Oklahoma
Canadian County drinking water quality
18 active public water systems serve 71,324 people in Canadian County. 1 are compliant, 17 had at least one EPA violation in the past three years, 0 are designated serious violators, and 1 carries a health flag.
Needs attention
Community water systems
13 systems, largest first| System | Serves | Status | Rules violated, 3 yr | Unresolved |
|---|---|---|---|---|
|
Yukon |
22,498 | 0 | 0 | |
|
Mustang, City of |
18,576 | 5 | 2 | |
|
EL Reno |
16,212 | 2 | 0 | |
|
Piedmont Municipal Authority |
7,542 | 6 | 1 | |
|
Canadian CO Water Authority |
1,700 | 1 | 0 | |
|
Canadian CO Rwd # 4 |
907 | 1 | 1 | |
|
Canadian CO Rwd # 1 |
750 | 3 | 0 | |
|
Union City |
618 | 2 | 0 | |
|
Calumet Pwa |
600 | 4 | 0 | |
|
Lake Forest MHP |
500 | 3 | 2 | |
|
Blue Quail Estates |
350 | 2 | 0 | |
|
Canadian CO Rws & Swmd #5 |
316 | 1 | 0 | |
|
Gordon's Hollow HOA |
25 | 5 | 0 |
Non-community systems (5: schools, campgrounds, workplaces, restaurants)
These systems serve places people visit rather than homes.
| System | Serves | Status | Rules violated, 3 yr | Unresolved |
|---|---|---|---|---|
|
United Pentecostal Church Okla. Dist. |
350 | 1 | 0 | |
|
United Methodist Canyon Camp |
300 | 1 | 0 | |
|
Savannah Station |
30 | 1 | 0 | |
|
Boilings Place |
25 | 1 | 0 | |
|
Express Ranches |
25 | 2 | 0 |
Inactive systems (77, no longer operating or reporting)
Kept for the record and excluded from the county totals above. Browse inactive systems.
About this data
Totals cover active systems. Systems serving more than one county are counted in each county. EPA counts the rules a system was in violation of, not the individual violations; one rule can carry several.
Source: the U.S. EPA's Enforcement and Compliance History Online system (ECHO), which publishes the federal Safe Drinking Water Information System. EPA's terms and values are shown as published. The Oklahoma records are from EPA's data refresh of Oct 7, 2026; EPA refreshes this data quarterly, and states report to EPA with a lag of three to six months, so the newest violations may not appear yet. Retrieved from ECHO on Oct 11, 2026.