Water quality for ZIP code 80023
ZIP 80023 covers Broomfield, Thornton, and Westminster in Broomfield County, Colorado, one of 2 ZIP codes in the county. 3 active public water systems serve the county; 2 had an EPA violation in the past three years.
Most likely your provider
Your location is within the outer bounds of this system's EPA service area.
Other community water systems in Broomfield County
2 systems, largest first| System | Serves | Status | Rules violated, 3 yr |
|---|---|---|---|
| Front Range |
1,620 | 2 | |
| Cimarron Village |
1,010 | 0 |
About this data
Water systems are matched to Broomfield County, the county this ZIP code lies in, largest first. Your exact provider depends on your address and connection; the largest community water system in a county is usually the city or town utility.
ZIP code areas and town boundaries come from the U.S. Census Bureau's 2020 ZCTA files.
Source: the U.S. EPA's Enforcement and Compliance History Online system (ECHO), which publishes the federal Safe Drinking Water Information System. EPA's terms and values are shown as published. The Colorado records are from EPA's data refresh of Oct 7, 2026; EPA refreshes this data quarterly, and states report to EPA with a lag of three to six months, so the newest violations may not appear yet. Retrieved from ECHO on Oct 11, 2026.