County · Oklahoma
Canadian County, Oklahoma: drinking water records
This overview covers 8 ZIP codes and 13 community water systems in Canadian 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 |
|---|---|---|---|---|---|
| Mustang, City of OK2000922 | 18,576 | 180 | 0 | 2 | 0.2 ppb |
| El Reno OK2000902 | 16,212 | 120 | 0 | 11 | 2 ppb |
| Piedmont Municipal Authority OK2000909 | 7,542 | 240 | 3 | 4 | 0 ppb |
| Yukon OK2000910 | 22,498 | 120 | 0 | 0 | 0 ppb |
| Canadian Co Water Authority OK3000903 | 1,700 | 0 | 0 | 1 | 0 ppb |
| Canadian Co Rwd # 1 OK2000908 | 750 | 0 | 0 | 37 | 0 ppb |
| Union City OK3000909 | 618 | 0 | 0 | 18 | 0 ppb |
| Calumet OK2000904 | 600 | 0 | 0 | 3 | 1.2 ppb |
| Lake Forest MHP OK3005557 | 500 | 0 | 0 | 1 | 1 ppb |
| Canadian Co Rws & Swmd #5 OK3000901 | 316 | 0 | 0 | 7 | 3.2 ppb |
| Gordon'S Hollow HOA OK3000911 | 25 | 0 | 0 | 1 | 0 ppb |
| Canadian Co Rwd # 4 OK2000930 | 907 | 0 | 0 | 0 | 0 ppb |
| Blue Quail Estates OK2000907 | 350 | 0 | 0 | 0 | 0 ppb |
ZIP reports in Canadian 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.