List of Impaired Waters | WATERS

Colorado Impaired Waters

State	Waterbody Name	Map	State Basin Name	Location
NOTE: Click on the underlined Waterbody Name for a detailed Listed Water Report. Click on the underlined "Waterbody Map" for a map of the Listed Water.
CO	Adobe & Gageby Creeks, West May Valley Drain, Willow Creek	Data Unavailable		Huc: 11020009
CO	Adobe Creek	Data Unavailable		Huc: 11020009
CO	Adobe Creek - Colorado River Trib	Data Unavailable		Huc: 14010005 All Tributaries To The Colorado River, Including Wetlands, From The Government Highline Canal Diversion To A Point Immediately Below Salt Creek, Downgradient From The Government Highline Canal, The Orchard Mesa Canal No. 2, Orchard Mesa Dra
CO	Adobe Creek Reservoir	Data Unavailable		Huc: 11020009
CO	Alamosa River -Wightman Fork To Fern Creek	Data Unavailable		Huc: 13010002 Mainstem Of The Alamosa River From Immediately Above The Confluence With The Wightman Fork To Immediately Above The Confluence With Fern Creek
CO	Alamosa River Abv Alum Creek	Data Unavailable		Huc: 13010002 Mainstem Of The Alamosa River, Including All Tributaries, Wetlands, Lakes And Reservoirs From Source To Immediately Above The Confluence With Alum Creek, Except For Specific Listings In Segment 1.
CO	Alkali Creek	Data Unavailable		Huc: 14010005
CO	Alkali Slough	Data Unavailable		Huc: 14010001 All Tributaries To The Colorado River, Including All Wetlands, From A Point Immediately Above The Confluence With The Blue River To A Point Immediately Below The Confluence With The Roaring Fork River, Which Are Not On National Forest Lands
CO	Apache Creek	Data Unavailable		Huc: 11020012
CO	Apishapa River -Mainstem	Data Unavailable		Huc: 11020007
CO	Arkansas River - Avondale To Colorado Canal	Data Unavailable		Huc: 11020005
CO	Arkansas River - Below Lake Creek	Data Unavailable		Excluding Grape Creek, All Of Coarua03: Mainstem Of The Arkansas River From A Point Immediately Above The Confluence With The Lake Creek To The Inlet To Pueblo Reservoir.
CO	Arkansas River - California Gulch To Lake Fork	Data Unavailable		Mainstem Of The Arkansas River From A Point Immediately Above California Gulch To A Point Immediately Above The Confluence With Lake Fork.
CO	Arkansas River - Colorado Canal To West Of Las Animas	Data Unavailable		Huc: 11020005
CO	Arkansas River - West Of Las Animas To J. Martin Reservoir	Data Unavailable		Huc: 11020009
CO	Arkansas River -Fountain Creek To Near Avondale	Data Unavailable		Huc: 11020002
CO	Arkansas River -Lake Fork To Lake Creek	Data Unavailable		Mainstem Of The Arkansas River From A Point Immediately Above The Confluence With The Lake Fork To A Point Immediately Above The Confluence With Lake Creek.
CO	Arkansas River Below J. Martin Reservoir	Data Unavailable		Huc: 11020009
CO	Arkansas River, Main & East Fork - Birdseye To California	Data Unavailable		Mainstem Of The East Fork Of The Arkansas River And The Arkansas River From A Point Immediately Above The Confluence With Birdseye Gulch To A Point Immediately Above The Confluence With The California Gulch.
CO	Barr Lake	Data Unavailable		Barr Lake
CO	Bear Creek	Data Unavailable		Huc: 10190002 Mainstem Of Bear Creek From The Outlet Of Bear Creek Reservoir To The Confluence With The South Platte River.
CO	Beaver Creek Reservoir	Data Unavailable		Huc: 13010001 Mainstem Of The South Fork Of Rio Grande, Including All Tributaries, Wetlands, Lakes And Reservoirs, From Source To Confluence With Rio Grande Except Segment 1.
CO	Below Mesa Road	Data Unavailable		Mainstem Of Monument Creek, From The Boundary Of National Forest Lands To The Confluence With Fountain Creek.
CO	Berkely Lake	Data Unavailable		Huc: 10190003 Washington Park Lakes, City Park Lake, Rocky Mountain Lake, Berkely Lake.
CO	Big Hollow	Data Unavailable		Mainstem Of Boulder Creek From The Confluence With Coal Creek To The Confluence With St. Vrain Creek.
CO	Big Sandy Creek Headwaters	Data Unavailable		Huc: 11020011
CO	Big Thompson River I-25 To S. Platte River Confluence	Data Unavailable		Mainstem Of The Big Thompson River From I-25 To The Confluence With The South Platte River.
CO	Black Gore Creek	Data Unavailable		Huc: 14010003
CO	Bob Creek	Data Unavailable		Huc: 11020005
CO	Boggs Creek	Data Unavailable		Huc: 11020002
CO	Boulder Creek - 13th Street In Boulder To S. Boulder Creek	Data Unavailable		Mainstem Of Boulder Creek, Including All Tributaries, Lakes, Reservoirs And Wetlands, From The Boundary Of The Indian Peaks Wilderness Area To A Point Immediately Above The Confluence With South Boulder Creek, Except For The Specific Listings In Segment 3
CO	Boulder Creek From Coal Creek To St. Vrain Confluence	Data Unavailable		Mainstem Of Boulder Creek From The Confluence With Coal Creek To The Confluence With St. Vrain Creek.
CO	Boxelder Creek	Data Unavailable		Huc: 10190007
CO	Boyd Lake	Data Unavailable		Lake Loveland, Horseshoe Lake, Boyd Lake.
CO	Breckenridge Creek & Little Horse Creek	Data Unavailable		Huc: 11020008
CO	Brush Hollow Reservoir	Data Unavailable		Mainstem Of Eightmile Creek, Including All Tributaries, Wetlands, Lakes And Reservoirs, From The Source To The Mouth Of Phantom Canyon; Brush Hollow Reservoir
CO	Cache La Poudre Above Eaton Draw	Data Unavailable		Huc: 10190007
CO	Cache La Poudre River	Data Unavailable		Mainstem Of The Cache La Poudre River From The Monroe Gravity Canal/North Poudre Supply Canal Diversion To Shields Street In Ft. Collins, Colorado.
CO	Cache La Poudre River Below Eaton Draw	Data Unavailable		Huc: 10190003
CO	Carter Lake	Data Unavailable		Carter Lake.
CO	Chalk Creek	Data Unavailable		Huc: 11020001
CO	Cherry Creek	Data Unavailable		Huc: 14080105 All Tributaries To The La Plata River, Including All Wetlands, Lakes And Reservoirs, From The Hay Gulch Diversions South Of Hesperus To The Southern Ute Indian Reservation Boundary.
CO	Cherry Creek Reservoir	Data Unavailable		Huc: 10190003
CO	Chicosa Creek	Data Unavailable		Huc: 11020005
CO	Clear Creek	Data Unavailable		Trail Creek And Tributaries
CO	Clear Creek - Argo Tunnel To Farmers Highline Canal	Data Unavailable		Mainstem Of Clear Creek From The Argo Tunnel Discharge To The Farmers Highline Canal Diversion In Golden, Colorado.
CO	Clear Creek - Denver Water Conduit To Youngfield St.	Data Unavailable		Huc: 10190004
CO	Clear Creek -Youngfield St. To S. Platte Confluence	Data Unavailable		Huc: 10190004
CO	Coal Creek	Data Unavailable		Huc: 14020001 Mainstem Of Coal Creek, Including All Tributaries And Wetlands From A Point Immediately Below The Crested Butte Water Supply Intake Which Is Above The Confluence With The Mount Emmons/Red Lady Basin Drainage To The Confluence With The Slate
CO	Coal Creek	Data Unavailable		Huc: 14020001 Mainstem Of Coal Creek From A Point Immediately Above The Confluence With Elk Creek To A Point Immediately Below The Crested Butte Water Supply Intake Which Is Above The Confluence With The Mount Emmons/Red Lady Basin Drainage; And Elk Cree
CO	Coal Creek From Highway 36 To Boulder Creek	Data Unavailable		Mainstem Of Coal Creek From Highway 36 To The Confluence With Boulder Creek.
CO	Colorado River	Data Unavailable		Huc: 14010005 Mainstem Of Colorado River From Immediately Above The Confluence Of The Gunnison River To The Colorado-Utah State Line.
CO	Corral Creek And Duck Creek	Data Unavailable		Huc: 14050006 Mainstem Of Yellow Creek, Including All Tributaries, From The Source To The Confluence With The White River.
CO	Cottonwood Creek	Data Unavailable		Huc: 14020004 Mainstem And All Tributaries To Bear Creek, Reynolds Creek, Bell Creek, Mcdonald Creek, Cottonwood Creek, Love Gulch, Cow Creek, Dever Creek, German Creek, Miller Creek, Stevens Gulch, Big Gulch, Stingley Gulch
CO	Cross Creek -Source To Eagle River Confluence	Data Unavailable		Huc: 14010003
CO	Cucharas River -Ws Div Past Reservoir	Data Unavailable		Huc: 11020006
CO	Deweese Reservoir	Data Unavailable		Huc: 1102000113 Mainstem Of Grape Creek From The Source To The Outlet Of De Weese Reservoir; Mainstems Of Texas, Badger, Hayden, Hamilton, Stout, And Big Cottonwood Creeks, Including All Tributaries, Wetlands, Lakes And Reservoirs.
CO	Dig Bry Creek And Tributaires From Source To S. Platte River	Data Unavailable		Mainstem Of Big Dry Creek, Including All Tributaries, Lakes, Reservoirs And Wetlands, From The Source To The Confluence With The South Platte River, Except For Specific Listing In Segment 2, 3, 4a, 4b, 5 And 6.
CO	Dolores River	Data Unavailable		Huc: 14030004 Mainstem Of The Dolores River From The Little Gypsum Valley Bridge At The San Miguel/Montrose County Line, To The Colorado/Utah Border.
CO	Dolores River	Data Unavailable		Huc: 14030002 Mainstem Of The Dolores River From The Little Gypsum Valley Bridge At The San Miguel/Montrose County Line, To The Colorado/Utah Border.
CO	Dolores River	Data Unavailable		Huc: 14030002 Mainstem Of The Dolores River From The Bridge At Bradfield Ranch (Forest Route 505, Near Montezuma/Dolores County Line) To The Little Gypsum Valley Bridge At The San Miguel/Montrose County Line.
CO	Dry Creek	Data Unavailable		Huc: 14050001 Mainstem Of Dry Creek, Including All Tributaries And Wetlands, From The Source To The Confluence With The Yampa River.
CO	Dry Creek	Data Unavailable		All Tributaries To St. Vrain Ck, Including Lakes, Reservoirs, And Wetlands From Hygiene Rd To The Confluence Wih The S Platte River, Except For Specific Listings In The Boulder Creek Sub-Basin And In Segments 41,4b, And 5.
CO	Dry Fork	Data Unavailable		Huc: 14050006 Mainstem Of Roan Creek Including All Tributaries, Wetlands, Lakes And Reservoirs, From A Point Immediately Below The Confluence With Clear Creek To The Confluence With The Colorado River
CO	Eagle River From Martin Ck To Gore Ck	Data Unavailable		Mainstem Of The Eagle River From A Point Immediately Above Martin Creek To A Point Immediately Above The Confluence With Gore Creek.
CO	Eagle River, Bridge @ Belden To Hwy 24 Bridge	Data Unavailable		Huc: 14010003 Mainstem Of The Eagle River From A Point Immediately Above The Compressor House Bridge At Belden To A Point Immediately Above The Highway 24 Bridge Near Tigiwon Road.
CO	Eagle River, Hwy 24 Bridge To Martin Creek	Data Unavailable		Mainstem Of The Eagle River From A Point Immediately Above The Highway 24 Bridge Near Tigiwon Road To A Point Immediately Above The Confluence With Martin Creek.
CO	East And West Toll Gate Creek	Data Unavailable		East And West Toll Gate Creek
CO	East Fork Mancos River	Data Unavailable		Huc: 14080107 Mainstem Of The Mancos River, Including All Wetlands, Tributaries, Lakes, And Reservoirs, From The Source Of The East, West And Middle Forks To Hwy 160, Except For The Specific Listing In Segment 4b.
CO	Elk River -Mainstem & Tributaries	Data Unavailable		Huc: 14050001 Mainstem Of The Elk River Including, All Tributaries And Wetlands, From The Source To The Confluence With The Yampa River, Except For Those Tributaries Included In Segment 1.
CO	Evans Gulch	Data Unavailable		Huc: 11020001
CO	Fall River Mainstem	Data Unavailable		Tributary To The Mainstem To The Fall River, Including All Tributaries, Lakes, Reservoirs And Wetlands, From The Source To The Confluence With Clear Creek.
CO	First Creek Below Second Creek, Elkhead Creek Below First Ck	Data Unavailable		All Tributaries To The Yampa River, Including Wetlands, Above The Confluence Iwth Elkhead Creek That Are Within National Forest Boundaries.
CO	Fish Creek Below Marys Lake	Data Unavailable		Huc: 10190006
CO	Flag Creek	Data Unavailable		Huc: 14050005 Mainstems Of Flag Creek And Sulphur Creek, Including All Tributaries And Wetlands, From Their Source To Their Confluences With The White River.
CO	Fortification Creek	Data Unavailable		Huc: 14050001 Mainstem Of Fortification Creek From The Confluence Of The North Fork And South Fork To The Confluence With The Yampa River.
CO	Fossil Creek	Data Unavailable		Fossil Creek
CO	Fountain Creek - Monument Creek To Hwy 47	Data Unavailable		Huc: 11020003
CO	Fountain Creek - Source To Monument Creek	Data Unavailable		Huc: 11020003
CO	Fountain Creek -All Tribs Not On Nf Or Af Academy Lands	Data Unavailable		Huc: 11020003
CO	Fountain Creek -Hwy 47 To Arkansas River	Data Unavailable		Huc: 11020003
CO	Fruitgrowers Reservoir	Data Unavailable		Huc: 14020005
CO	Gamble Gulch	Data Unavailable		Mainstem Of South Boulder Creek, Including All Tributaries, Lakes, Reservoirs And Wetlands, From The Source To The Outlet Of Gross Reservoir.
CO	Geneva Crk -Scott Gomer Ck To N. Fork South Platte River	Data Unavailable		Huc: 10190002 Mainstem Of Geneva Creek From The Confluence With Scott Gomer Creek To The Confluence With The North Fork Of The South Platte River; All Tributaries Of Geneva Creek Including Lakes, Reservoirs And Wetlands From Source To Confluence With The
CO	Grape Creek: Source To Pueblo Reservoir	Data Unavailable		Grape Creek Within Coarua03: Mainstem Of The Arkansas River From A Point Immediately Above The Confluence With The Lake Creek To The Inlet To Pueblo Reservoir.
CO	Gunnison River - North Fork, Black Bridge To Confluence	Data Unavailable		Huc: 14020004
CO	Gunnison River -Uncompaghre To Colorado	Data Unavailable		Huc: 14020005
CO	Gunnison River Tributaries	Data Unavailable		Huc: 14020005
CO	Gunnison River Tributaries	Data Unavailable		Huc: 14020002
CO	Gunnison River Tributaries	Data Unavailable		Huc: 14020002 All Lakes And Reservoirs That Are Tributary To The Gunnison River And Not On National Forest Lands From The Outlet Of Crystal Reservoir To The Confluence With The Colorado River, Including All Tributaries To Reeder, Hollenbeck, And Juniata
CO	Gunnison River, North Fork Tribs	Data Unavailable		Huc: 14020004 All Tributaries To The North Fork Of The Gunnison River Including All Lakes, Reservoirs, And Wetlands Which Are Not On National Forest Lands, Except For The Specific Listings In Segments 4, 5, 6b And 7.
CO	Halfmoon Creek	Data Unavailable		Huc: 11020001
CO	Hall Valley Area To Geneva Creek	Data Unavailable		Huc: 10190002
CO	Henson Creek	Data Unavailable		Huc: 14020002 Mainstem Of Henson Creek, Including All Tributaries And Wetlands, From The Source To The Confluence With The Lake Fork Of The Gunnison, Except For The Specific Listing In Segments 31 And 32.
CO	Horse Creek Mainstem To Arkansas River	Data Unavailable		Huc: 11020008
CO	Horse Creek Reservoir	Data Unavailable		Part Of Tributaries To S. Platte River, Big Dry Creek To Weld/Morgan County Line
CO	Horseshoe Lake	Data Unavailable		Huc: 11020006
CO	Horsetooth Reservoir	Data Unavailable		Huc: 10190007
CO	Hot Creek	Data Unavailable		Huc: 13010002 Mainstem Hot Creek From Source To Confluence With La Jara Creek
CO	Hubbard, Terror, Minnesota & Leroux Creeks	Data Unavailable		Huc: 14020004
CO	Hubbard, Terror, Minnesota & Leroux Creeks	Data Unavailable		Huc: 14020004
CO	Huerfano River -Muddy Crk To Confluence	Data Unavailable		Huc: 11020006
CO	Humphrey Backwater Area	Data Unavailable		Mainstem Of Colorado River From Immediately Below The Confluence With Parachute Creek To Immediately Above The Confluence Of The Gunnison River.
CO	Illinois Gulch And Fredonia Gulch	Data Unavailable		Huc: 14010002
CO	Illinois River	Data Unavailable		Huc: 10180001
CO	Ingram Creek	Data Unavailable		Huc: 14030003 Mainstem Of Ingram Creek Including All Tributaries, Lakes, Reservoirs, And Wetlands From Source To Confluence With San Miguel River.
CO	Iowa Gulch Blw Asarco Ws	Data Unavailable		Huc: 11020001
CO	John Martin Reservoir	Data Unavailable		Huc: 11020009
CO	Kerber Creek -Brewery Creek To San Luis Creek	Data Unavailable		Huc: 13010003 Mainstem Of Kerber Creek From The Confluence With Brewery Creek To The Confluence With San Luis Creek.
CO	Kerber Creek -Source To Above Brewery Creek	Data Unavailable		Huc: 13010003 Mainstem, Tributaries And Wetlands Of Kerber Creek, Except For Specific Listings In Segment 8, From The Source To Immediately Above The Confluence Of Brewery Creek.
CO	La Jara Reservoir	Data Unavailable		Huc: 13010003 Mainstem Of La Jara Creek, Including All Tributaries, Wetlands, Lakes And Reservoirs, From The Source To Immediately Above The Confluence With Hot Creek.
CO	Lake Creek Mainstem & Some Tributaries	Data Unavailable		Huc: 11020001
CO	Lake Henry	Data Unavailable		Huc: 11020005
CO	Lake Meredith	Data Unavailable		Huc: 11020005
CO	Leavenworth Creek	Data Unavailable		Mainstem Of Leavenworth Creek From Source To Confluence With South Clear Creek.
CO	Left Hand Creek	Data Unavailable		Mainstem Of Left Hand Creek, Including All Tributaries, Lakes, Reservoirs, And Wetlands From The Source To Highway Us 36, Except For Specific Listings In Segment 4b.
CO	Little James Creek	Data Unavailable		Huc: 10190005
CO	Little Snake River	Data Unavailable		Huc: 14050003 Mainstem Of The Little Snake River From A Point Immediately Above The Confluence With Powder Wash To The Confluence With The Yampa River.
CO	Little Snake River	Data Unavailable		Huc: 14050002 Mainstem Of The Little Snake River From A Point Immediately Above The Confluence With Powder Wash To The Confluence With The Yampa River.
CO	Little Thompson -Culver Ditch To Big Thompson River	Data Unavailable		Mainstem Of The Little Thompson River From The Culver Ditch Diversion To The Confluence With The Big Thompson River.
CO	Mad Creek	Data Unavailable		Huc: 10190004
CO	Mainstem Of Clear Creek, I-70 Bridge To Agro Tunnel	Data Unavailable		Huc: 10190004
CO	Mainstem Of North Clear Creek	Data Unavailable		Mainstem Of North Clear Creek Including All Tributaries, Lakes, Reservoirs And Wetlands From The Source To The Confluence With Clear Creek, Except For The Specific Listings In Segment 13a.
CO	Mainstem Of South Clear Creek, Including All Tributaries	Data Unavailable		Mainstem Of South Clear Creek, Including All Tributaries, Lakes, Reservoirs And Wetlands, From The Source To The Confluence With Clear Creek, Except For The Specific Listing In 3b And 19.
CO	Mainstem To The Alamosa River	Data Unavailable		Mainstem Of The Alamosa River From Immediately Below The Confluence With Ranger Creek To The Inlet Of Terrace Reservoir Huc 13010002
CO	Mancos River -Source To Hwy 160	Data Unavailable		Huc: 14080107 Mainstem Of The Mancos River, Including All Wetlands, Tributaries, Lakes, And Reservoirs, From The Source Of The East, West And Middle Forks To Hwy 160, Except For The Specific Listing In Segment 4b.
CO	Marshall Creek	Data Unavailable		Huc: 14030003 Mainstem Of Marshall Creek Including All Tributaries, Lakes, Reservoirs, And Wetlands From Source To Confluence With San Miguel River
CO	Mcphee Reservoir	Data Unavailable		Huc: 14030002 Mcphee Reservoir And Summit Reservoir.
CO	Milton Reservoir	Data Unavailable		Huc: 10190003
CO	Narraguinnep Reservoir	Data Unavailable		Huc: 14080202 Narraguinnep, Puett And Totten Reservoirs.
CO	Nee Gronda Reservoir	Data Unavailable		Huc: 11020009
CO	Oh-Be-Joyful Creek	Data Unavailable		Huc: 14020001 Mainstem Of Oh-Be-Joyful Creek From The Boundary Of The Raggeds Wilderness Area To The Confluence With Slate River. All Tributaries, Including Lakes And Reservoirs, And Wetlands Within The Redwell Basin Tributary To Oh Be Joyful Creek.
CO	Palmetto Gulch	Data Unavailable		Huc: 14020002 Mainstem Of Palmetto Gulch Creek Including All Tributaries.
CO	Peru Creek	Data Unavailable		Huc: 14010002
CO	Peru Creek, Source To Snake River	Waterbody Map	Upper Colorado And North Platte Basin	All
CO	Purgatoire River - I-25 To Arkansas River	Data Unavailable		Huc: 11020010
CO	Purgatoire River -North, South, Middle Forks Of	Data Unavailable		Huc: 11020010
CO	Ralston Creek	Data Unavailable		Huc: 10190004
CO	Red Mountain Creek	Data Unavailable		Huc: 14020006 Mainstem Of Red Mountain Creek From The Source To Immediately Above The Confluence With The East Fork Of Red Mountain Creek.
CO	Rifle Creek	Data Unavailable		Huc: 14010006 Mainstem Of Rifle Creek, Including All Tributaries, Wetlands, Lakes And Reservoirs, From County Road 251 To The Confluence With The Colorado River.
CO	Rio Grande - Del Norte To Alamosa County Line	Data Unavailable		Huc: 13010002
CO	Rio Grande - Old Woman Creek To Del Norte	Data Unavailable		Huc: 13010002
CO	Rio Grande - Wagon Wheel Gap To Old Woman Creek	Data Unavailable		Huc: 13010001 Mainstem Of The Rio Grande From A Point Immediately Above The Confluence With Willow Creek To The Rio Grande/Alamosa County Line.
CO	Rio Grande - Willow Creek To Wagon Wheel Gap	Data Unavailable		Huc: 13010001 Mainstem Of The Rio Grande From A Point Immediately Above The Confluence With Willow Creek To The Rio Grande/Alamosa County Line
CO	Rito Seco -Source To Salzar Reservoir	Data Unavailable		Huc: 13010002 Mainstem Of Rito Seco, Including All Tributaries, Wetlands, Lakes And Reservoirs, From The Source To The Outlet Of Salzar Reservoir.
CO	Rocky Mnt. Lakes	Data Unavailable		Huc: 10190002 Washington Park Lakes, City Park Lake, Rocky Mountain Lake, Berkely Lake.
CO	Rush Creek Upper Tributaries	Data Unavailable		Huc: 11020012
CO	S. Platte River -Burlington Ditch To Big Dry Creek	Data Unavailable		Huc: 10190003
CO	Sage Creek And Grassy Creek	Data Unavailable		Huc: 14050001 Mainstems Of Sage Creek And Grassy Creek, Including All Tributaries And Wetlands, From Their Sources To The Confluence With The Yampa River.
CO	Salt Creek	Data Unavailable		Salt Creek
CO	San Luis Lake	Data Unavailable		Huc: 13010003
CO	San Miguel River -Bridal Vail/Ingram Creeks To Marshall Crk	Data Unavailable		Huc: 14030003
CO	San Miguel River -Marshall Crk To S. Fork San Miguel River	Data Unavailable		Huc: 14030003 Mainstem Of The San Miguel River From A Point Immediately Above The Confluence Of Marshall Creek To A Point Immediately Above The Confluence Of South Fork San Miguel River.
CO	Sanchez Reservoir	Data Unavailable		Huc: 13010002 Mainstem Of Culebra Creek, Including All Tributaries, Wetlands, Lakes And Reservoirs, From The Source To State Highway 159 Except Segments 28 And 29, Mainstem And All Tributaries Of Costilla Creek In Colorado To 7 Road.
CO	Sand Creek	Data Unavailable		Huc: 10190003
CO	Silver Creek Below Rico'S Ws Diversion	Data Unavailable		Huc: 14030002 Mainstem Of Silver Creek From A Point Immediately Below The Town Of Rico'S Water Supply Diversion To The Confluence With The Dolores River.
CO	Sixmile Creek	Data Unavailable		Huc: 11020002
CO	Slate River	Data Unavailable		Huc: 14020001 Mainstem Of The Slate River From Its Source To A Point Immediately Above The Confluence With Coal Creek.
CO	Slate River -U/S Coal Creek To Confluence With East River	Data Unavailable		Huc: 14020001 Mainstem Of The Slate River From A Point Immediately Above The Confluence With Coal Creek To The Confluence With The East River
CO	Snake River -Below Peru Creek To Dillon Reservoir	Data Unavailable		Huc: 14010002
CO	Snake River, Source To Dillon Reservoir	Waterbody Map	Upper Colorado And North Platte Basin	Below Peru Creek
CO	South Fork Of Lake Creek & Tribs	Data Unavailable		Huc: 11020001
CO	Spring Creek	Data Unavailable		Huc: 10180001
CO	St. Charles River	Data Unavailable		Huc: 11020002
CO	St. Vrain Creek	Data Unavailable		Mainstem Of St. Vrain Creek, Including All Tributaries, Lakes, Reservoirs, And Wetlands, From The Boundary Of The Indian Peaks Wilderness Area And Rocky Mountain National Park To Hygiene Road.
CO	Sulphur Creek	Data Unavailable		Huc: 14050005 Mainstems Of Flag Creek And Sulphur Creek, Including All Tributaries And Wetlands, From Their Source To Their Confluences With The White River.
CO	Sweitzer Lake	Data Unavailable		Huc: 14020006
CO	Terrace Reservoir	Data Unavailable		Huc: 13010002
CO	Timpas Creek	Data Unavailable		Huc: 11020005
CO	Totten Reservoir	Data Unavailable		Huc: 14080202 Narraguinnep, Puett And Totten Reservoirs.
CO	Tributaries To Colorado River	Data Unavailable		Huc: 14010005 All Tributaries To The Colorado River, Including Wetlands, From The Government Highline Canal Diversion To A Point Immediately Below Salt Creek, Downgradient From The Government Highline Canal, The Orchard Mesa Canal No. 2, Orchard Mesa Dra
CO	Tributaries To South Platte, Beaver Creek	Data Unavailable		Huc: 10190018
CO	Tributaries To St. Vrain Creek	Data Unavailable		All Tributaries To St. Vrain Creek, Including Lakes, Reservoirs, And Wetlands From Hygenie Road To The Confluence With The South Platte River, Except For Specific Listings In The Boulder Creek Subbasin And In Left Hand Creek Subbasin.
CO	Tributary To Red Rock Creek	Data Unavailable		Tributary Of Red Rock Creek From The Boundary Of Black Canyon Of The Gunnison National Park To The Confluence Of The Gunnison River.
CO	Trinidad Reservoir	Data Unavailable		Huc: 11020010
CO	Trout Creek	Data Unavailable		Huc: 10190001
CO	Twin Creek	Data Unavailable		Huc: 10190001
CO	Twin Lakes Reservoir	Data Unavailable		Huc: 11020001
CO	Uncompahgre River	Data Unavailable		Huc: 14020006 Mainstem Of The Uncompahgre River From The Source At Como Lake (Poughkeepsie Gulch) To A Point Immediately Above The Confluence With Red Mountain Creek.
CO	Uncompahgre River - La Salle Road To Confluence Park	Data Unavailable		Huc: 14020006 Mainstem Of The Uncompahgre River From La Salle Road To Confluence Park.
CO	Uncompahgre River From Confluence Park To Gunnison River	Data Unavailable		Huc: 14020006 Mainstem Of The Uncompahgre River From Confluence Park To The Confluence With The Gunnison River.
CO	Uncompahgre River Tributaries	Data Unavailable		Huc: 14020006 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, 15a And 15b
CO	Uncompahre River, Red Mtn Ck To Ridgeway Res.	Data Unavailable		Red Mountain Creek To Ouray
CO	Uncompahre River, Ridgway Res. To Montrose	Data Unavailable		Huc 14020006 Mainstem Of The Uncompahgre River From A Point Immediately Above The Confluence With Red Mountain Creek To The Highway 90 Bridge At Montrose.
CO	Unnamed Tributary To The Apishapa River.	Data Unavailable		Tributary To The Mainstem Of The Apishapa River From I-25 To The Confluence With The Arkansas River; Mainstem Of Timpas Creek From The Source To The Arkansas River; Mainstem Of Lorencito Canyon, From The Source To The Confluence With The Purgatoire River.
CO	Unnamed Tributary To The Colorado River	Data Unavailable		All Tributaries, Including Wetlands, To The Colorado River From The Confluence With The Roaring Fork River To A Point Immediately Below The Confluence With Parachute Creek Except For The Specific Listings In Segments 4b, 5, 6, 7, 8, 9, 10, 11a - H, And 12
CO	Unnamed Tributary To The Lower Arkansas River.	Data Unavailable		Tributary To The Mainstem Of Apache Creek From The Source To The Confluence With The North Rusk Creek; Mainstem Of Breckenridge Creek From The Source To The Confluence With Horse Creek; Mainstem Of Little Horse Creek From The Source To The Confluence With
CO	Unnamed Tributary To Trail Creek	Data Unavailable		Tributary To The Mainstem Of Trail Creek, Including All Tributaries, Lakes, Reservoirs, And Wetlands From The Source To The Confluence With Clear Creek.
CO	Vallecito Reservoir	Data Unavailable		Huc: 14080101
CO	Walker Ponds	Data Unavailable		Walker Wildlife Area Ponds.
CO	West Evacuation Wash And Douglas Creek	Data Unavailable		Huc: 14050007 All Tributaries To The White River, Including All Wetlands, Lakes And Reservoirs, From A Point Immediately Above The Confluence With Douglas Creek To The Colorado/Utah Border, Except For Specific Listing In Segment 23.
CO	West Pond Orchard Mesa Swa	Data Unavailable		Huc: 14010005 All Lakes And Reservoirs Tributary To The Colorado River From A Point Immediately Below The Confluence Of The Colorado River And Parachute Creek To The Colorado-Utah Border.
CO	Wild Horse, Buffalo & Wolf Creeks	Data Unavailable		Huc: 11020009
CO	Wildhorse Creek	Data Unavailable		Huc: 11020002
CO	Willow Creek And West Willow Creek Below Mine Dump	Data Unavailable		Huc: 13010001 Mainstem Of West Willow Creek From The Park Regent Mine Dump To The Confluence With East Willow Creek; Including All Tributaries From The Confluence Of East And West Willow Creeks To The Confluence With The Rio Grande
CO	Willow Springs Ponds #1 & #2	Data Unavailable		Huc: 11020003
CO	Wolford Mountain Reservoir	Data Unavailable		Huc: 14010001 All Lakes And Reservoirs Tributary To The Colorado River From The Boundary Of Rocky Mountain National Park And Arapahoe National Recreation Area To A Point Immediately Below The Confluence With The Roaring Fork River Which Are Not On Nation
CO	Yampa River	Data Unavailable		Huc: 14050002 Mainstem Of The Yampa River From A Point Immediately Above The Confluence With Lay Creek To The Confluence With The Green River.
CO	Yampa River	Data Unavailable		Huc: 14060001 Mainstem Of The Yampa River From A Point Immediately Above The Confluence With Lay Creek To The Confluence With The Green River.
CO	Yampa River	Data Unavailable		Huc: 14040106 Mainstem Of The Yampa River From A Point Immediately Above The Confluence With Lay Creek To The Confluence With The Green River.