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Water providers in Adams County, Colorado

52 community water systems serve Adams County, Colorado. The largest is City of Thornton, which reports serving 226,465 people.

Who is my water provider?

Type a Colorado address, or use your location. This names the community water systems whose EPA service-area boundary contains that point.

52
community water systems
700,808
people served, summed from the systems' own reports (double-counts wholesale)
15
boundaries EPA modelled rather than traced
19
with no boundary on file

Blue is a boundary a utility or county traced; amber is one EPA modelled from census places. Click an area for the system. Systems with no boundary on file are in the table but not on the map.

Towns in Adams County

Each names the systems whose service area covers it.

Every community water system in Adams County

SystemServesSourceService areaWater district
City of Thornton 226,465 Surface water traced South Platte: Denver Gage to Greeley
City of Westminster 202,078 Surface water traced South Platte: Denver Gage to Greeley
South Adams County Water & Sanitation District 75,559 Purchased surface water traced South Platte: Denver Gage to Greeley
City of Brighton 56,304 Purchased surface water traced South Platte: Denver Gage to Greeley
City of Northglenn 48,927 Surface water traced South Platte: Denver Gage to Greeley
Crestview Water & Sanitation District 23,756 Purchased surface water traced Clear Creek
North Washington Street Water & Sanitation District 14,500 Purchased surface water traced Clear Creek
City of Federal Heights 11,678 Purchased surface water traced South Platte: Denver Gage to Greeley
Todd Creek Village Metropolitan District 7,363 Groundwater under the influence of surface water modelled South Platte: Denver Gage to Greeley
Town of Bennett 4,400 Groundwater traced South Platte: Greeley to Balzac
North Pecos Water & Sanitation District 2,500 Purchased surface water traced Clear Creek
Wikiup Mobile Home Park 1 open health-based 2,500 Groundwater none on file —
Eastern Adams Co Metropolitan District 2,485 Groundwater modelled South Platte: Greeley to Balzac
Strasburg Water & Sanitation District 2,050 Groundwater traced South Platte: Greeley to Balzac
Kimberly Hills Mobile Home Park 2,005 Purchased surface water traced South Platte: Denver Gage to Greeley
Pine Lakes Ranch 1,905 Purchased surface water none on file —
Friendly Village of Aurora Mobile Home Park 1,786 Purchased surface water none on file —
Hillcrest Village Mobile Home Park 1,505 Purchased surface water modelled South Platte: Denver Gage to Greeley
Greatrock North Water & Sanitation District 1,250 Groundwater traced South Platte: Greeley to Balzac
Denver Cascade Mobile Home Park 1,200 Purchased surface water traced South Platte: Denver Gage to Greeley
Holiday Hills Village 1,190 Purchased surface water none on file —
Casa Estates Mobile Home Park 1,117 Purchased surface water none on file —
Friendly Village of the Rockies 1 open health-based 1,046 Purchased surface water traced South Platte: Denver Gage to Greeley
Countryside Village of Denver 863 Purchased surface water none on file —
Mile High Water Company 700 Purchased surface water modelled Boulder Creek
Lamplighter Mobile Home Park 651 Purchased surface water traced South Platte: Denver Gage to Greeley
Franklin Mobile Home Park 513 Purchased surface water none on file —
Belleview Christian College 460 Groundwater none on file —
Hi Land Acres Water & Sanitation District 350 Groundwater traced South Platte: Denver Gage to Greeley
Green Acres Mobile Home Park 325 Groundwater modelled South Platte: Denver Gage to Greeley
Mountain View Wua 320 Groundwater none on file —
Cavanaugh Hills Water System 286 Groundwater modelled South Platte: Greeley to Balzac
Hazeltine Heights Water 261 Groundwater traced South Platte: Denver Gage to Greeley
Pioneer Mobile Home Park 250 Purchased surface water none on file —
Riverdale Peaks II Metropolitan District 209 Groundwater modelled South Platte: Denver Gage to Greeley
Barr Lake Rvp 204 Groundwater modelled South Platte: Denver Gage to Greeley
High Plains Wua 200 Groundwater modelled South Platte: Denver Gage to Greeley
Prairie View Property Owners Association 175 Groundwater modelled South Platte: Greeley to Balzac
Shady Lane Mobile Home Park 165 Purchased surface water none on file —
Creekside South Estates Metro District 160 Groundwater modelled South Platte: Denver Gage to Greeley
Estates at Bromley 150 Groundwater none on file —
Crestwood Estates 140 Groundwater none on file —
Commerce Heights 130 Purchased groundwater none on file —
Galambs Mobile Home and RV Park 130 Groundwater modelled South Platte: Greeley to Balzac
North Washington Wua 3 open health-based serious violator 90 Groundwater none on file —
Third Creek Wua 90 Groundwater modelled South Platte: Denver Gage to Greeley
Tucson Water Company 90 Groundwater modelled South Platte: Denver Gage to Greeley
Derby Village Mobile Home Park 81 Purchased groundwater none on file —
Brighton Village LLC 77 Purchased surface water none on file —
Hope Ditch Co 63 Groundwater modelled South Platte: Denver Gage to Greeley
Northside Village Mobile Home Park 55 Purchased surface water none on file —
Valley Vista Estates 51 Groundwater none on file —

Common questions

How many water providers are in Adams County, Colorado?

52 community water systems serve Adams County, Colorado. The largest is City of Thornton, which reports serving 226,465 people.

Who is my water provider in Adams County?

It depends on your address: 52 community systems serve parts of Adams County. Enter an address in the lookup on this page and it will name the systems whose EPA service-area boundary contains that point.

Why is a system in Adams County missing from the map?

19 of the 52 systems here have no service-area boundary in EPA's file, so they cannot be drawn. They are still in the table on this page, with their source and compliance record.

Nearby counties

Systems and counties from EPA SDWIS federal reporting, fetched 2026-09-08; boundaries from EPA's Community Water System Service Area Boundaries (v3, 2026). A county row here is the county SDWIS files for the system, which is where it serves customers, not necessarily where its intakes are. Report a problem →