Water quality by city
Water quality in Colorado
EPA drinking-water records for 509 public water systems across 246 Colorado cities — the contaminants found and the certified filters that remove them. Pick your city for its full report.
Know your ZIP? Go straight to your water report.
Check by ZIP → Colorado Springs ·PFAS 21 systems Denver 19 systems Durango 15 systems Lakewood ·PFAS 11 systems Glenwood Springs 9 systems Fort Collins ·PFAS 8 systems Castle Rock ·PFAS 7 systems Littleton 7 systems Steamboat Springs 7 systems Aurora ·PFAS 6 systems Brighton ·PFAS 6 systems Carbondale 6 systems Englewood ·PFAS 6 systems Greenwood Village ·PFAS 6 systems Rocky Ford ·PFAS 6 systems Wheat Ridge 6 systems Windsor 6 systems Boulder 5 systems Golden 5 systems La Junta 5 systems Montrose ·PFAS 5 systems Centennial ·PFAS 4 systems Crawford 4 systems Estes Park 4 systems Florissant 4 systems Hotchkiss 4 systems Loveland 4 systems Manzanola 4 systems Monument ·PFAS 4 systems Pagosa Springs 4 systems Strasburg 4 systems Woodland Park 4 systems Bailey 3 systems Basalt 3 systems Bayfield 3 systems Calhan 3 systems Canon City 3 systems Cedaredge 3 systems Divide 3 systems Elizabeth 3 systems Empire 3 systems Evergreen 3 systems Fort Lupton 3 systems Georgetown 3 systems Holly 3 systems La Veta 3 systems Moffat 3 systems Paonia 3 systems Parker ·PFAS 3 systems Pueblo 3 systems Silt 3 systems South Fork 3 systems Vail 3 systems Administrative Contact 2 systems Alamosa 2 systems Antonito 2 systems Aspen 2 systems Berthoud ·PFAS 2 systems Beulah 2 systems Boone 2 systems Broomfield 2 systems Cheraw 2 systems Conifer 2 systems Dinosaur 2 systems Falcon 2 systems Fort Morgan 2 systems Frisco 2 systems Ft Morgan 2 systems Grand Junction 2 systems Greeley 2 systems Idaho Springs 2 systems Ignacio 2 systems Lafayette 2 systems Lamar ·PFAS 2 systems Larkspur 2 systems Monte Vista 2 systems Nederland 2 systems Palmer Lake 2 systems Pine 2 systems Red Feather Lakes 2 systems Salida 2 systems Sedalia 2 systems Snowmass 2 systems Sterling 2 systems Telluride 2 systems Wellington 2 systems Westminster 2 systems Winter Park ·PFAS 2 systems Woody Creek 2 systems Yuma 2 systems Agate 1 system Aguilar 1 system Akron 1 system Allenspark 1 system Alma 1 system Almont 1 system Anton 1 system Arboles 1 system Arvada 1 system Ault 1 system Avondale 1 system Bennett 1 system Black Hawk 1 system Blanca 1 system Brandon 1 system Branson 1 system Breckenridge 1 system Bristol 1 system Buena Vista 1 system Buffalo Creek 1 system Burlington 1 system Campo 1 system Castle Pines ·PFAS 1 system Central City 1 system Cheyenne Wells 1 system Clark 1 system Clifton 1 system Colorado City 1 system Commerce City ·PFAS 1 system Conejos 1 system Copper Mountain 1 system Cortez 1 system Cotopaxi 1 system Craig 1 system Dacono 1 system Debeque 1 system Del Norte 1 system Delta ·PFAS 1 system Dolores 1 system Dove Creek 1 system Dumont 1 system Eagle 1 system Eaton 1 system Eckert 1 system Eckley 1 system Edgewater 1 system Edwards 1 system El Jebel 1 system Erie 1 system Evans 1 system Fairplay 1 system Federal Heights 1 system Firestone 1 system Flagler 1 system Fleming 1 system Florence 1 system Fort Carson 1 system Fountain ·PFAS 1 system Fowler 1 system Frederick 1 system Garcia 1 system Genoa 1 system Granada 1 system Granby 1 system Guffey 1 system Gunnison ·PFAS 1 system Gypsum 1 system Hasty 1 system Haswell 1 system Hayden 1 system Henderson 1 system Highlands Ranch ·PFAS 1 system Hillrose 1 system Hudson 1 system Hugo 1 system Idalia 1 system Jamestown 1 system Joes 1 system Johnstown 1 system Karval 1 system Keenesburg 1 system Keystone ·PFAS 1 system Kim 1 system Kremmling 1 system La Porte 1 system Lake George 1 system Leadville 1 system Limon 1 system Livermore 1 system Lochbuie ·PFAS 1 system Longmont 1 system Louisville 1 system Lucerne 1 system Lyons 1 system Manitou Springs 1 system Mcclave 1 system Meeker 1 system Milliken 1 system Minturn 1 system Morrison ·PFAS 1 system Mosca 1 system Nathrop 1 system Naturita 1 system New Castle 1 system New Raymer 1 system Niwot 1 system Northglenn 1 system Nucla 1 system Oak Creek 1 system Ophir 1 system Ordway 1 system Otis 1 system Ouray 1 system Ovid 1 system Paoli 1 system Parachute 1 system Paradox 1 system Parshall 1 system Peetz 1 system Peyton 1 system Placerville 1 system Pritchett 1 system Pueblo West 1 system Ramah 1 system Rangely 1 system Redvale ·PFAS 1 system Ridgway 1 system Rifle 1 system Romeo 1 system Rye 1 system San Luis 1 system Seibert 1 system Severance 1 system Sheridan Lake 1 system Silver Plume 1 system Silverthorne ·PFAS 1 system Snowmass Village 1 system Stratton 1 system Superior 1 system Swink 1 system Thornton ·PFAS 1 system Towaoc 1 system Trinidad 1 system Two Buttes 1 system Usaf Academy 1 system Victor 1 system Vilas 1 system Vona 1 system Walsenburg 1 system Walsh 1 system Weldona 1 system Westcreek 1 system Wiley 1 system Woodland 1 system Woodrow 1 system Yampa 1 system