Colorado Water Quality Reports
Comprehensive water quality data for 192 cities across Colorado. View EPA-verified contaminant levels and get filter recommendations.
192
Cities
14
Safe
85
Monitor
93
At Risk
Cities in Colorado
Berkley
People Served1287K
Contaminants Tested134
Above Guidelines2
View Report →
Cherry Hills Village
People Served1287K
Contaminants Tested134
Above Guidelines2
View Report →
Columbine Valley
People Served1287K
Contaminants Tested134
Above Guidelines2
View Report →
Columbine
People Served1287K
Contaminants Tested134
Above Guidelines2
View Report →
Holly Hills
People Served1287K
Contaminants Tested134
Above Guidelines2
View Report →
Ken Caryl
People Served1287K
Contaminants Tested134
Above Guidelines2
View Report →
Lakeside
People Served1287K
Contaminants Tested134
Above Guidelines2
View Report →
Sherrelwood
People Served1287K
Contaminants Tested134
Above Guidelines2
View Report →
Welby
People Served1287K
Contaminants Tested134
Above Guidelines2
View Report →
Colorado Springs
People Served464K
Contaminants Tested128
Above Guidelines3
View Report →
Falcon
People Served464K
Contaminants Tested20
Above Guidelines8
View Report →
Westminster
People Served193K
Contaminants Tested121
Above Guidelines7
View Report →
Boulder
People Served166K
Contaminants Tested133
Above Guidelines2
View Report →
Thornton
People Served156K
Contaminants Tested137
Above Guidelines4
View Report →
Arvada
People Served147K
Contaminants Tested134
Above Guidelines5
View Report →
Pueblo
People Served113K
Contaminants Tested127
Above Guidelines6
View Report →
Lucerne
People Served108K
Contaminants Tested20
Above Guidelines7
View Report →
Broomfield
People Served106K
Contaminants Tested134
Above Guidelines2
View Report →
Longmont
People Served102K
Contaminants Tested113
Above Guidelines2
View Report →
Castle Rock
People Served100K
Contaminants Tested126
Above Guidelines5
View Report →
Loveland
People Served97K
Contaminants Tested127
Above Guidelines2
View Report →
Fruita
People Served89K
Contaminants Tested96
Above Guidelines2
View Report →
Commerce City
People Served69K
Contaminants Tested128
Above Guidelines7
View Report →
Derby
People Served69K
Contaminants Tested128
Above Guidelines7
View Report →
Aurora
People Served66K
Contaminants Tested129
Above Guidelines7
View Report →
Denver
People Served66K
Contaminants Tested129
Above Guidelines7
View Report →
Four Square Mile
People Served66K
Contaminants Tested129
Above Guidelines7
View Report →
Glendale
People Served66K
Contaminants Tested129
Above Guidelines7
View Report →
Fort Collins
People Served64K
Contaminants Tested14
Above Guidelines2
View Report →
Englewood
People Served57K
Contaminants Tested129
Above Guidelines6
View Report →
Brighton
People Served55K
Contaminants Tested125
Above Guidelines6
View Report →
Vail
People Served52K
Contaminants Tested121
Above Guidelines3
View Report →
Northglenn
People Served49K
Contaminants Tested94
Above Guidelines3
View Report →
Edgewater
People Served44K
Contaminants Tested0
Above Guidelines0
View Report →
Silver Cliff
People Served35K
Contaminants Tested20
Above Guidelines11
View Report →
Clifton
People Served35K
Contaminants Tested97
Above Guidelines2
View Report →
Fruitvale
People Served35K
Contaminants Tested97
Above Guidelines2
View Report →
Erie
People Served33K
Contaminants Tested125
Above Guidelines2
View Report →
Pueblo West
People Served30K
Contaminants Tested128
Above Guidelines5
View Report →
Golden
People Served30K
Contaminants Tested127
Above Guidelines5
View Report →
Lafayette
People Served29K
Contaminants Tested127
Above Guidelines5
View Report →
Firestone
People Served28K
Contaminants Tested13
Above Guidelines2
View Report →
Grand Junction
People Served26K
Contaminants Tested95
Above Guidelines2
View Report →
Applewood
People Served24K
Contaminants Tested90
Above Guidelines3
View Report →
Fairmount
People Served24K
Contaminants Tested90
Above Guidelines3
View Report →
West Pleasant View
People Served24K
Contaminants Tested90
Above Guidelines3
View Report →
Windsor
People Served24K
Contaminants Tested13
Above Guidelines2
View Report →
Black Forest
People Served23K
Contaminants Tested127
Above Guidelines7
View Report →
Fort Carson
People Served22K
Contaminants Tested126
Above Guidelines7
View Report →
Fountain
People Served22K
Contaminants Tested126
Above Guidelines7
View Report →
Security-Widefield
People Served22K
Contaminants Tested126
Above Guidelines7
View Report →
Berthoud
People Served22K
Contaminants Tested13
Above Guidelines2
View Report →
Niwot
People Served21K
Contaminants Tested127
Above Guidelines5
View Report →
Louisville
People Served21K
Contaminants Tested97
Above Guidelines5
View Report →
Wheat Ridge
People Served20K
Contaminants Tested0
Above Guidelines0
View Report →
Montrose
People Served19K
Contaminants Tested13
Above Guidelines2
View Report →
Acres Green
People Served19K
Contaminants Tested0
Above Guidelines0
View Report →
Centennial
People Served19K
Contaminants Tested0
Above Guidelines0
View Report →
Cherry Creek
People Served19K
Contaminants Tested0
Above Guidelines0
View Report →
Greenwood Village
People Served19K
Contaminants Tested0
Above Guidelines0
View Report →
Highlands Ranch
People Served19K
Contaminants Tested0
Above Guidelines0
View Report →
Johnstown
People Served19K
Contaminants Tested131
Above Guidelines2
View Report →
Twin Lakes
People Served18K
Contaminants Tested0
Above Guidelines0
View Report →
Woodmoor
People Served18K
Contaminants Tested127
Above Guidelines5
View Report →
Superior
People Served17K
Contaminants Tested130
Above Guidelines2
View Report →
Air Force Academy
People Served17K
Contaminants Tested13
Above Guidelines2
View Report →
Usaf Academy
People Served17K
Contaminants Tested13
Above Guidelines5
View Report →
Estes Park
People Served17K
Contaminants Tested125
Above Guidelines5
View Report →
Evergreen
People Served16K
Contaminants Tested127
Above Guidelines2
View Report →
Frederick
People Served16K
Contaminants Tested13
Above Guidelines2
View Report →
Fort Lupton
People Served15K
Contaminants Tested125
Above Guidelines2
View Report →
Black Hawk
People Served15K
Contaminants Tested131
Above Guidelines7
View Report →
Central City
People Served15K
Contaminants Tested20
Above Guidelines14
View Report →
Sterling
People Served15K
Contaminants Tested120
Above Guidelines6
View Report →
Dove Valley
People Served15K
Contaminants Tested125
Above Guidelines4
View Report →
Grand View Estates
People Served15K
Contaminants Tested125
Above Guidelines4
View Report →
Lone Tree
People Served15K
Contaminants Tested125
Above Guidelines4
View Report →
Meridian
People Served15K
Contaminants Tested125
Above Guidelines4
View Report →
North Washington
People Served15K
Contaminants Tested0
Above Guidelines0
View Report →
The Pinery
People Served13K
Contaminants Tested127
Above Guidelines7
View Report →
Federal Heights
People Served12K
Contaminants Tested127
Above Guidelines3
View Report →
Wellington
People Served12K
Contaminants Tested20
Above Guidelines14
View Report →
Trinidad
People Served11K
Contaminants Tested20
Above Guidelines7
View Report →
Alamosa
People Served11K
Contaminants Tested20
Above Guidelines6
View Report →
Pagosa Springs
People Served11K
Contaminants Tested20
Above Guidelines9
View Report →
Parker
People Served11K
Contaminants Tested128
Above Guidelines4
View Report →
Sterling Ranch
People Served11K
Contaminants Tested130
Above Guidelines2
View Report →
Steamboat Springs
People Served10K
Contaminants Tested13
Above Guidelines3
View Report →
Morrison
People Served10K
Contaminants Tested125
Above Guidelines2
View Report →
Salt Creek
People Served10K
Contaminants Tested132
Above Guidelines6
View Report →
Idaho Springs
People Served9K
Contaminants Tested126
Above Guidelines2
View Report →
Dakota Ridge
People Served9K
Contaminants Tested1
Above Guidelines0
View Report →
Milliken
People Served9K
Contaminants Tested125
Above Guidelines2
View Report →
Delta
People Served9K
Contaminants Tested13
Above Guidelines2
View Report →
Peyton
People Served8K
Contaminants Tested20
Above Guidelines12
View Report →
Silverthorne
People Served8K
Contaminants Tested125
Above Guidelines4
View Report →
Severance
People Served8K
Contaminants Tested13
Above Guidelines2
View Report →
Inverness
People Served8K
Contaminants Tested128
Above Guidelines2
View Report →
Gypsum
People Served8K
Contaminants Tested127
Above Guidelines5
View Report →
Evans
People Served8K
Contaminants Tested13
Above Guidelines2
View Report →
Garden City
People Served8K
Contaminants Tested13
Above Guidelines2
View Report →
Greeley
People Served8K
Contaminants Tested13
Above Guidelines2
View Report →
Eagle
People Served7K
Contaminants Tested126
Above Guidelines3
View Report →
Manitou Springs
People Served7K
Contaminants Tested125
Above Guidelines3
View Report →
Lochbuie
People Served7K
Contaminants Tested127
Above Guidelines7
View Report →
Fraser
People Served7K
Contaminants Tested20
Above Guidelines5
View Report →
Littleton
People Served6K
Contaminants Tested13
Above Guidelines2
View Report →
Eaton
People Served6K
Contaminants Tested16
Above Guidelines2
View Report →
Lakewood
People Served6K
Contaminants Tested0
Above Guidelines0
View Report →
Dacono
People Served6K
Contaminants Tested13
Above Guidelines2
View Report →
Monument
People Served5K
Contaminants Tested124
Above Guidelines4
View Report →
Basalt
People Served5K
Contaminants Tested88
Above Guidelines5
View Report →
El Jebel
People Served5K
Contaminants Tested88
Above Guidelines5
View Report →
Frisco
People Served4K
Contaminants Tested127
Above Guidelines6
View Report →
Genesee
People Served4K
Contaminants Tested128
Above Guidelines3
View Report →
Hayden
People Served4K
Contaminants Tested126
Above Guidelines2
View Report →
Buena Vista
People Served4K
Contaminants Tested20
Above Guidelines10
View Report →
Central
People Served4K
Contaminants Tested125
Above Guidelines2
View Report →
Burlington
People Served4K
Contaminants Tested20
Above Guidelines10
View Report →
Lyons
People Served4K
Contaminants Tested13
Above Guidelines2
View Report →
Silt
People Served4K
Contaminants Tested20
Above Guidelines9
View Report →
Hudson
People Served3K
Contaminants Tested124
Above Guidelines6
View Report →
Walsenburg
People Served3K
Contaminants Tested20
Above Guidelines11
View Report →
Palisade
People Served3K
Contaminants Tested125
Above Guidelines2
View Report →
Platteville
People Served3K
Contaminants Tested13
Above Guidelines2
View Report →
Cripple Creek
People Served3K
Contaminants Tested20
Above Guidelines12
View Report →
Dillon
People Served3K
Contaminants Tested87
Above Guidelines3
View Report →
Holyoke
People Served3K
Contaminants Tested20
Above Guidelines9
View Report →
Copper Mountain
People Served3K
Contaminants Tested127
Above Guidelines6
View Report →
Meeker
People Served3K
Contaminants Tested20
Above Guidelines7
View Report →
Paonia
People Served2K
Contaminants Tested20
Above Guidelines6
View Report →
Palmer Lake
People Served2K
Contaminants Tested126
Above Guidelines6
View Report →
Crested Butte
People Served2K
Contaminants Tested20
Above Guidelines6
View Report →
Nederland
People Served2K
Contaminants Tested127
Above Guidelines5
View Report →
Center
People Served2K
Contaminants Tested20
Above Guidelines1
View Report →
Silverton
People Served2K
Contaminants Tested20
Above Guidelines5
View Report →
Akron
People Served2K
Contaminants Tested124
Above Guidelines6
View Report →
Wray
People Served2K
Contaminants Tested20
Above Guidelines5
View Report →
Rangely
People Served2K
Contaminants Tested20
Above Guidelines6
View Report →
Bayfield
People Served2K
Contaminants Tested20
Above Guidelines10
View Report →
Colorado City
People Served2K
Contaminants Tested126
Above Guidelines7
View Report →
Flagler
People Served2K
Contaminants Tested20
Above Guidelines11
View Report →
Kersey
People Served2K
Contaminants Tested13
Above Guidelines2
View Report →
Cedaredge
People Served2K
Contaminants Tested20
Above Guidelines5
View Report →
Hotchkiss
People Served2K
Contaminants Tested20
Above Guidelines7
View Report →
Strasburg
People Served2K
Contaminants Tested20
Above Guidelines10
View Report →
Grand Lake
People Served2K
Contaminants Tested125
Above Guidelines2
View Report →
La Salle
People Served2K
Contaminants Tested13
Above Guidelines2
View Report →
Creede
People Served2K
Contaminants Tested20
Above Guidelines3
View Report →
Conifer
People Served2K
Contaminants Tested20
Above Guidelines14
View Report →
Ault
People Served2K
Contaminants Tested13
Above Guidelines2
View Report →
Granby
People Served2K
Contaminants Tested20
Above Guidelines8
View Report →
Olathe
People Served2K
Contaminants Tested13
Above Guidelines2
View Report →
Dolores
People Served2K
Contaminants Tested20
Above Guidelines8
View Report →
Avondale
People Served2K
Contaminants Tested87
Above Guidelines4
View Report →
Crestone
People Served2K
Contaminants Tested20
Above Guidelines4
View Report →
Aetna Estates
People Served1K
Contaminants Tested124
Above Guidelines1
View Report →
Georgetown
People Served1K
Contaminants Tested126
Above Guidelines2
View Report →
Watkins
People Served1K
Contaminants Tested125
Above Guidelines5
View Report →
Parachute
People Served1K
Contaminants Tested125
Above Guidelines7
View Report →
Minturn
People Served1K
Contaminants Tested124
Above Guidelines2
View Report →
Gilcrest
People Served1K
Contaminants Tested13
Above Guidelines2
View Report →
Ridgway
People Served1K
Contaminants Tested125
Above Guidelines2
View Report →
Brook Forest
People Served1K
Contaminants Tested127
Above Guidelines7
View Report →
Oak Creek
People Served1K
Contaminants Tested126
Above Guidelines2
View Report →
Loghill Village
People Served1K
Contaminants Tested129
Above Guidelines2
View Report →
Bow Mar
People Served1K
Contaminants Tested0
Above Guidelines0
View Report →
Collbran
People Served1K
Contaminants Tested118
Above Guidelines3
View Report →
Yampa
People Served0K
Contaminants Tested126
Above Guidelines2
View Report →
Red Cliff
People Served0K
Contaminants Tested124
Above Guidelines2
View Report →
Cascade-Chipita Park
People Served0K
Contaminants Tested95
Above Guidelines3
View Report →
Woodland Park
People Served0K
Contaminants Tested95
Above Guidelines3
View Report →
Fleming
People Served0K
Contaminants Tested125
Above Guidelines2
View Report →
Empire
People Served0K
Contaminants Tested126
Above Guidelines6
View Report →
Boone
People Served0K
Contaminants Tested86
Above Guidelines7
View Report →
Coal Creek
People Served0K
Contaminants Tested13
Above Guidelines2
View Report →
Allenspark
People Served0K
Contaminants Tested125
Above Guidelines2
View Report →
Iliff
People Served0K
Contaminants Tested125
Above Guidelines2
View Report →
Hillrose
People Served0K
Contaminants Tested13
Above Guidelines0
View Report →
Peetz
People Served0K
Contaminants Tested119
Above Guidelines5
View Report →
Jamestown
People Served0K
Contaminants Tested125
Above Guidelines5
View Report →
Larkspur
People Served0K
Contaminants Tested124
Above Guidelines3
View Report →
Eldorado Springs
People Served0K
Contaminants Tested124
Above Guidelines6
View Report →
Merino
People Served0K
Contaminants Tested124
Above Guidelines4
View Report →
Ward
People Served0K
Contaminants Tested82
Above Guidelines0
View Report →
Crook
People Served0K
Contaminants Tested125
Above Guidelines2
View Report →
Sheridan
People Served0K
Contaminants Tested124
Above Guidelines4
View Report →
Castle Pines
People Served0K
Contaminants Tested124
Above Guidelines2
View Report →
Mountain View
People Served0K
Contaminants Tested124
Above Guidelines6
View Report →
Fort Morgan
People Served0K
Contaminants Tested20
Above Guidelines7
View Report →
Penrose
People Served0K
Contaminants Tested13
Above Guidelines6
View Report →
Wiggins
People Served0K
Contaminants Tested20
Above Guidelines11
View Report →