Montana water providers — page 3
Find published drinking-water records, providers, and official agency resources for Montana. Review sources, sample dates, and coverage.
Official drinking-water resources
- Montana Department of Environmental Quality - Public Water Supply Bureau
- Montana Drinking Water Watch
- Montana DEQ — PFAS sampling information
The responsible agency may differ for tribal systems. Record availability and sample dates vary by provider.
Community systems appear first. Sort: Population served · A–Z
Public water systems
2,350 systems in the imported directory. Includes community systems, schools, workplaces, and other public systems.
- Grant Creek Water Users Association IncMT0003305 · CWS · Population served: 380
- Stone Creek SubdivisionMT0005183 · CWS · Population served: 378
- Sundance SubdivisionMT0005056 · CWS · Population served: 378
- Town of Brockton083090057 · CWS · Population served: 375
- Jette Meadows Lake Co W And S DistMT0003100 · CWS · Population served: 375
- Dry Redwater Regional Water AuthorityMT0004839 · CWS · Population served: 365
- Town of JordanMT0000257 · CWS · Population served: 364
- St Ignatius (MISSION) So.Side083090031 · CWS · Population served: 356
- Mt Moonlight BasinMT0004023 · CWS · Population served: 355
- Cherry ViewMT0004856 · CWS · Population served: 352
- Town of BainvilleMT0000020 · CWS · Population served: 350
- Firelight Meadows LLCMT0004236 · CWS · Population served: 350
- Hidden Lake Yellowstone County W And S DMT0003374 · CWS · Population served: 350
- Lower Pioneer Mountain Water SystemMT0004462 · CWS · Population served: 350
- Saddle Mountain Corp ClancyMT0000057 · CWS · Population served: 350
- Sun Prairie Water DistrictMT0000571 · CWS · Population served: 350
- Water Service Inc Trout CreekMT0000347 · CWS · Population served: 350
- Riverside Water And Sewer DistMT0002173 · CWS · Population served: 344
- Martin City County Water DistrictMT0000286 · CWS · Population served: 340
- Town of DuttonMT0000204 · CWS · Population served: 338
- Iron Horse Homeowners AssocMT0004052 · CWS · Population served: 335
- Noxon Water DistrictMT0000299 · CWS · Population served: 330
- Forest Park Water Users AssociationMT0000591 · CWS · Population served: 323
- Emerald View ParkMT0002996 · CWS · Population served: 320
- Mountain Acres Mb Hm PkMT0003809 · CWS · Population served: 320
- Shiloh Road DevelopmentMT0005178 · CWS · Population served: 315
- Southside Public Water SupplyMT0002652 · CWS · Population served: 306
- Clyde Park Water DeptMT0000178 · CWS · Population served: 300
- Cooke City Water DistrictMT0000187 · CWS · Population served: 300
- Hildreth Subdivision No 2MT0002486 · CWS · Population served: 300
- Keller Subdivision No 2 HOAMT0002485 · CWS · Population served: 300
- Mobile City Home Park No 2MT0003043 · CWS · Population served: 300
- Mountain Meadows Estates LLPMT0001791 · CWS · Population served: 300
- Mountain Villa Apts KalispellMT0002640 · CWS · Population served: 300
- Town of NashuaMT0000297 · CWS · Population served: 300
- Ncmrwa North ShelbyMT0005064 · CWS · Population served: 300
- Oilmont County Water DistrictMT0000587 · CWS · Population served: 300
- Roberts Wua Carbon Co Water And SewerMT0000317 · CWS · Population served: 300
- Seville Water System083090008 · CWS · Population served: 300
- Jette Lake Landowners AssociationMT0003102 · CWS · Population served: 295
- Northern Pines Community HOAMT0004193 · CWS · Population served: 295
- Anaconda CccMT0062254 · CWS · Population served: 290
- Town of KevinMT0000265 · CWS · Population served: 290
- Wyola Water System083090014 · CWS · Population served: 281
- Ap WilliamsMT0001671 · CWS · Population served: 280
- Highwood County Water And Sewer DistrictMT0000248 · CWS · Population served: 280
- Ridgewood Terrace MhpMT0004186 · CWS · Population served: 280
- Town of LimaMT0000276 · CWS · Population served: 279
- Pache Water System083090036 · CWS · Population served: 276
- Rocky Mountain Hi Rv ParkMT0002812 · CWS · Population served: 275
- Trapper Creek Job CorpsMT0062207 · CWS · Population served: 275
- Great Falls Rv ParkMT0000027 · CWS · Population served: 274
- Town of WinifredMT0000363 · CWS · Population served: 274
- Alpine Pacific UtilitiesMT0004700 · CWS · Population served: 270
- Town of RyegateMT0000322 · CWS · Population served: 270
- Town of HyshamMT0000428 · CWS · Population served: 262
- Country Lake Homes WhitefishMT0003031 · CWS · Population served: 260
- Forest Park Tr Ct No 1 BozemanMT0001366 · CWS · Population served: 260
- Town of GeraldineMT0000225 · CWS · Population served: 260
- Katoonah LodgesMT0003692 · CWS · Population served: 258
- Town of DentonMT0000199 · CWS · Population served: 255
- Blue Sky Heights Wua ClancyMT0000030 · CWS · Population served: 250
- Granite Park Water AssociationMT0004563 · CWS · Population served: 250
- Heart Butte School083090009 · CWS · Population served: 250
- Helena Rv And Mobile Home ParkMT0000426 · CWS · Population served: 250
- Hinsdale Water DepartmentMT0000250 · CWS · Population served: 250
- Lexley Acres Mobile Home ParkMT0000461 · CWS · Population served: 250
- Precision WaterMT0004497 · CWS · Population served: 250
- Ranchview Estates WuaMT0003782 · CWS · Population served: 250
- Ridgewood EstatesMT0003175 · CWS · Population served: 250
- Sorrel Springs HOAMT0000518 · CWS · Population served: 250
- Starr School Water System083090007 · CWS · Population served: 250
- Wilsall Water DistrictMT0000362 · CWS · Population served: 250
- Ponderosa Homeowners Assn IncMT0002863 · CWS · Population served: 246
- Golden Meadows Subdivision 2nd CcMT0005186 · CWS · Population served: 245
- Town of Fort PeckMT0000218 · CWS · Population served: 240
- Wells Garden EstatesMT0002927 · CWS · Population served: 240
- Yellowstone Boys And Girls RanchMT0000154 · CWS · Population served: 240
- Green Tree Meadows County W And S DistMT0003194 · CWS · Population served: 237
- Skycrest Estates SubdivisionMT0004964 · CWS · Population served: 235
- Hebgen Lake Estates Co Water Sewer DistrMT0001983 · CWS · Population served: 230
- Hilltop Terrace SubdivisionMT0001922 · CWS · Population served: 230
- Huntley Yellowstone Co Water And SewerMT0000254 · CWS · Population served: 230
- Kokanee Bend HOAMT0002997 · CWS · Population served: 230
- Ryan Dam Water SystemMT0000046 · CWS · Population served: 230
- Spirit Hills SubdivisionMT0004208 · CWS · Population served: 230
- Town of NeihartMT0000298 · CWS · Population served: 229
- Grass Land EstatesMT0004448 · CWS · Population served: 228
- Crystal Springs Water SystemMT0003986 · CWS · Population served: 225
- Golden Estates Trailer CourtMT0000597 · CWS · Population served: 225
- Holmberg Village EstatesMT0004190 · CWS · Population served: 225
- Sage Creek Co Water DistrictMT0003150 · CWS · Population served: 225
- Turtle Lake Water System083090032 · CWS · Population served: 225
- Elmo Water System083090024 · CWS · Population served: 220
- Hollywood Heights Trailer Park LLCMT0000454 · CWS · Population served: 220
- Mnihnapa Water System083090047 · CWS · Population served: 220
- The Nines SubdivisionMT0004989 · CWS · Population served: 220
- Casitas Del RioMT0005060 · CWS · Population served: 216
- Circle H Water IncMT0004446 · CWS · Population served: 215
- Salish Shores Trade Winds Comm VillageMT0003911 · CWS · Population served: 215