County · Arizona
Yuma County, Arizona: drinking water records
This overview covers 9 ZIP codes and 19 community water systems in Yuma County. It also stands in for 1 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 |
|---|---|---|---|---|---|
| City of Yuma AZ0414024 | 103,264 | 240 | 0 | 23 | 1.1 ppb |
| San Luis City of AZ0414005 | 39,705 | 360 | 0 | 3 | 1 ppb |
| Foothills Water and Sewer LLC AZ0414004 | 32,425 | 525 | 0 | 2 | 0 ppb |
| USMC Yuma Main System AZ0414082 | 8,353 | 120 | 1 | 2 | 3 ppb |
| Aspc Yuma AZ0414099 | 4,197 | 60 | 0 | 1 | 0.9 ppb |
| Somerton City of AZ0414015 | 14,197 | 60 | 0 | 0 | 1 ppb |
| Wellton Town of AZ0414022 | 3,000 | 0 | 0 | 56 | 0.5 ppb |
| Sierra Pacific Mobile Manor AZ0414098 | 816 | 0 | 0 | 18 | 0.5 ppb |
| Shepard Water Company AZ0414014 | 430 | 0 | 0 | 14 | 5.3 ppb |
| Fishers Landing Resort AZ0414039 | 402 | 0 | 0 | 7 | 0 ppb |
| Dateland Public Service Co AZ0414003 | 319 | 0 | 0 | 2 | 0 ppb |
| Sun Leisure Estates Improvement District AZ0414075 | 143 | 0 | 0 | 14 | 0 ppb |
| G & L Mobile Park AZ0414463 | 90 | 0 | 0 | 4 | 0 ppb |
| Mountain View Mobile Village AZ0414432 | 75 | 0 | 0 | 5 | 0 ppb |
| Jones Coop Water Assoc AZ0414070 | 35 | 0 | 0 | 18 | 12.6 ppb |
| Yuma West MHP AZ0414391 | 30 | 0 | 0 | 2 | 0 ppb |
| Howard Cantonment Area AZ0414403 | 1,500 | 0 | 0 | 0 | 1.1 ppb |
| Tacna Water Improvement District AZ0414515 | 500 | 0 | 0 | 0 | 0 ppb |
| Lost Traveler RV Park AZ0414095 | 200 | 0 | 0 | 5 | not reported |
ZIP reports in Yuma 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: 85347.
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.