MyCleanWater

Colorado Water Quality by City

Water quality reports for 332 cities in Colorado.

CityPopulationContaminantsAbove LimitPFASViolations
Denver1.3M10None362 active
Aurora533K50None112 active
Colorado Springs464K103None222 active
Thornton226K92None10 active
Westminster202K10None5 active
Fort Collins180K00None23 active
Arvada172K10None6 active
Boulder166K00None52 active
Greeley132K10None13 active
Pueblo114K10None74 active
Castle Rock107K30None29 active
Broomfield106K00None11 active
Highlands Ranch103K50None8 active
Longmont103K00None1 active
Loveland95K00None26 active
Grand Junction91K00None15 active
Lakewood81K40None72 active
Parker76K82None13 active
Commerce City74K40None4 active
Englewood57K60None39 active
Brighton56K82None64 active
Centennial55K61None18 active
Vail52K10NoneNone
Northglenn49K10NoneNone
Littleton49K10None76 active
Fort Carson48K10NoneNone
Erie40K00NoneNone
Golden38K10None4 active
Canon City35K10None12 active
Clifton35K10None4 active
Durango34K10None136 active
Aspen31K00None23 active
Pueblo West30K10None14 active
Lafayette29K00None31 active
Breckenridge28K00None14 active
Firestone28K00NoneNone
Berthoud26K21None10 active
Fountain25K40None4 active
Johnstown25K00None10 active
Windsor24K00None35 active
Louisville21K00None8 active
Montrose20K20None61 active
Niwot20K00None4 active
Wheat Ridge20K10None65 active
Evans19K00None11 active
Monument18K20None17 active
Superior18K00None3 active
Frederick17K00None4 active
Steamboat Springs17K00None114 active
Usaf Academy17K00NoneNone
Estes Park17K00None21 active
Lucerne16K10NoneNone
Evergreen16K00None14 active
Gypsum15K00None2 active
Black Hawk15K10None10 active
Sterling15K10None16 active
Falcon14K10None4 active
Dolores14K10None15 active
Castle Pines13K50None1 active
Peyton13K10None2 active
Fort Lupton12K00None3 active
Fort Morgan12K10None5 active
Severance12K00None2 active
Federal Heights12K10NoneNone
Wellington12K10None1 active
Trinidad11K00None15 active
Alamosa11K10None25 active
Pagosa Springs11K10None65 active
Idaho Springs10K00None7 active
Keystone10K73None11 active
Morrison10K20None18 active
Redvale10K21None1 active
Gunnison10K41None46 active
Rifle9K10None28 active
Glenwood Springs9K00None111 active
Greenwood Village9K50None32 active
Milliken9K00None2 active
Craig9K10None1 active
Cortez9K10None56 active
Delta9K20NoneNone
Woodland9K10None4 active
Silverthorne8K30None44 active
La Junta8K10None73 active
Telluride8K00None82 active
Eagle8K00None12 active
Leadville8K00None43 active
Lamar8K30None12 active
Florence8K00None1 active
Eaton7K00NoneNone
Manitou Springs7K00None5 active
Dacono7K00None1 active
Lochbuie7K50None1 active
Carbondale7K10None84 active
Winter Park7K10None8 active
Snowmass Village6K00None10 active
Copper Mountain6K00None1 active
Salida6K10None38 active
Georgetown5K00None5 active
Edgewater5K00None1 active
Hillrose5K10None7 active
Limon5K10None7 active
New Castle5K00None49 active
Keenesburg5K00NoneNone
Monte Vista5K00None50 active
Basalt5K00None34 active
Elizabeth5K00None19 active
Frisco4K00None28 active
Rocky Ford4K41None64 active
Glendale4K00None64 active
Bennett4K00None6 active
Ault4K00NoneNone
Administrative Contact4K10None67 active
Yuma4K10None6 active
La Porte4K00NoneNone
Hayden4K10None19 active
Larkspur4K10None3 active
Buena Vista4K00None29 active
Central City4K00None10 active
Burlington4K10None3 active
Silt4K00None8 active
Hudson3K00None3 active
Mount Crested Butte3K00None24 active
Dillon3K00None20 active
Fraser3K00None15 active
Walsenburg3K00None26 active
Penrose3K00None4 active
Austin3K00None13 active
Palisade3K00None5 active
Olathe3K00None12 active
Lyons3K00None10 active
Platteville3K00None6 active
Cripple Creek3K00None10 active
Cedaredge3K00None51 active
Colorado City3K00None8 active
Palmer Lake3K00None42 active
Center3K00None5 active
Holyoke3K00None1 active
Paonia2K00None78 active
Rangely2K00None7 active
Watkins2K00None1 active
Meeker2K00NoneNone
Crested Butte2K00None13 active
Nederland2K00None1 active
Silverton2K00None11 active
Akron2K00None4 active
Wray2K00None17 active
Granby2K00None11 active
Bayfield2K00None28 active
Flagler2K00None6 active
Las Animas2K00None10 active
Kersey2K00NoneNone
Hotchkiss2K00None52 active
Strasburg2K00None9 active
Grand Lake2K00None22 active
Lasalle2K00None2 active
Crestone2K00None7 active
Creede2K10None9 active
El Jebel2K00None1 active
Westcliffe2K00None5 active
Conifer2K00None1 active
Wiggins2K00None11 active
Kremmling2K00None7 active
Norwood2K00None5 active
Deer Trail2K00None1 active
Wiley2K00None9 active
Poncha Springs1K00None15 active
Ouray1K00None4 active
Del Norte1K00None12 active
Mancos1K00None22 active
Springfield1K00None1 active
Parachute1K00None1 active
Indian Hills1K00None22 active
Ordway1K00None13 active
Julesburg1K00None2 active
Minturn1K00None7 active
Fowler1K00None4 active
Gilcrest1K00NoneNone
Pierce1K00None1 active
Log Lane Village1K00None7 active
Byers1K00None1 active
Ridgway1K00None29 active
Antonito98100None6 active
Manassa97600None22 active
Haxtun96300None1 active
Stratton96000None4 active
Oak Creek95000None14 active
Debeque91100None2 active
Kiowa91000None8 active
Fairplay90900None9 active
Edwards89610None31 active
Hugo88500None1 active
Nucla87500None16 active
Divide87500None111 active
Sanford85000None8 active
Dove Creek85000NoneNone
La Veta85000None26 active
Cheyenne Wells84000None6 active
La Jara82500None14 active
Holly80000None20 active
Ignacio80000None81 active
Calhan78000None31 active
Williamsburg77500None6 active
Rye74500None16 active
Hot Sulphur Springs68700None10 active
Collbran67800None8 active
Swink66000NoneNone
Eads65600None2 active
Walsh65000None1 active
San Luis62900None24 active
Simla61800NoneNone
Woodland Park60000None51 active
Otis60000None5 active
Lake City58700None6 active
Naturita58500None6 active
Moffat58000None12 active
Walden56900None8 active
South Fork56600None15 active
Tabernash56400NoneNone
Granada51500None38 active
Saguache50400None2 active
Rockvale50400None4 active
Empire50000None13 active
Nunn49900NoneNone
Manzanola49700None37 active
Victor49100None9 active
Sedalia49000None10 active
Crawford48600None24 active
Bailey48300None14 active
Ft. Garland47700None22 active
Blanca46900None9 active
Red Cliff46900None23 active
Yampa46700None3 active
Alma46000None8 active
Aguilar44700None4 active
Fleming44600None6 active
Beulah44500None21 active
Brookside43800None5 active
Rico43700None18 active
Cimarron43100None6 active
Clark41100None3 active
Ft. Morgan40500None19 active
Olney Springs39900None14 active
Livermore39500None12 active
Mcclave37800None4 active
Gateway37000None3 active
Romeo36500None8 active
Dinosaur35000None4 active
Coal Creek35000NoneNone
Allenspark34000None6 active
Mesa33000NoneNone
Iliff32800None7 active
Woody Creek32400None14 active
Snowmass32200None18 active
Placierville32200NoneNone
Briggsdale30300None3 active
Elbert30000None11 active
Seibert29600None10 active
Peetz29500None5 active
Jamestown28000None29 active
Boone26300None6 active
Henderson26100None1 active
Ovid25900None1 active
Wolcott25700None4 active
Cheraw25400None16 active
Nathrop25000None9 active
Capulin25000None18 active
Florissant25000None40 active
Hasty24400None7 active
Sugar City24000None9 active
Weldona23500NoneNone
Eckley23500None6 active
Ward23000None3 active
Sedgwick22700NoneNone
Paradox20000None10 active
Eckert20000None8 active
Eastlake20000None6 active
Bethune19500None8 active
Ophir19300None26 active
Crook18200None3 active
Redstone18000None12 active
Silver Plume18000None11 active
Westcreek16500None14 active
Vona16000None11 active
Hesperus15400None6 active
Genoa15300None17 active
Agate15200None9 active
Bristol15100None14 active
Campo15000None8 active
Sheridan Lake14800None12 active
Vilas13700None2 active
Branson13100None17 active
Buffalo Creek12500None10 active
Pritchett12500None1 active
Ramah12500None20 active
Cokedale12000NoneNone
Kim11600None17 active
Almont11300None9 active
Karval10200None3 active
Somerset10000NoneNone
Garcia10000None4 active
Arapahoe9900None2 active
Red Feather Lakes9000None1 active
Conejos8000None29 active
New Raymer7300None10 active
Lake George7200None4 active
Steamboat6800None2 active
Dumont6700None8 active
Two Buttes6400None12 active
Placerville5900None54 active
Haswell5500None13 active
Tustin5100None11 active
Chromo4900None1 active
Paoli4200None4 active
Wetmore3800None1 active
Brandon2400None32 active
Franktown2300None8 active
Anitonito2000None2 active
Model1900None10 active
FruitaN/A00NoneNone
Grand JuctionN/A00None7 active
MeadN/A00NoneNone
AvonN/A00None28 active
Ft. CollinsN/A00None5 active
Mountain ViewN/A00NoneNone
WhitewaterN/A00None51 active
GaletonN/A00None1 active
No Real CityN/A00NoneNone
LomaN/A00None2 active
Cherry Hills VillageN/A00NoneNone
Peterson AfbN/A00NoneNone
MasonvilleN/A00NoneNone
Colorado PringsN/A00None14 active