Skip to content
AquaCensus

Lewis and Clark County, Montana — public water systems

163 active public water systems serve Lewis and Clark County, reporting 68K people served.

Dataset updated . Source: EPA SDWIS/ECHO, refreshed quarterly.

Active systems

163

Population served

68K

Community systems

55

Groundwater share

92.6%

Water systems in Lewis and Clark County

Active public water systems in Lewis and Clark County, Montana
#Water systemCountyPopulation servedTypeSource
1Helena Water SystemLewis and Clark32,091CommunitySurface water
2East Helena City ofLewis and Clark2,114CommunityGroundwater
3Eastgate Village Sewer and WaterLewis and Clark2,000CommunityGroundwater
4Va Medical Center HelenaLewis and Clark1,275CommunityPurchased surface water
5Helena Leisure LLCLewis and Clark1,200CommunityGroundwater
6Bobs Valley Service Inc.Lewis and Clark1,032Non-transient non-communityGroundwater
7Daves Express LubeLewis and Clark966Transient non-communityGroundwater
8Mountain View Coop LincolnLewis and Clark950Transient non-communityGroundwater
9Dearborn N Craig Rest StopLewis and Clark808Transient non-communityGroundwater
10Big Sky Food and Fuel Inc.Lewis and Clark770Transient non-communityGroundwater
11Ten Mile and Pleasant Valley WuaLewis and Clark750CommunityGroundwater
12North Star PUDLewis and Clark715CommunityGroundwater
13White Sandy CampgroundLewis and Clark600Transient non-communityGroundwater
14Fort Harrison Military ComplexLewis and Clark580Non-transient non-communityPurchased surface water
15Jim Darcy School District No 1Lewis and Clark575Non-transient non-communityGroundwater
16Rossiter School District 01Lewis and Clark550Non-transient non-communityGroundwater
17T and T SubdivisionLewis and Clark531Transient non-communityGroundwater
18Our Lady of the Valley Catholic ChurchLewis and Clark502Transient non-communityGroundwater
19Devils Elbow Rec SiteLewis and Clark501Transient non-communityGroundwater
20Mchugh Mobile Home ParkLewis and Clark490CommunityGroundwater
21Treasure State Acres WuaLewis and Clark483CommunityGroundwater
22Green Meadow Country ClubLewis and Clark471Non-transient non-communityGroundwater
23Grubstake Lounge and RestaurantLewis and Clark470Transient non-communityGroundwater
24Anderson Stevenson Wilke Funeral HomeLewis and Clark411Transient non-communityGroundwater
25La Casa Grande Water and Sewer DistrictLewis and Clark404CommunityGroundwater
26Golden Estates Homeowners AssociationLewis and Clark400CommunityGroundwater
27Skyview Water and Sewer UtilityLewis and Clark400CommunityGroundwater
28Great Divide Ski AreaLewis and Clark364Transient non-communityGroundwater
29Holter Lake Rec Site Cg No 15 BlmLewis and Clark352Transient non-communityGroundwater
30Warren School District No 1Lewis and Clark350Non-transient non-communityGroundwater
31Eastgate School District 09Lewis and Clark342Non-transient non-communityGroundwater
32Last Chance ChapelLewis and Clark313Transient non-communityGroundwater
33Log Gulch Recreation Site BlmLewis and Clark306Transient non-communityGroundwater
34Kims Marina and ResortLewis and Clark300Transient non-communityGroundwater
35Mobile City Home Park No 2Lewis and Clark300CommunityGroundwater
36Holter Dam Cg BlmLewis and Clark300Transient non-communityGroundwater
37Lincoln School District No 38Lewis and Clark300Non-transient non-communityGroundwater
38Canyon Ferry Road Baptist ChurchLewis and Clark292Non-transient non-communityGroundwater
39Gates of the Mountains Inc.Lewis and Clark251Transient non-communityGroundwater
40Helena Rv and Mobile Home ParkLewis and Clark250CommunityGroundwater
41Ranchview Estates WuaLewis and Clark250CommunityGroundwater
42Clark'S Bay Rec SiteLewis and Clark250Transient non-communityGroundwater
43Spring Meadow Lake State ParkLewis and Clark250Transient non-communityGroundwater
44Red Fox Supper ClubLewis and Clark245Transient non-communityGroundwater
45Grass Land EstatesLewis and Clark228CommunityGroundwater
46Golden Estates Trailer CourtLewis and Clark225CommunityGroundwater
47Holmberg Village EstatesLewis and Clark225CommunityGroundwater
48Sun Canyon LodgeLewis and Clark210Transient non-communityGroundwater
49Glacier Point Ho and WuaLewis and Clark210CommunityGroundwater
50Lazy I Public House, LLC Dba Lazy I BeerLewis and Clark205Transient non-communityGroundwater