Montana Water Utilities
Comprehensive directory of 104 water utilities serving 0.6 million people across Montana. View quality reports, EPA violations, and contact information.
104
Utilities
0.6M
People Served
14
With Health-Based Violations Since 2020
0.1M
Largest Utility
All Water Utilities in Montana
Need Montana Contact Data?
Get verified contacts for 104 Montana water utilities. Names, titles, phone numbers, and emails.
BILLINGS CITY OF
People Served
114KCities Served
1Above Guidelines
3View Details →
MISSOULA WATER
People Served
68KCities Served
3Above Guidelines
3View Details →
GREAT FALLS CITY OF
People Served
60KCities Served
3Above Guidelines
3View Details →
BOZEMAN CITY OF
People Served
56KCities Served
1Above Guidelines
4View Details →
BUTTE SILVERBOW WATER DEPT
People Served
33KCities Served
1Above Guidelines
2View Details →
KALISPELL PUBLIC WORKS
People Served
25KCities Served
1Above Guidelines
1View Details →
CO WATER DIST OF BILLINGS HEIGHTS
People Served
12KCities Served
1Above Guidelines
2View Details →
BELGRADE CITY OF
People Served
10KCities Served
1Above Guidelines
2View Details →
WHITEFISH CITY OF
People Served
10KCities Served
1Above Guidelines
2View Details →
WEST YELLOWSTONE TOWN OF
People Served
10KCities Served
1Above Guidelines
2View Details →
HAVRE CITY OF
People Served
10KCities Served
1EPA Violations Since 2020
2Above Guidelines
2View Details →
MILES CITY CITY OF
People Served
10KCities Served
1EPA Violations Since 2020
3Above Guidelines
3View Details →
MALMSTROM AIR FORCE BASE
People Served
9KCities Served
1Above Guidelines
2View Details →
FLATHEAD COUNTY WATER AND SEWER
People Served
8KCities Served
1View Details →
ANACONDA WATER DEPARTMENT
People Served
7KCities Served
1Above Guidelines
2View Details →
BIGFORK COUNTY WATER AND SEWER
People Served
6KCities Served
1View Details →
LOCKWOOD WATER AND SEWER DISTRICT
People Served
6KCities Served
1Above Guidelines
2View Details →
SIDNEY CITY OF
People Served
5KCities Served
1Above Guidelines
4View Details →
NORTH STAR ZOOT WATER
People Served
4KCities Served
1Above Guidelines
5View Details →
RIVER ROCK COUNTY WATER AND SEWER DIST
People Served
4KCities Served
1View Details →
BIG SKY COUNTY WATER AND SEWER DIST 363
People Served
4KCities Served
1Above Guidelines
2View Details →
GLASGOW CITY OF
People Served
3KCities Served
1Above Guidelines
3View Details →
LAME DEER WATER SYSTEM
People Served
3KCities Served
1EPA Violations Since 2020
1View Details →
POPLAR, CITY OF
People Served
3KCities Served
1View Details →
WOLF POINT CITY OF
People Served
3KCities Served
1View Details →
DEER LODGE CITY OF
People Served
3KCities Served
2Above Guidelines
4View Details →
LOLO WATER AND SEWER DIST
People Served
3KCities Served
1Above Guidelines
3View Details →
BIG MOUNTAIN WATER COMPANY
People Served
2KCities Served
1Above Guidelines
3View Details →
COLSTRIP CITY OF
People Served
2KCities Served
1EPA Violations Since 2020
2Above Guidelines
3View Details →
FORSYTH CITY OF
People Served
2KCities Served
1Above Guidelines
3View Details →
RAE WATER AND SEWER DIST 313
People Served
2KCities Served
2Above Guidelines
1View Details →
TROY WATER SYSTEM
People Served
2KCities Served
1View Details →
EASTGATE VILLAGE SEWER AND WATER
People Served
2KCities Served
1View Details →
COLUMBUS WATER SYSTEM
People Served
2KCities Served
1Above Guidelines
4View Details →
ROUNDUP WATER DEPARTMENT
People Served
2KCities Served
1Above Guidelines
5View Details →
THREE FORKS WATER SYSTEM
People Served
2KCities Served
1Above Guidelines
4View Details →
BAKER WATER SYSTEM
People Served
2KCities Served
1Above Guidelines
1View Details →
MALTA WATER SYSTEM
People Served
2KCities Served
1Above Guidelines
3View Details →
MANHATTAN WATER SYSTEM
People Served
2KCities Served
1Above Guidelines
4View Details →
SUN PRAIRIE VILLAGE COUNTY
People Served
2KCities Served
1View Details →
HILL COUNTY WATER DISTRICTS
People Served
2KCities Served
2Above Guidelines
3View Details →
PLENTYWOOD WATER DEPARTMENT
People Served
2KCities Served
1Above Guidelines
2View Details →
CHOTEAU WATER SYSTEM
People Served
2KCities Served
1Above Guidelines
3View Details →
BIG TIMBER WATER SYSTEM
People Served
2KCities Served
1Above Guidelines
4View Details →
SEELEY LAKE WATER DISTRICT
People Served
2KCities Served
1Above Guidelines
2View Details →
FORT BENTON WATER SYSTEM
People Served
2KCities Served
1Above Guidelines
4View Details →
VIRGINIA CITY WATER DEPT
People Served
2KCities Served
1EPA Violations Since 2020
5Above Guidelines
3View Details →
BOULDER WATER SYSTEM
People Served
1KCities Served
1EPA Violations Since 2020
1Above Guidelines
3View Details →
ENNIS WATER SYSTEM
People Served
1KCities Served
1Above Guidelines
3View Details →
PHILIPSBURG TOWN OF
People Served
1KCities Served
1EPA Violations Since 2020
19 (12 open)Above Guidelines
4View Details →
PLAINS WATER SYSTEM
People Served
1KCities Served
1Above Guidelines
3View Details →
CHINOOK CITY OF
People Served
1KCities Served
1EPA Violations Since 2020
4Above Guidelines
3View Details →
CROW AGENCY WATER SYSTEM
People Served
1KCities Served
1EPA Violations Since 2020
15 (2 open)View Details →
BLACK EAGLE CASCADE COUNTY WATER SEWER
People Served
1KCities Served
1Above Guidelines
2View Details →
LAKESIDE WATER SYSTEM
People Served
1KCities Served
1Above Guidelines
2View Details →
ABSAROKEE WATER AND SEWER DIST
People Served
1KCities Served
1Above Guidelines
3View Details →
CMRWA MUSSELSHELL JUDITH RURAL WATER SYS
People Served
1KCities Served
1View Details →
HARLOWTON WATER SYSTEM
People Served
1KCities Served
1Above Guidelines
1View Details →
SCOBEY CITY OF
People Served
1KCities Served
1Above Guidelines
5View Details →
FAIRVIEW TOWN OF
People Served
1KCities Served
1Above Guidelines
3View Details →
PRAIRIE WATER COMPANY
People Served
1KCities Served
2View Details →
WHITE SULPHUR SPRINGS WATER SYSTEM
People Served
1KCities Served
1Above Guidelines
3View Details →
WESTVIEW MOBILE HOME PARK
People Served
1KCities Served
1Above Guidelines
2View Details →
LANDMARK SUBDIVISION
People Served
1KCities Served
1View Details →
CULBERTSON TOWN OF
People Served
1KCities Served
1Above Guidelines
3View Details →
GARDINER PARK CO WATER DIST
People Served
1KCities Served
1Above Guidelines
4View Details →
ELK GROVE WATER
People Served
1KCities Served
1Above Guidelines
2View Details →
FORT PECK RURAL COUNTY WATER DISTRICT
People Served
1KCities Served
1EPA Violations Since 2020
2Above Guidelines
2View Details →
CIRCLE TOWN OF
People Served
1KCities Served
1Above Guidelines
1View Details →
PHANTOM HILLS WATER SYSTEM
People Served
1KCities Served
1Above Guidelines
3View Details →
MEDICINE LAKE TOWN OF
People Served
1KCities Served
1Above Guidelines
2View Details →
HOMESTEAD ACRES COUNTY WATER AND SEWER
People Served
1KCities Served
1EPA Violations Since 2020
1View Details →
CUSTER CO WATER AND SEWER DIST
People Served
0KCities Served
1Above Guidelines
2View Details →
LODGE GRASS TOWN OF
People Served
0KCities Served
1Above Guidelines
2View Details →
FLATHEAD CO WATER DISTRICT NO 8
People Served
0KCities Served
1Above Guidelines
2View Details →
BROADUS TOWN OF
People Served
0KCities Served
1Above Guidelines
1View Details →
FROID TOWN OF
People Served
0KCities Served
1Above Guidelines
2View Details →
ASHLAND WATER AND SEWER DIST
People Served
0KCities Served
1EPA Violations Since 2020
1Above Guidelines
2View Details →
EKALAKA TOWN OF
People Served
0KCities Served
1View Details →
DRY REDWATER REGIONAL WATER AUTHORITY
People Served
0KCities Served
1View Details →
BAINVILLE TOWN OF
People Served
0KCities Served
1Above Guidelines
2View Details →
RIVERSIDE WATER AND SEWER DIST
People Served
0KCities Served
1Above Guidelines
2View Details →
IRON HORSE HOMEOWNERS ASSOC
People Served
0KCities Served
1View Details →
NASHUA TOWN OF
People Served
0KCities Served
1Above Guidelines
2View Details →
HYSHAM TOWN OF
People Served
0KCities Served
1EPA Violations Since 2020
7Above Guidelines
3View Details →
COUNTRY LAKE HOMES WHITEFISH
People Served
0KCities Served
1Above Guidelines
1View Details →
FORT PECK TOWN OF
People Served
0KCities Served
1Above Guidelines
3View Details →
GOODAN KEIL CO WATER DIST
People Served
0KCities Served
1View Details →
SOUTH WIND WATER AND SEWER DISTRICT
People Served
0KCities Served
2Above Guidelines
2View Details →
CHERRY CREEK WUA GLASGOW
People Served
0KCities Served
1View Details →
RICHEY TOWN OF
People Served
0KCities Served
1Above Guidelines
1View Details →
SACO TOWN OF
People Served
0KCities Served
1Above Guidelines
2View Details →
OPHEIM TOWN OF
People Served
0KCities Served
1EPA Violations Since 2020
1Above Guidelines
3View Details →
PERRYS WATER SERVICE
People Served
0KCities Served
1View Details →
NORTH HAVRE COUNTY WATER DIST
People Served
0KCities Served
2Above Guidelines
2View Details →
FLAXVILLE TOWN OF
People Served
0KCities Served
1Above Guidelines
4View Details →
PRAIRIE COMMUNITY HOSPITAL
People Served
0KCities Served
1Above Guidelines
3View Details →
BIG PINES TRAILER COURT
People Served
0KCities Served
1View Details →
BLACK ROCK ESTATES SUBDIVISION
People Served
0KCities Served
1View Details →
HARTLAND COLONY
People Served
0KCities Served
1Above Guidelines
1View Details →
2727 WEST CENTRAL DUPLEXES
People Served
0KCities Served
1Above Guidelines
1View Details →
HARDIN SUBDIVISION
People Served
0KCities Served
1View Details →
MARTIN CITY COUNTY WATER DISTRICT
People Served
0KCities Served
1Above Guidelines
1View Details →
SUPERIOR WATER SYSTEM
People Served
0KCities Served
1Above Guidelines
2View Details →
Need contact data for Montana utilities?
Water operators in Montana
If you run a water utility in Montana, 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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