County · California
Glenn County, California: drinking water records
This overview covers 8 ZIP codes and 14 community water systems in Glenn 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 Orland CA1110001 | 8,298 | 420 | 0 | 0 | 0.8 ppb |
| Cal-Water Service Co.-Willows CA1110003 | 7,240 | 240 | 0 | 0 | 0 ppb |
| Butte City Community S.D. CA1100711 | 75 | 0 | 0 | 1 | 0 ppb |
| Cal-Water Service Co.-Hamilton City CA1110002 | 1,799 | 0 | 0 | 0 | 1.8 ppb |
| Del Oro Wc - Black Butte District CA1100404 | 277 | 0 | 0 | 0 | 1.1 ppb |
| Willows Mobile Home Community & RV Park CA1100237 | 261 | 0 | 0 | 0 | 0 ppb |
| Artois Community S.D. CA1100203 | 254 | 0 | 0 | 0 | 0 ppb |
| Elk Creek Community S.D. CA1100616 | 212 | 0 | 0 | 0 | 0 ppb |
| The Oaks Mobile Home Park AZ0411062 | 180 | 0 | 0 | 0 | 3.3 ppb |
| Orland Mobile H.P. CA1100445 | 178 | 0 | 0 | 0 | 0 ppb |
| Suncrest MHP NC0111148 | 65 | 0 | 0 | 0 | 0 ppb |
| Palisades, the CA1100452 | 62 | 0 | 0 | 0 | 0 ppb |
| Country Leisure Mobile Estates CA1100413 | 40 | 0 | 0 | 0 | 0 ppb |
| Segura'S RV Park LLC CA1100254 | 27 | 0 | 0 | 0 | 3 ppb |
ZIP reports in Glenn 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: 95943.
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.