Skip to content
AquaCensus

Boulder County, Colorado — public water systems

81 active public water systems serve Boulder County, reporting 428.4K people served.

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

Active systems

81

Population served

428.4K

Community systems

41

Groundwater share

53.1%

Water systems in Boulder County

Active public water systems in Boulder County, Colorado
#Water systemCountyPopulation servedTypeSource
1Boulder City ofBoulder166,080CommunitySurface water
2Longmont City ofBoulder102,866CommunitySurface water
3Erie Town ofBoulder40,061CommunitySurface water
4Lafayette City ofBoulder28,700CommunitySurface water
5Louisville City ofBoulder20,975CommunitySurface water
6Left Hand WdBoulder20,280CommunitySurface water
7Superior Md No 1Boulder17,900CommunitySurface water
8Longs Peak WdBoulder3,200CommunitySurface water
9Lyons Town ofBoulder2,990CommunityPurchased surface water
10Nederland Town ofBoulder2,406CommunitySurface water
11Eldora Mountain ResortBoulder2,400Non-transient non-communitySurface water
12Boulder Meadows MHPBoulder1,657CommunityPurchased surface water
13Pine Brook Hills WdBoulder1,100CommunitySurface water
14Mile Hi Water Inc. HaulerBoulder1,000CommunityPurchased surface water
15Arbordale Acres MHPBoulder901CommunityPurchased surface water
16Boulder Ridge MHPBoulder897CommunityPurchased surface water
17San Lazaro Mfctd Housing CommunityBoulder844CommunitySurface water
18Baseline WdBoulder820CommunityPurchased surface water
19Countryside of LongmontBoulder775CommunityPurchased surface water
20Vista Village MHPBoulder750CommunityPurchased surface water
21Pawnee CgBoulder740Transient non-communityGroundwater
22Fairview ConocoBoulder700Transient non-communityGroundwater
23Hoover Hills WsdBoulder662CommunityPurchased surface water
24St Vrain MHP LLCBoulder544CommunityPurchased surface water
25Eldora Mountain RestaurantBoulder510Transient non-communitySurface water
26Shannon WsdBoulder450CommunityGroundwater
27Kelly Dahl CgBoulder368Transient non-communityGroundwater
28Skylark Mobile Home CommunityBoulder342CommunityPurchased surface water
29Allenspark WsdBoulder340CommunitySurface water
30Camp Dick CgBoulder328Transient non-communityGroundwater
31Eldorado Municipal SystemBoulder308CommunityGroundwater
32East Boulder County WdBoulder300CommunityPurchased surface water
33Jamestown Town ofBoulder280CommunitySurface water
34Meeker Park LodgeBoulder270Transient non-communitySurface water
35Grand Meadow of Longmont MHPBoulder255CommunityPurchased surface water
36Jacobs CornerBoulder250Non-transient non-communityGroundwater under influence of surface water
37Wild Basin EsBoulder250Transient non-communityGroundwater
38Olde Stage WdBoulder250CommunityGroundwater
39Lefthand Wsd Lake PinesBoulder250CommunityPurchased surface water
40Ward Town ofBoulder230CommunityGroundwater
41Mountain View MHPBoulder211CommunityPurchased surface water
42Glacier View RanchBoulder210Transient non-communityGroundwater
43Lafayette GardensBoulder207CommunityPurchased surface water
44Colorado Mountain RanchBoulder205Transient non-communityPurchased surface water
45Eldorado Corner MarketBoulder204Transient non-communityGroundwater
46Girl Scouts Meadow Mtn RanchBoulder175Transient non-communityGroundwater
47Stone Mountain Lodge and CabinsBoulder160Transient non-communityGroundwater under influence of surface water
48Islamic Center of BoulderBoulder157Transient non-communityPurchased surface water
49Rock Creek Farm WsBoulder151Transient non-communityGroundwater
50Sans Souci MHPBoulder150CommunityGroundwater under influence of surface water