Apr 15, 2026 · 7 min read
PFAS "Forever Chemicals" in US Drinking Water: 2026 Update
PFAS contamination affects an estimated 200 million Americans. Here's what the latest EPA enforcement means for your tap water.
ZIP Code 80111 Water Quality
Colorado · 10,648 people served · 8 water systems
F
FailingZIP code 80111 is in Colorado and is a small city from a drinking-water-service perspective, with 10,648 people served by 8 EPA-registered public water systems. It overlaps with 2 communities including CENTENNIAL, GREENWOOD VILLAGE.
Within ZIP code 80111, the EPA Safe Drinking Water Information System (SDWIS) records 20 health-based violations during the past five years across 8 water systems serving this postal area. The grade of F reflects the aggregate compliance pattern, not the current daily water quality.
Last updated: 2026-05-18 · Source: EPA SDWIS
ZIP Code Location
Loading map...
Cities in ZIP 80111
Water Systems Serving 80111
JOINT WATER PURIFICATION PLANT
PWSID: CO0103418
0 served
WISE PROJECT
PWSID: CO0103843
0 served
NORTHERN DOUGLAS COUNTY WSD
PWSID: CO0118016
6,160 served
MT VERNON COUNTRY CLUB
PWSID: CO0130090
734 served
FOREST VIEW ACRES WD
PWSID: CO0121250
772 served
SOUTH SHERIDAN WATER AND SEWER DIST
PWSID: CO0130718
2,500 served
AVILLA EASTLAKE
PWSID: CO0101126
410 served
WESTERN INN MHP
PWSID: CO0110050
72 served
About ZIP-code water data
Postal-code level water quality data is built up from the underlying water systems — multiple ZIPs may share a single utility, and a single ZIP can span multiple utilities. For property-level information, contact the specific utility serving your address. EPA data on this page was last refreshed on 2026-05-18.
From the Blog
Photo by Bluewater Sweden on Unsplash
Mar 22, 2026 · 6 min read
How to Read Your Annual Water Quality Report (CCR)
Your water utility is legally required to send you a Consumer Confidence Report every year. Here's how to actually understand it.
Photo by Louis Hansel on Unsplash
Mar 5, 2026 · 9 min read
Lead in Tap Water: The Complete 2026 Guide
Lead enters drinking water through old pipes and fixtures. Here's how to identify your risk and what to do about it.
Photo by Eduardo Casajús Gorostiaga on Unsplash
Feb 18, 2026 · 5 min read
What Is an EPA Maximum Contaminant Level (MCL)?
MCLs are the foundation of US drinking water safety. Here's how they're set and what they mean for your tap.
Photo by Naja Bertolt Jensen on Unsplash
