Idaho Water Utilities
Comprehensive directory of 111 water utilities serving 1.3 million people across Idaho. View quality reports, EPA violations, and contact information.
111
Utilities
1.3M
People Served
6
With Violations
0.3M
Largest Utility
All Water Utilities in Idaho
Need Idaho Contact Data?
Get verified contacts for 111 Idaho water utilities. Names, titles, phone numbers, and emails.
VEOLIA WATER IDAHO
People Served
250KCities Served
7Above Guidelines
4View Details →
MERIDIAN WATER DEPT
People Served
133KCities Served
1Above Guidelines
3View Details →
NAMPA CITY OF
People Served
100KCities Served
1Above Guidelines
4View Details →
CALDWELL CITY OF
People Served
65KCities Served
1Above Guidelines
4View Details →
IDAHO FALLS CITY OF
People Served
63KCities Served
1Above Guidelines
4View Details →
POCATELLO CITY OF
People Served
57KCities Served
1EPA Violations
1Above Guidelines
6View Details →
COEUR D ALENE CITY OF
People Served
54KCities Served
7Above Guidelines
4View Details →
COEUR D'ALENE WATER SYSTEM
People Served
54KCities Served
1Above Guidelines
4View Details →
TWIN FALLS CITY OF
People Served
50KCities Served
1Above Guidelines
4View Details →
SUGAR CITY WATER SYSTEM
People Served
39KCities Served
1Above Guidelines
3View Details →
KUNA CITY OF
People Served
32KCities Served
1Above Guidelines
4View Details →
PUD #1 OF ASOTIN COUNTY
People Served
23KCities Served
5Above Guidelines
2View Details →
LEWISTON ORCHARDS IRRIGATION DIST
People Served
20KCities Served
1Above Guidelines
3View Details →
FALLS WATER COMPANY INC
People Served
20KCities Served
2Above Guidelines
4View Details →
POST FALLS CITY OF
People Served
17KCities Served
1Above Guidelines
2View Details →
AMMON CITY OF
People Served
17KCities Served
1Above Guidelines
5View Details →
CHUBBUCK CITY OF
People Served
16KCities Served
1Above Guidelines
6View Details →
LEWISTON CITY OF
People Served
15KCities Served
3Above Guidelines
6View Details →
ONTARIO, CITY OF
People Served
14KCities Served
2Above Guidelines
1View Details →
MOUNTAIN HOME, CITY OF
People Served
14KCities Served
1Above Guidelines
1View Details →
STAR SEWER AND WATER DIST WATER SYSTEM
People Served
14KCities Served
1Above Guidelines
1View Details →
GARDEN CITY WATER AND SEWER SYSTEM
People Served
13KCities Served
2Above Guidelines
2View Details →
BLACKFOOT CITY OF
People Served
12KCities Served
1EPA Violations
2Above Guidelines
4View Details →
JEROME CITY OF
People Served
12KCities Served
1Above Guidelines
5View Details →
SANDPOINT PUBLIC WORKS DEPT
People Served
11KCities Served
3Above Guidelines
3View Details →
EAST GREENACRES IRRIGATION DIST
People Served
11KCities Served
2Above Guidelines
4View Details →
BURLEY WATER DEPT
People Served
10KCities Served
1Above Guidelines
3View Details →
VEOLIA EAGLE
People Served
10KCities Served
1Above Guidelines
2View Details →
CAPITOL WATER CORP
People Served
9KCities Served
2Above Guidelines
7View Details →
ROSS POINT WATER DIST
People Served
9KCities Served
1Above Guidelines
5View Details →
HAYDEN LAKE IRRIGATION DIST
People Served
9KCities Served
2Above Guidelines
4View Details →
MIDDLETON CITY OF
People Served
9KCities Served
1View Details →
RATHDRUM CITY OF
People Served
8KCities Served
1Above Guidelines
4View Details →
AVONDALE IRRIGATION DIST
People Served
8KCities Served
4Above Guidelines
4View Details →
CENTRAL SHOSHONE COUNTY WATER DIST
People Served
6KCities Served
1Above Guidelines
2View Details →
EAGLE, CITY OF (WESTERN ZONE)
People Served
5KCities Served
1Above Guidelines
3View Details →
KIMBERLY CITY OF
People Served
4KCities Served
1Above Guidelines
6View Details →
BUHL CITY OF
People Served
4KCities Served
1Above Guidelines
5View Details →
GOODING CITY OF
People Served
4KCities Served
1Above Guidelines
6View Details →
KETCHUM CITY OF
People Served
4KCities Served
1Above Guidelines
3View Details →
SUN VALLEY WATER AND SEWER DIST
People Served
3KCities Served
2Above Guidelines
4View Details →
BONNERS FERRY CITY OF
People Served
3KCities Served
1Above Guidelines
4View Details →
RIMROCK SERVICE AREA
People Served
3KCities Served
1Above Guidelines
5View Details →
SALMON CITY OF
People Served
3KCities Served
1EPA Violations
3View Details →
GRANGEVILLE WATER DEPT
People Served
3KCities Served
1Above Guidelines
3View Details →
HILLSIDE SERVICE AREA
People Served
3KCities Served
3Above Guidelines
1View Details →
HEYBURN CITY OF
People Served
3KCities Served
1Above Guidelines
2View Details →
WENDELL CITY OF
People Served
3KCities Served
1Above Guidelines
3View Details →
SODA SPRINGS CITY OF
People Served
3KCities Served
1Above Guidelines
4View Details →
FILER WATER WORKS
People Served
3KCities Served
1EPA Violations
10Above Guidelines
4View Details →
FORT HALL
People Served
3KCities Served
1View Details →
SPIRIT LAKE WATER SYSTEM
People Served
3KCities Served
1Above Guidelines
3View Details →
HOMEDALE CITY OF
People Served
3KCities Served
1Above Guidelines
3View Details →
DALTON WATER ASSN INC
People Served
3KCities Served
1EPA Violations
1Above Guidelines
1View Details →
OROFINO WATER SYSTEM
People Served
2KCities Served
1Above Guidelines
3View Details →
E SHOSHONE COUNTY WATER DIST WALLACE
People Served
2KCities Served
1Above Guidelines
3View Details →
MALAD WATER SYSTEM
People Served
2KCities Served
1Above Guidelines
6View Details →
PARMA CITY OF
People Served
2KCities Served
1Above Guidelines
2View Details →
VICTOR WATER SYSTEM
People Served
2KCities Served
1Above Guidelines
5View Details →
ABERDEEN WATER SYSTEM
People Served
2KCities Served
1Above Guidelines
3View Details →
NEW PLYMOUTH WATER SYSTEM
People Served
2KCities Served
1Above Guidelines
4View Details →
WILDER CITY OF
People Served
2KCities Served
1Above Guidelines
2View Details →
SHOSHONE WATER WORKS
People Served
1KCities Served
1Above Guidelines
1View Details →
DRIGGS WATER SYSTEM
People Served
1KCities Served
1Above Guidelines
2View Details →
MARSING CITY OF
People Served
1KCities Served
1Above Guidelines
5View Details →
HAYDEN PINES GROUSE MEADOWS
People Served
1KCities Served
2Above Guidelines
3View Details →
HANSEN CITY OF
People Served
1KCities Served
1Above Guidelines
4View Details →
PAUL CITY OF
People Served
1KCities Served
1Above Guidelines
2View Details →
BAYVIEW WATER AND SEWER DIST
People Served
1KCities Served
1Above Guidelines
4View Details →
UCON WATER SYSTEM
People Served
1KCities Served
1Above Guidelines
1View Details →
LAPWAI CITY OF
People Served
1KCities Served
1View Details →
ASHTON WATER SYSTEM
People Served
1KCities Served
1Above Guidelines
6View Details →
ARCO WATER SYSTEM
People Served
1KCities Served
1Above Guidelines
2View Details →
GENESEE CITY OF
People Served
1KCities Served
1Above Guidelines
3View Details →
PLUMMER WATER SYSTEM
People Served
1KCities Served
1Above Guidelines
6View Details →
HAGERMAN CITY OF
People Served
1KCities Served
1Above Guidelines
4View Details →
GREENFERRY WATER & SEWER DISTRICT
People Served
1KCities Served
1Above Guidelines
1View Details →
COTTONWOOD WATER DEPT
People Served
1KCities Served
1Above Guidelines
2View Details →
GRACE CITY OF
People Served
1KCities Served
1Above Guidelines
4View Details →
CHALLIS CITY OF
People Served
1KCities Served
1Above Guidelines
3View Details →
GREENLEAF CITY OF
People Served
1KCities Served
1Above Guidelines
2View Details →
HILLSDALE ESTATES HOMEOWNERS ASSN
People Served
1KCities Served
1Above Guidelines
2View Details →
MOYIE SPRINGS CITY OF
People Served
1KCities Served
1View Details →
KOOSKIA WATER DEPT
People Served
1KCities Served
1Above Guidelines
3View Details →
DOVER CITY OF
People Served
1KCities Served
1View Details →
MACKAY CITY OF
People Served
1KCities Served
1Above Guidelines
2View Details →
PINE VILLA PARK AND WATER ASSN
People Served
1KCities Served
1Above Guidelines
1View Details →
EMERALD ESTATES WATER ASSN INC
People Served
0KCities Served
1Above Guidelines
1View Details →
PINEVIEW ESTATES WATER DIST
People Served
0KCities Served
1Above Guidelines
2View Details →
NORTHSIDE WATER USERS ASSN
People Served
0KCities Served
1View Details →
BLISS CITY OF
People Served
0KCities Served
1Above Guidelines
3View Details →
TROY HOFFMAN WATER CORP
People Served
0KCities Served
3Above Guidelines
1View Details →
MORELAND WATER AND SEWER DISTRICT
People Served
0KCities Served
1Above Guidelines
1View Details →
BANCROFT CITY OF
People Served
0KCities Served
1Above Guidelines
3View Details →
BIG SKY N. SUBDIVISION
People Served
0KCities Served
1View Details →
TYHEE AND S AND N ESTATES WATER ASSN
People Served
0KCities Served
1Above Guidelines
4View Details →
STITES CITY OF
People Served
0KCities Served
1Above Guidelines
3View Details →
MELLEN SUBD WATER DIST
People Served
0KCities Served
1Above Guidelines
2View Details →
BIA NORTH IDAHO
People Served
0KCities Served
1View Details →
COUGAR BAY WATER ASSOCIATION
People Served
0KCities Served
1Above Guidelines
2View Details →
HOLLISTER CITY OF
People Served
0KCities Served
1Above Guidelines
4View Details →
MCGUIRE ESTATES WATER USERS
People Served
0KCities Served
1View Details →
D AND M WATER ASSN
People Served
0KCities Served
1Above Guidelines
3View Details →
WHITE BIRD CITY OF
People Served
0KCities Served
1Above Guidelines
3View Details →
WHITEWATER SUBD
People Served
0KCities Served
1Above Guidelines
1View Details →
SMITH ROAD WATER USERS ASSN
People Served
0KCities Served
1Above Guidelines
4View Details →
WAYSIDE ESTATES
People Served
0KCities Served
1EPA Violations
1Above Guidelines
3View Details →
ANTELOPE CREEK LIVING CENTER
People Served
0KCities Served
1View Details →
KOOTENAI HEIGHTS
People Served
0KCities Served
1Above Guidelines
4View Details →
CAREY WATER AND SEWER
People Served
0KCities Served
1Above Guidelines
7View Details →
CASCADE WATER SYSTEM
People Served
0KCities Served
1View Details →
Need contact data for Idaho utilities?
Water operators in Idaho
If you run a water utility in Idaho, you're subject to the EPA CCR Rule (40 CFR 141.151) enforced by the state drinking-water program. The 2027 revised rule adds direct-URL delivery requirements effective January 1, 2027, with the first compliant report due July 1, 2027. See our 2027 CCR Rule summary for requirements that apply to your utility.
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