All Montana water systems
Every Montana community water system on Lead Pipe Map (296), A to Z, with its lead and galvanized line count. Open a system for its full inventory, lead tests and violations.
A
- Absarokee Water and Sewer Dist 1 lead/galv.
- Alpine Pacific Utilities 152 unknown
- Alpine Village Wua 17 unknown
- Anaconda Water Department no lead
- Arlee 37 unknown
- Ashland Community Water System 31 unknown
- Assiniboine & Sioux Rural Water System 619 unknown
B
- Basin County Water and Sewer Dist 1 lead/galv.
- Baxter Creek No 2 HOA 122 unknown
- Bearcreek Municipal Water Sys 7 lead/galv.
- Bedrockbabb Water System 42 unknown
- Belgrade Trailer Court 1 lead/galv.
- Big Mountain Water Company 78 unknown
- Big Sky County Water and Sewer Dist 363 794 unknown
- Big Sky Mobile Manor 23 unknown
- Bigfork County Water and Sewer 2 lead/galv.
- Billings Heights Co Water Dist of no lead
- Birney Village 26 unknown
- Bitterroot Meadows HOA Lolo 36 unknown
- Black Eagle Cascade County Water Sewer 1 lead/galv.
- Blackfoot Water System 37 unknown
- Blue Cloud Subdivision 1 unknown
- Broadwater Estates HOA 8 unknown
- Brook Drive Water Assn 1 unknown
- Busby Community Water System 41 unknown
- Butte Silverbow Water Dept 556 lead/galv.
- Buzz Inn 13 lead/galv.
C
- C & C Community INC 69 unknown
- C and D HOA 46 unknown
- Camelot HOA 1 lead/galv.
- Camp Creek Wua INC 1 unknown
- Cinnabar the 4 unknown
- Circle H Water INC 86 unknown
- City of Baker 1 lead/galv.
- City of Belgrade 25 lead/galv.
- City of Big Timber no lead
- City of Billings 150 lead/galv.
- City of Boulder 290 unknown
- City of Bozeman 3 lead/galv.
- City of Chinook 3 lead/galv.
- City of Choteau 1 lead/galv.
- City of Colstrip 52 unknown
- City of Columbia Falls 7 unknown
- City of Cut Bank 3 lead/galv.
- City of Deer Lodge 10 lead/galv.
- City of Dillon 4 lead/galv.
- City of East Helena 141 lead/galv.
- City of Forsyth 10 lead/galv.
- City of Fort Benton 29 lead/galv.
- City of Glasgow 28 lead/galv.
- City of Glendive 2 lead/galv.
- City of Great Falls 738 lead/galv.
- City of Hamilton 69 lead/galv.
- City of Hardin 29 lead/galv.
- City of Harlem 2 unknown
- City of Harlowton 82 lead/galv.
- City of Havre 140 lead/galv.
- City of Lewistown 37 lead/galv.
- City of Libby 3 unknown
- City of Livingston 170 lead/galv.
- City of Malta 33 lead/galv.
- City of Miles City no lead
- City of Polson 1,876 unknown
- City of Poplar 64 unknown
- City of Ronan 463 unknown
- City of Scobey 3 unknown
- City of Shelby 7 lead/galv.
- City of Sidney 1 lead/galv.
- City of Thompson Falls 8 lead/galv.
- City of Three Forks 66 lead/galv.
- City of Townsend 8 lead/galv.
- City of Troy no lead
- City of White Sulphur Springs 36 lead/galv.
- City of Whitefish 1,874 unknown
- City of Wolf Point 26 lead/galv.
- Clarice Paul Water System 14 unknown
- Clyde Park Water Dept 69 unknown
- Conrad Water Dept no lead
- Cooke City Water District 1 lead/galv.
- Country Court Community INC 2 lead/galv.
- Country Lake Homes Whitefish 9 unknown
- Crow Agency Water System no lead
- Custer Co Water and Sewer Dist 226 unknown
D
- Davis Meadow Village 74 unknown
- Dayton Water System 10 unknown
- Devon Water INC 4 unknown
- District Court LLC 12 unknown
- Dixon (Old Agency) 26 unknown
- Dry Prairie Rural Water Authority not reported
- Dry Redwater Regional Water Authority 18 unknown
- Duck Creek Mobile Home Park 29 unknown
E
- Eastgate Village Sewer and Water no lead
- Eastwood Mobile Home Court 1 unknown
- El Mar Estates Msla Co Water no lead
- Elmo Water System 73 unknown
- Emerald Heights HOA Water & Sewer Dist 4 unknown
- Emkayan Village Co Water and Sewer Dist 6 unknown
- Evaro Water System 19 unknown
F
- Fairmont Hot Springs Resort no lead
- Fallon County Water District 6 unknown
- Flathead Co Water District No 8 102 unknown
- Flathead County Water and Sewer 5 lead/galv.
- Flathead County Water Dist 101 98 unknown
- Forest Park Water Rsid 24 no lead
- Forest View HOA 29 unknown
- Fort Belknap Agency Water System 480 unknown
- Fort Peck Rural County Water District 1 lead/galv.
- Fox Hill Estates 6 unknown
- Fox Water Service Incorporated 2 unknown
- Frazer Water System 110 unknown
G
- Galata County Water District 49 unknown
- Gallatin Village Mob HM Park 35 lead/galv.
- Gardiner Park Co Water Dist 159 unknown
- Geyser Judith Basin Cty Water Sewer Dist 55 unknown
- Go 2 U Water Delivery 1 unknown
- Golden Eagle Water Users Assn 7 unknown
- Grant Creek Water Users Association INC 153 unknown
- Grass Land Estates 24 unknown
- Gray Wolf Village 13 unknown
- Grinell Estates HOA 20 unknown
H
- Halfmoon Meadows HOA 37 unknown
- Happy Valley Water Dist B KSPL 44 unknown
- Hays/White Cow Canyon WS 194 unknown
- Heart Butte School 20 unknown
- Heart Butte Water System 113 unknown
- Hebgen Lake Estates Co Water Sewer Distr 16 unknown
- Helena Leisure LLC no lead
- Helena RV and Mobile Home Park 38 unknown
- Helena Water System 214 unknown
- Heron Community Water System 21 unknown
- Hidden Heights HOA 24 unknown
- Hidden Lake Yellowstone County W and S D 3 unknown
- Hideaway TR PK Columbia Falls 30 unknown
- Highwood County Water and Sewer District 8 lead/galv.
- Hildreth Subdivision No 2 32 unknown
- Hill County Water Districts no lead
- Hillcrest Community Water 15 unknown
- Hillside Village 4 lead/galv.
- Hinsdale Water Department 1 lead/galv.
- Homestead Valley Wua Hvha 1 lead/galv.
- Hot Springs Municipal Water 376 unknown
- Houle Villa Water System 19 unknown
- Hungry Horse Co Water and Sewer District 1 lead/galv.
K
- Kalispell Public Works 54 lead/galv.
- Keller Subdivision No 2 HOA 4 unknown
- King Ranch Subdivision 28 unknown
L
- Lakeshore Heights HOA 8 unknown
- Lakeside Water System no lead
- Lambert Sewer and Water Assn 52 unknown
- Lame Deer Water System 450 unknown
- Laurel Municipal Water System 9 lead/galv.
- Lion Mountain Homeowners Assoc 28 unknown
- Lockwood Water and Sewer District 1,355 unknown
- Lolo Water and Sewer Dist no lead
- Loma County Water District 16 unknown
M
- Malmstrom Air Force Base no lead
- Meadow Hills Water and Sewer District 8 unknown
- Meadow Lake Co Water and Sewer District 25 unknown
- Meadowland HOA 20 unknown
- Mission Dam Water System 36 unknown
- Mission Mountain View HOA 21 unknown
- Missoula Water no lead
- Mnihnapa Water System 92 unknown
- Montana State Hospital Complex 1 lead/galv.
- Montana State Prison 9 unknown
- Morning Star 1 lead/galv.
- Mountain View MB HM PK 1 unknown
- Mountain Villa Apts Kalispell 1 lead/galv.
- Mt Ellis Academy 17 unknown
- Musselshell Community County WSD 10 unknown
N
- Nine Mile Co Water and Sewer District 8 unknown
- North Baker Water and Or Sewer Dist 5 unknown
- North Star PUD 1 unknown
- North Star Zoot Water 17 unknown
- North Valley County Water and Sewer Dist 306 unknown
- Northfork TR CT Columbia Falls 7 lead/galv.
- Northwoods Water System Coop INC 7 unknown
- Noxon Water District 2 unknown
O
- Old Hays 30 unknown
P
- Pablo Lake County Water and Sewer Dist no lead
- Pache Water System 71 unknown
- Pebble Gardens Mobile Home CT 26 unknown
- Pele Park 1 unknown
- Piegan Border Station 27 unknown
- Pine Crest TR PK 12 unknown
- Pioneer Water Service 1 unknown
- Pleasant Grove Manufactured Home Sites 27 lead/galv.
- Pleasant Hill Estates HOA 1 unknown
- Pleasant Park Community INC 28 lead/galv.
- Pleasant View Homesites W and S District 30 unknown
- Plentywood Water Department 21 lead/galv.
- Ponderosa Homeowners Assn INC 74 unknown
- Power Teton County Water Dist 4 lead/galv.
- Prairie Water Company no lead
- Pryor Creek Water Assn 12 unknown
- Pryor Water System 56 unknown
- Ptarmigan Village INC 3 unknown
Q
- Quail Ridge 8 unknown
R
- Rae Water and Sewer Dist 313 no lead
- Red Lodge Water Dept 42 lead/galv.
- Richland Co Valley View Wua 14 unknown
- Ridgewood Estates 2 unknown
- River Rock County Water and Sewer Dist no lead
- Roberts Wua Carbon Co Water and Sewer 136 unknown
- Rocky Boy Agency Water System no lead
- Rocky Boy'S Rural Water no lead
- Rosewood Acres 1 unknown
- Roundup Water Department 2 lead/galv.
S
- Salish Shores Trade Winds Comm Village 46 unknown
- Schley Water System 31 unknown
- Seeley Lake Water District 13 unknown
- Seville Water System 53 unknown
- Shelter Bay Estates 5 unknown
- Skyline TR CT and RV Park 15 unknown
- Skyview Park 27 unknown
- Sleeping Giant Community INC 22 unknown
- Spirit Hills Subdivision 4 unknown
- Spring Creek MHP 33 unknown
- Springvale Subdivision 60 unknown
- St Ignatius (Mission) So.Side 116 unknown
- St Mary Headquarters and CG 1 lead/galv.
- Starr School Water System 40 unknown
- Stillwater Water District 16 unknown
- Stockett Water and Sewer Dist 49 unknown
- Sun Prairie Village County no lead
- Sunhaven Mobile Home Park 23 unknown
- Sunrise Terrace No 1 HOA 29 unknown
- Sunrise Terrace Subd No 2 3 unknown
- Sweetgrass Water Users Assn 70 unknown
T
- Tamarack Court 42 unknown
- Tamarack Woods HOA Lakeside 13 unknown
- Town of Bainville 1 unknown
- Town of Belt 25 lead/galv.
- Town of Big Sandy 2 lead/galv.
- Town of Bridger 423 unknown
- Town of Broadus 2 unknown
- Town of Brockton 3 unknown
- Town of Browning 2,108 unknown
- Town of Cascade 112 lead/galv.
- Town of Chester 6 lead/galv.
- Town of Circle 2 lead/galv.
- Town of Columbus 31 lead/galv.
- Town of Darby 2 unknown
- Town of Denton 27 lead/galv.
- Town of Dixon 77 unknown
- Town of Dutton 33 unknown
- Town of Ennis 5 unknown
- Town of Eureka 114 lead/galv.
- Town of Fairfield 18 lead/galv.
- Town of Fairview 16 lead/galv.
- Town of Fort Peck 6 unknown
- Town of Fromberg 12 lead/galv.
- Town of Geraldine 1 lead/galv.
- Town of Hysham 5 lead/galv.
- Town of Joliet 271 unknown
- Town of Jordan 268 unknown
- Town of Judith Gap 22 unknown
- Town of Kevin 1 lead/galv.
- Town of Lima 2 unknown
- Town of Manhattan 7 lead/galv.
- Town of Medicine Lake 32 unknown
- Town of Moore 1 unknown
- Town of Nashua 1 lead/galv.
- Town of Neihart 2 unknown
- Town of Philipsburg no lead
- Town of Plains no lead
- Town of Plevna 6 lead/galv.
- Town of Rexford 70 unknown
- Town of Ryegate 5 lead/galv.
- Town of Sheridan 94 lead/galv.
- Town of St Ignatius 2 lead/galv.
- Town of Stanford 15 lead/galv.
- Town of Stevensville 2 lead/galv.
- Town of Sunburst 14 lead/galv.
- Town of Superior no lead
- Town of Twin Bridges 5 unknown
- Town of West Yellowstone 59 unknown
- Town of Westby 1 unknown
- Town of Whitehall 31 unknown
- Town of Wibaux 12 lead/galv.
- Town of Winnett 137 unknown
- Tracy Water Users Corp 15 lead/galv.
- Turtle Lake Water System 48 unknown
- Two Buttes Water Users Assn 30 unknown
- Two Medicine Water - East Glacier 362 unknown
V
- Va Medical Center Helena no lead
- Virginia City Water Dept 70 unknown
W
- West Valley Pines HOA INC 2 unknown
- Western Mobile Village Dillon 31 unknown
- Westview Mobile Home Park 382 unknown
- Wild Flower HOA the 47 unknown
- Wilsall Water District 2 unknown
- Woodcock Water System 33 unknown
- Wye Area Water System 205 unknown
- Wyola Water System 66 unknown
Y
- Yellowtail Dam GC System 1 lead/galv.
Source: EPA SDWIS service line inventory, 2026 Q3.