Idaho Water Quality Reports
Comprehensive water quality data for 112 cities across Idaho. View EPA-verified contaminant levels and get filter recommendations.
112
Cities
15
Safe
37
Monitor
60
At Risk
Water Quality by County
Explore aggregated water quality scores across Idaho counties. Scores are calculated based on EPA data and weighted by population.
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Data from 88 cities serving 3,146,665 people across 23 counties.
Common Contaminants in Idaho
97 cities in Idaho have at least one contaminant above EPA health guidelines.
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Upload my testCities in Idaho
Meridian
People Served384K
Contaminants Tested487
Above Guidelines15
View Report β
Kuna
People Served282K
Contaminants Tested342
Above Guidelines10
View Report β
Garden City
People Served272K
Contaminants Tested483
Above Guidelines13
View Report β
Boise City
People Served272K
Contaminants Tested406
Above Guidelines13
View Report β
Eagle
People Served265K
Contaminants Tested515
Above Guidelines12
View Report β
Avimor
People Served250K
Contaminants Tested160
Above Guidelines4
View Report β
Hidden Springs
People Served250K
Contaminants Tested160
Above Guidelines4
View Report β
Nampa
People Served102K
Contaminants Tested904
Above Guidelines31
View Report β
Post Falls
People Served93K
Contaminants Tested816
Above Guidelines19
View Report β
Hayden
People Served79K
Contaminants Tested834
Above Guidelines28
View Report β
Hayden Lake
People Served71K
Contaminants Tested331
Above Guidelines12
View Report β
Coeur D Alene
People Served68K
Contaminants Tested922
Above Guidelines18
View Report β
Dalton Gardens
People Served67K
Contaminants Tested409
Above Guidelines10
View Report β
Caldwell
People Served66K
Contaminants Tested653
Above Guidelines19
View Report β
Idaho Falls
People Served66K
Contaminants Tested714
Above Guidelines10
View Report β
Lewiston
People Served58K
Contaminants Tested651
Above Guidelines21
View Report β
Pocatello
People Served57K
Contaminants Tested425
Above Guidelines14
View Report β
Fernan Lake Village
People Served54K
Contaminants Tested186
Above Guidelines5
View Report β
Huetter
People Served54K
Contaminants Tested186
Above Guidelines5
View Report β
Coeur d'Alene
People Served54K
Contaminants Tested20
Above Guidelines4
View Report β
Twin Falls
People Served51K
Contaminants Tested512
Above Guidelines15
View Report β
Sugar City
People Served39K
Contaminants Tested20
Above Guidelines3
View Report β
Ammon
People Served37K
Contaminants Tested221
Above Guidelines9
View Report β
Lincoln
People Served20K
Contaminants Tested115
Above Guidelines4
View Report β
Chubbuck
People Served16K
Contaminants Tested209
Above Guidelines7
View Report β
Mountain Home
People Served15K
Contaminants Tested548
Above Guidelines13
View Report β
Star
People Served15K
Contaminants Tested162
Above Guidelines3
View Report β
Fruitland
People Served14K
Contaminants Tested80
Above Guidelines1
View Report β
Blackfoot
People Served12K
Contaminants Tested389
Above Guidelines16
View Report β
Sandpoint
People Served12K
Contaminants Tested221
Above Guidelines6
View Report β
Jerome
People Served12K
Contaminants Tested372
Above Guidelines6
View Report β
Ponderay
People Served12K
Contaminants Tested145
Above Guidelines3
View Report β
Kootenai
People Served11K
Contaminants Tested224
Above Guidelines7
View Report β
Burley
People Served11K
Contaminants Tested507
Above Guidelines13
View Report β
Hauser
People Served11K
Contaminants Tested75
Above Guidelines4
View Report β
Middleton
People Served9K
Contaminants Tested431
Above Guidelines8
View Report β
Bonners Ferry
People Served9K
Contaminants Tested524
Above Guidelines15
View Report β
Rathdrum
People Served9K
Contaminants Tested340
Above Guidelines13
View Report β
Ketchum
People Served8K
Contaminants Tested1051
Above Guidelines21
View Report β
Pinehurst
People Served6K
Contaminants Tested20
Above Guidelines2
View Report β
Buhl
People Served4K
Contaminants Tested368
Above Guidelines11
View Report β
Kimberley
People Served4K
Contaminants Tested119
Above Guidelines6
View Report β
Kimberly
People Served4K
Contaminants Tested119
Above Guidelines6
View Report β
Gooding
People Served4K
Contaminants Tested262
Above Guidelines8
View Report β
Sun Valley
People Served3K
Contaminants Tested258
Above Guidelines6
View Report β
Salmon
People Served3K
Contaminants Tested254
Above Guidelines0
View Report β
Grangeville
People Served3K
Contaminants Tested178
Above Guidelines3
View Report β
Soda Springs
People Served3K
Contaminants Tested229
Above Guidelines4
View Report β
Heyburn
People Served3K
Contaminants Tested242
Above Guidelines5
View Report β
Wendell
People Served3K
Contaminants Tested122
Above Guidelines3
View Report β
Filer
People Served3K
Contaminants Tested121
Above Guidelines4
View Report β
Fort Hall
People Served3K
Contaminants Tested0
Above Guidelines0
View Report β
Bellevue
People Served3K
Contaminants Tested20
Above Guidelines4
View Report β
Boise
People Served3K
Contaminants Tested1281
Above Guidelines33
View Report β
Spirit Lake
People Served3K
Contaminants Tested20
Above Guidelines3
View Report β
Homedale
People Served3K
Contaminants Tested83
Above Guidelines3
View Report β
Montpelier
People Served3K
Contaminants Tested20
Above Guidelines3
View Report β
Orofino
People Served2K
Contaminants Tested20
Above Guidelines3
View Report β
Wallace
People Served2K
Contaminants Tested15
Above Guidelines3
View Report β
Parma
People Served2K
Contaminants Tested161
Above Guidelines4
View Report β
Malad
People Served2K
Contaminants Tested20
Above Guidelines6
View Report β
Victor
People Served2K
Contaminants Tested20
Above Guidelines5
View Report β
Aberdeen
People Served2K
Contaminants Tested20
Above Guidelines3
View Report β
New Plymouth
People Served2K
Contaminants Tested20
Above Guidelines4
View Report β
Wilder
People Served2K
Contaminants Tested113
Above Guidelines2
View Report β
Shoshone
People Served1K
Contaminants Tested134
Above Guidelines1
View Report β
Marsing
People Served1K
Contaminants Tested160
Above Guidelines9
View Report β
Lapwai
People Served1K
Contaminants Tested77
Above Guidelines0
View Report β
Driggs
People Served1K
Contaminants Tested20
Above Guidelines2
View Report β
Hansen
People Served1K
Contaminants Tested118
Above Guidelines4
View Report β
Paul
People Served1K
Contaminants Tested128
Above Guidelines2
View Report β
Bayview
People Served1K
Contaminants Tested20
Above Guidelines4
View Report β
Ucon
People Served1K
Contaminants Tested5
Above Guidelines1
View Report β
Ashton
People Served1K
Contaminants Tested13
Above Guidelines6
View Report β
Arco
People Served1K
Contaminants Tested20
Above Guidelines2
View Report β
Hagerman
People Served1K
Contaminants Tested308
Above Guidelines10
View Report β
Grace
People Served1K
Contaminants Tested209
Above Guidelines4
View Report β
Genesee
People Served1K
Contaminants Tested111
Above Guidelines3
View Report β
Plummer
People Served1K
Contaminants Tested20
Above Guidelines6
View Report β
Blanchard
People Served1K
Contaminants Tested20
Above Guidelines0
View Report β
Cottonwood
People Served1K
Contaminants Tested95
Above Guidelines2
View Report β
Challis
People Served1K
Contaminants Tested96
Above Guidelines3
View Report β
Greenleaf
People Served1K
Contaminants Tested105
Above Guidelines2
View Report β
Moyie Springs
People Served1K
Contaminants Tested48
Above Guidelines0
View Report β
Kooskia
People Served1K
Contaminants Tested94
Above Guidelines3
View Report β
Tyhee
People Served1K
Contaminants Tested362
Above Guidelines12
View Report β
Dover
People Served1K
Contaminants Tested52
Above Guidelines0
View Report β
Mackay
People Served1K
Contaminants Tested73
Above Guidelines2
View Report β
Kamiah
People Served1K
Contaminants Tested227
Above Guidelines3
View Report β
Sagle
People Served0K
Contaminants Tested180
Above Guidelines2
View Report β
Bliss
People Served0K
Contaminants Tested116
Above Guidelines3
View Report β
Moreland
People Served0K
Contaminants Tested77
Above Guidelines1
View Report β
Bancroft
People Served0K
Contaminants Tested80
Above Guidelines3
View Report β
Arbon Valley
People Served0K
Contaminants Tested0
Above Guidelines0
View Report β
Priest River
People Served0K
Contaminants Tested32
Above Guidelines0
View Report β
Stites
People Served0K
Contaminants Tested81
Above Guidelines3
View Report β
Bennington
People Served0K
Contaminants Tested79
Above Guidelines2
View Report β
Rupert
People Served0K
Contaminants Tested116
Above Guidelines4
View Report β
American Falls
People Served0K
Contaminants Tested97
Above Guidelines0
View Report β
Hollister
People Served0K
Contaminants Tested117
Above Guidelines4
View Report β
Showing top 100 of 112 cities by population.
Use the search box above to find any city in Idaho.
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