County · Colorado
Mesa County, Colorado: drinking water records
This overview covers 17 ZIP codes and 13 community water systems in Mesa County. It also stands in for 3 ZIP codes whose utility has too little EPA data for a page of its own.
System population figures are summed from EPA registry records and can overlap where wholesalers and retail systems serve the same people. They are not a Census county-population estimate.
Water systems with the most complete records
| Water system | People served | PFAS survey results | PFAS found | Health-based violations | Lead, 9 in 10 homes at or below |
|---|---|---|---|---|---|
| Clifton WD CO0139180 | 34,500 | 120 | 0 | 1 | 2.2 ppb |
| Ute Wcd CO0139791 | 92,580 | 120 | 0 | 0 | 1.4 ppb |
| Grand Junction City of CO0139321 | 26,000 | 120 | 0 | 0 | 8.2 ppb |
| Debeque Town of CO0139205 | 911 | 0 | 0 | 3 | 1.4 ppb |
| Palisade Town of CO0139600 | 3,060 | 0 | 0 | 0 | 0.3 ppb |
| Midlands Village CO0139510 | 893 | 0 | 0 | 0 | 0 ppb |
| Candlewood Park CO0139166 | 800 | 0 | 0 | 0 | 0.8 ppb |
| Collbran Town of CO0139185 | 678 | 0 | 0 | 0 | 0 ppb |
| Kannah Creek CO0139434 | 435 | 0 | 0 | 0 | 1.4 ppb |
| Gateway Canyons Ws CO0139220 | 370 | 0 | 0 | 0 | 3.7 ppb |
| Mesa WSD CO0139505 | 330 | 0 | 0 | 0 | 3.5 ppb |
| Park Place MHP CO0139603 | 35 | 0 | 0 | 0 | 4.7 ppb |
| Little Park Water Coop CO0139475 | 51 | 0 | 0 | 0 | not reported |
ZIP reports in Mesa County
No ZIP report in this county is published yet.
These ZIP codes are covered by this overview because their utility has too little EPA data for a separate page: 81522, 81523, 81646.
Sources and scope
EPA UCMR 5 occurrence data, samples collected 2023-01-03 – 2026-06-17, final release, August 2026 (file dated Aug 28, 2026); EPA SDWIS via ECHO, 2026Q2 extract (file dated Jul 9, 2026); EPA service-area boundaries v3.0; Census 2020 ZCTAs. Page generated 2026-09-03.
Counts cover the systems that report this county to EPA. A water system may cross county lines. "Found" means at least one result at or above the laboratory reporting level; it is not a compliance finding.