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

COUNTY WATER-SYSTEM LEDGER

Jefferson, Colorado

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

Systems20active CWS · pop. 2,500+
Population served538,693reported total; may overlap
Current violation flag5.0%1 systems
Serious-violator flag0.0%0 systems

01 / SYSTEMS

Water systems serving Jefferson

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

Water systemPopulation servedPrimary sourceCurrent export status
Arvada City OfCO0130001171,610Surface waterNo current violation flagged
Consolidated Mutual Maple GroveCO013002081,400Surface waterNo current violation flagged
Green Mountain WsdCO013032149,400Surface water purchasedNo current violation flagged
Bancroft Clover WsdCO013013344,000Surface water purchasedNo current violation flagged
Golden City OfCO013004038,288Surface waterNo current violation flagged
Bear Creek WsdCO013013830,000Surface water purchasedNo current violation flagged
Wheat Ridge Water DistrictCO013084220,000Surface water purchasedNo current violation flagged
Evergreen MdCO013003015,750Surface waterNo current violation flagged
Ken Caryl WsdCO010307512,000Surface water purchasedNo current violation flagged
Lakehurst WsdCO013046612,000Surface water purchasedNo current violation flagged
North Table Mountain WsdCO013010510,000Surface waterNo current violation flagged
Valley WdCO013080010,000Surface water purchasedNo current violation flagged
Morrison Town OfCO01300859,887Surface waterNo current violation flagged
Willowbrook WsdCO01308439,348Surface water purchasedNo current violation flagged
Lakewood City OfCO01304676,000Surface water purchasedNo current violation flagged
Edgewater City OfCO01302375,300Surface water purchasedOther current violation flag
High View WdCO01303444,000Surface water purchasedNo current violation flagged
Genesee WsdCO01300353,920Surface waterNo current violation flagged
Meadowbrook WdCO01305003,290Surface water purchasedNo current violation flagged
South Sheridan Water And Sewer DistCO01307182,500Surface water purchasedNo current violation flagged

02 / SOURCE MIX

Surface water7 systems · 330,855 served
Surface water purchased13 systems · 207,838 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.