EPA EXPORT · 13 SEP 2026FEDERAL COMPLIANCE RECORDS · NOT A HOME WATER TEST
TAP WATERLEDGERPublic system compliance records

COUNTY WATER-SYSTEM LEDGER

Adams, Colorado

Compare active community water systems serving this county in EPA's public export. Systems can serve multiple places, so population totals may overlap.

Systems12active CWS · pop. 2,500+
Population served676,030reported total; may overlap
Current violation flag8.3%1 systems
Serious-violator flag0.0%0 systems

01 / SYSTEMS

Water systems serving Adams

Ordered by reported population served. Open any record for separate health, monitoring, notice, other, and serious-violator flags.

Water systemPopulation servedPrimary sourceCurrent export status
Thornton City OfCO0101150226,465Surface waterNo current violation flagged
Westminster City OfCO0101170202,078Surface waterNo current violation flagged
South Adams County WsdCO010114075,559Surface water purchasedNo current violation flagged
Brighton City OfCO010102556,304Surface water purchasedNo current violation flagged
Northglenn City OfCO010111548,927Surface waterNo current violation flagged
Crestview WsdCO010104023,756Surface water purchasedNo current violation flagged
North Washington Street WsdCO010110514,500Surface water purchasedNo current violation flagged
Federal Heights City OfCO010105511,678Surface water purchasedNo current violation flagged
Todd Creek Village MdCO01011577,363Groundwater under influence of surface waterNo current violation flagged
Bennett Town OfCO01010204,400Ground waterNo current violation flagged
North Pecos WsdCO01165532,500Surface water purchasedNo current violation flagged
Wikiup MhpCO01011802,500Ground waterCurrent health-based flag

02 / SOURCE MIX

Surface water3 systems · 477,470 served
Surface water purchased6 systems · 184,297 served
Groundwater under influence of surface water1 systems · 7,363 served
Ground water2 systems · 6,900 served
How to read the population total

It is the sum of each listed system's reported population served, not a census estimate. Service areas can overlap and some systems list multiple cities or counties.