County · California
Fresno County, California: drinking water records
This overview covers 55 ZIP codes and 109 community water systems in Fresno 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 |
|---|---|---|---|---|---|
| City of Sanger CA1010029 | 26,357 | 570 | 4 | 1 | 0 ppb |
| Bakman Water Company CA1010001 | 17,393 | 390 | 0 | 1 | 0 ppb |
| City of Parlier CA1010025 | 14,576 | 240 | 0 | 1 | 0 ppb |
| Table Mountain Rancheria 090600154 | 10,675 | 120 | 0 | 6 | 5 ppb |
| City of Orange Cove CA1010023 | 9,525 | 120 | 0 | 1 | 0 ppb |
| Huron, City of CA1010044 | 9,306 | 120 | 0 | 23 | 0 ppb |
| Laton Community Services District CA1010020 | 1,151 | 180 | 3 | 1 | 0 ppb |
| City of Fresno CA1010007 | 545,716 | 10,151 | 10 | 0 | 0 ppb |
| City of Clovis CA1010003 | 130,130 | 2,340 | 10 | 0 | 0 ppb |
| California State University Fresno CA1010339 | 41,000 | 180 | 6 | 0 | 0 ppb |
| Cws - Selma CA1010024 | 26,517 | 480 | 0 | 0 | 0 ppb |
| Reedley, City of CA1010027 | 26,076 | 420 | 0 | 0 | 0 ppb |
| Coalinga-City CA1010004 | 17,277 | 120 | 0 | 0 | 0 ppb |
| Kerman, City of CA1010018 | 17,256 | 300 | 0 | 0 | 0 ppb |
| Pinedale County Water District CA1010026 | 16,736 | 300 | 8 | 0 | 2.9 ppb |
| Kingsburg, City of CA1010019 | 13,540 | 420 | 0 | 0 | 0 ppb |
| Mendota, City of CA1010021 | 11,404 | 60 | 0 | 0 | 0 ppb |
| Firebaugh City CA1010005 | 8,096 | 120 | 0 | 0 | 0 ppb |
| City of Fowler CA1010006 | 7,448 | 360 | 1 | 0 | 0 ppb |
| Malaga County Water District CA1010042 | 5,979 | 180 | 0 | 0 | 0 ppb |
| San Joaquin, City of CA1010034 | 4,060 | 180 | 0 | 0 | 0 ppb |
| Fcwwd 41/Shaver Lake CA1010017 | 2,722 | 0 | 0 | 1 | 9.5 ppb |
| Caruthers Comm Serv Dist CA1010039 | 2,613 | 0 | 0 | 22 | 0 ppb |
| Fcsa 34 - Millerton New Town CA1000484 | 1,117 | 0 | 0 | 17 | 1.2 ppb |
| Shaver Lake Heights Mwc CA1010053 | 836 | 0 | 0 | 1 | 2.8 ppb |
ZIP reports in Fresno 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: 93634, 93651, 93675.
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.