKE 125.6 ACRES IMPAIRED
Uncompahgre River COGUUN02_7200 Mainstem of the Uncompahgre River from the source at Como Lake (Poughkeepsie Gulch) to a point immediately above the confluence with Red Mountain Creek. Map Assessed Water CO RIVER 5.52 MILES IMPAIRED
Uncompahgre River - La Salle Road to Confluence Park COGUUN04B_00 HUC: 14020006 No Mapping Data CO RIVER 27.5 MILES IMPAIRED
Uncompahgre River -Red Mtn Creek to Ridgway Reservoir COGUUN03_7201 Mainstem of the Uncompahgre River, including Ridgway Reservoir, from a point immediately above the confluence with Red Mountain Creek to the Highway 90 bridge at Montrose. Map Assessed Water CO RIVER 15 MILES IMPAIRED
Uncompahgre River -Ridgway Reseroir to Hwy 550 COGUUN03_7200 Mainstem of the Uncompahgre River, including Ridgway Reservoir, from a point immediately above the confluence with Red Mountain Creek to the Highway 90 bridge at Montrose. Map Assessed Water CO RIVER 24.92 MILES IMPAIRED
Uncompahgre River -below Hwy 550 COGUUN04A_7200 HUC: 14020006 No Mapping Data CO RIVER 3 MILES GOOD
Uncompahgre River Tributaries COGUUN01_7200 All tributaries to the Uncompahgre River, including all wetlands, lakes and reservoirs, which are within the Mt. Sneffels and Big Blue Wilderness Areas. Map Assessed Water CO RIVER 40.18 MILES NOT ASSESSED
Uncompahgre River from Confluence Park to Gunnison River COGUUN04C_00 HUC: 14020006 No Mapping Data CO RIVER 1 MILES IMPAIRED
Uncompahgre River tributaries COGUUN12_7200 All tributaries to the Uncompahgre River, including all wetlands, lakes and reservoirs, from the South Canal near Uncompahgre to the confluence with the Gunnison River, except for specific listings in Segments 13, 14 and 15. Map Assessed Water CO RIVER 653.84 MILES IMPAIRED
Uncompahgre River tributaries COGUUN05_7200 All tributaries to the Uncompahgre River, including all wetlands, lakes and reservoirs, from the source to a point immediately below the confluence with Dexter Creek, except for specific listings in Segments 1 and 6 thru 9. Map Assessed Water CO RIVER 41.05 MILES GOOD
Uncompahgre River tributaries COGUUN10_7200 All tributaries to the Uncompahgre River, including all wetlands, lakes and reservoirs, from a point immediately below the confluence with Dexter Creek to the South Canal near Uncompahgre, except for specific listings in Segments 1 and 11. Map Assessed Water CO RIVER 128.04 MILES NOT ASSESSED

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State Causes of Impairment

Colorado, Uncompahange Watershed

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) Great Lakes Connecting Channel (Miles)
CAUSE UNKNOWN 6.00 .00 .00 .00 .00 .00 .00 .00 .00 .00
ZINC 44.19 .00 .00 .00 .00 .00 .00 .00 .00 .00
SELENIUM 2,047.02 376.80 .00 .00 .00 .00 .00 .00 .00 .00
IRON 119.76 .00 .00 .00 .00 .00 .00 .00 .00 .00
COPPER 136.32 .00 .00 .00 .00 .00 .00 .00 .00 .00

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Probable Sources Contributing to Impairment

Colorado, Uncompahange Watershed

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) Great Lakes Connecting Channel (Miles)
IMPACTS FROM ABANDONED MINE LANDS (INACTIVE) 54.65 .00 .00 .00 .00 .00 .00 .00 .00 .00
SOURCE UNKNOWN 685.34 125.60 .00 .00 .00 .00 .00 .00 .00 .00

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Clicking anywhere on this watershed map will take you to the Enviromapper for Water website, where you can view and map various types of environmental information for the watershed. This information includes Superfund sites, water discharge permits, toxic releases, and more.

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