County · Colorado
Prowers County, Colorado: drinking water records
This overview covers 4 ZIP codes and 11 community water systems in Prowers County. It also stands in for 0 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 |
|---|---|---|---|---|---|
| Lamar City of CO0150700 | 7,500 | 60 | 2 | 0 | 4 ppb |
| May Valley Wa CO0150800 | 1,500 | 0 | 0 | 308 | 2 ppb |
| Holly Town of CO0150600 | 800 | 0 | 0 | 24 | 0 ppb |
| Granada Town of CO0150300 | 515 | 0 | 0 | 10 | 4 ppb |
| Granada Rural Water Authority CO0150400 | 378 | 0 | 0 | 6 | 0 ppb |
| Country Acres MHP (La Salle County) IL0995365 | 222 | 0 | 0 | 16 | 7.3 ppb |
| Bristol WSD CO0150200 | 151 | 0 | 0 | 7 | 0 ppb |
| A and B Wa INC CO0150100 | 100 | 0 | 0 | 11 | 0 ppb |
| Hartman Town of CO0150500 | 61 | 0 | 0 | 6 | 0 ppb |
| Wiley Town of CO0150900 | 405 | 0 | 0 | 0 | 2 ppb |
| Prosperity Lane Wa CO0150850 | 260 | 0 | 0 | 0 | 0 ppb |
ZIP reports in Prowers County
No ZIP report in this county is published yet.
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.