Montana water providers — page 2

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.

• City of White Sulphur SpringsMT0000360 · CWS · Population served: 1,000
• Meadow Lake Co Water And Sewer DistrictMT0000914 · CWS · Population served: 950
• Westview Mobile Home ParkMT0000437 · CWS · Population served: 947
• Pioneer Water ServiceMT0004226 · CWS · Population served: 900
• Town of ChesterMT0000173 · CWS · Population served: 870
• Town of DarbyMT0000195 · CWS · Population served: 850
• Hays/White Cow Canyon Ws083090044 · CWS · Population served: 840
• Valley Grove SubdivisionMT0003780 · CWS · Population served: 825
• City of HarlemMT0000239 · CWS · Population served: 820
• Phantom Hills Water SystemMT0004379 · CWS · Population served: 810
• Estates At Yellowstone LLCMT0000464 · CWS · Population served: 800
• Town of PinesdaleMT0002926 · CWS · Population served: 800
• Worden Ballantine YellowstoneMT0000022 · CWS · Population served: 800
• Jefferson Hills WuaMT0002978 · CWS · Population served: 780
• Golden Meadows SubdivisionMT0005141 · CWS · Population served: 772
• Somers Co Water And Sewer DistMT0000332 · CWS · Population served: 765
• Town of BridgerMT0000165 · CWS · Population served: 750
• Fisher Water ServiceMT0001848 · CWS · Population served: 750
• Landmark SubdivisionMT0004262 · CWS · Population served: 750
• Ten Mile And Pleasant Valley WuaMT0002005 · CWS · Population served: 750
• Tiber County Water DistrictMT0000400 · CWS · Population served: 750
• Montana State Hospital ComplexMT0004805 · CWS · Population served: 721
• Town of FairfieldMT0000212 · CWS · Population served: 718
• North Star PudMT0004264 · CWS · Population served: 715
• Town of CulbertsonMT0000192 · CWS · Population served: 714
• Travois Village Mobile ParkMT0003909 · CWS · Population served: 702
• Gardiner Park Co Water DistMT0000224 · CWS · Population served: 700
• Town of St IgnatiusMT0001740 · CWS · Population served: 700
• Woods Bay Water And Sewer DistrictMT0004698 · CWS · Population served: 685
• Elk Grove WaterMT0004248 · CWS · Population served: 672
• Genesis Business ParkMT0004178 · CWS · Population served: 670
• Fort Peck Rural County Water DistrictMT0004177 · CWS · Population served: 663
• Town of CascadeMT0000171 · CWS · Population served: 650
• Hillside VillageMT0003808 · CWS · Population served: 650
• St Labre Indian SchoolMT0000018 · CWS · Population served: 650
• Bedrockbabb Water System083090004 · CWS · Population served: 645
• Town of CircleMT0000176 · CWS · Population served: 644
• Town of SheridanMT0000329 · CWS · Population served: 632
• Greenfield Mobile Home ParkMT0000373 · CWS · Population served: 620
• Town of Big SandyMT0000150 · CWS · Population served: 608
• Town of BeltMT0000138 · CWS · Population served: 600
• Cherry Creek Estates LLCMT0004392 · CWS · Population served: 600
• Countryside Village Mhp Grt FlsMT0004830 · CWS · Population served: 600
• Hot Springs Municipal WaterMT0000251 · CWS · Population served: 600
• Town of JolietMT0000256 · CWS · Population served: 600
• Town of Medicine LakeMT0000289 · CWS · Population served: 600
• Ptarmigan Village IncMT0000133 · CWS · Population served: 600
• Vaughn Cascade County Water And SewerMT0000352 · CWS · Population served: 585
• Town of WibauxMT0000361 · CWS · Population served: 550
• Busby Community Water System083090063 · CWS · Population served: 535
• Windsor EstatesMT0003807 · CWS · Population served: 530
• Two Buttes Water Users AssnMT0000580 · CWS · Population served: 525
• Wye Area Water SystemMT0004107 · CWS · Population served: 512
• Covered Wagon Mb Hm ParkMT0003810 · CWS · Population served: 500
• Gore Hill County Water DistMT0000232 · CWS · Population served: 500
• Headquarters ApgarMT0003176 · CWS · Population served: 500
• Highland Park Utilities AssnMT0000570 · CWS · Population served: 500
• Homestead Acres County Water And SewerMT0000526 · CWS · Population served: 500
• Missoula Koa & El Mar Tlr VillageMT0002517 · CWS · Population served: 499
• Town of FrombergMT0000222 · CWS · Population served: 498
• Town of AlbertonMT0000015 · CWS · Population served: 495
• Country Estates Water SupplyMT0002846 · CWS · Population served: 490
• Mchugh Mobile Home ParkMT0002917 · CWS · Population served: 490
• Treasure State Acres WuaMT0002390 · CWS · Population served: 483
• Custer Co Water And Sewer DistMT0003041 · CWS · Population served: 480
• Town of Lodge GrassMT0000277 · CWS · Population served: 480
• Cut Bank North Water DistrictMT0000619 · CWS · Population served: 478
• Flathead Co Water District No 8MT0000261 · CWS · Population served: 475
• Pryor Creek Water AssnMT0002956 · CWS · Population served: 475
• Tri County Water DistrictMT0002912 · CWS · Population served: 470
• Town of SunburstMT0000338 · CWS · Population served: 459
• Indian Springs Ranch SubMT0004611 · CWS · Population served: 455
• Frazer Water System083090053 · CWS · Population served: 452
• Town of ValierMT0000351 · CWS · Population served: 452
• Andesite Ridge Water SystemMT0004468 · CWS · Population served: 450
• Baxter Creek No 2 HOAMT0003323 · CWS · Population served: 450
• Town of BroadusMT0000166 · CWS · Population served: 450
• Consolidated Charlo Lake Co W And S DistMT0000172 · CWS · Population served: 450
• Coram County Water And Sewer DistrictMT0000189 · CWS · Population served: 450
• Fort Smith Water And Sewer DistrictMT0004765 · CWS · Population served: 450
• Town of FroidMT0000221 · CWS · Population served: 450
• Greenacres County Water And Sewer DistMT0001923 · CWS · Population served: 450
• North Valley County Water And Sewer DistMT0003595 · CWS · Population served: 450
• Wilderness Club TheMT0004748 · CWS · Population served: 440
• Bushard Water CompanyMT0005164 · CWS · Population served: 425
• Town of StanfordMT0000334 · CWS · Population served: 425
• Town of Twin BridgesMT0000349 · CWS · Population served: 424
• Meadow ManorMT0004397 · CWS · Population served: 410
• Pryor Water System083090012 · CWS · Population served: 406
• La Casa Grande Water And Sewer DistrictMT0001924 · CWS · Population served: 404
• Ashland Water And Sewer DistMT0000458 · CWS · Population served: 400
• Eagleman Community Water083090074 · CWS · Population served: 400
• Town of EkalakaMT0000206 · CWS · Population served: 400
• Golden Estates Homeowners AssociationMT0004187 · CWS · Population served: 400
• Heart Butte Water System083090005 · CWS · Population served: 400
• Highwood Mobile Home ParkMT0004681 · CWS · Population served: 400
• Round Butte Water CompanyMT0000320 · CWS · Population served: 400
• Skyview Water And Sewer UtilityMT0004039 · CWS · Population served: 400
• Wylie Creek Estates SubdivisionMT0003961 · CWS · Population served: 400
• Forest Acres Tr Pk WhitefishMT0000064 · CWS · Population served: 390