Chlorite violations in Oklahoma
6 active public water systems in Oklahoma had a Chlorite violation in the past three years. What Chlorite is and why it matters.
Systems with a Chlorite violation
Latest quarter first, then largest first| System | Serves | Status | Rules violated, 3 yr | Unresolved |
|---|---|---|---|---|
|
Guthrie Logan County |
9,925 | 3 | 0 | |
|
Clinton Custer County |
8,883 | 8 | 1 | |
|
Perry Water & Light Dept Noble County |
5,230 | 8 | 1 | |
|
Checotah Pwa McIntosh County |
3,481 | 3 | 1 | |
|
Atoka Atoka County |
2,988 | 3 | 0 | |
|
Snyder Public Works Authority Kiowa County |
1,509 | 7 | 2 |
About this data
A system is counted once if any of its violations in the past three years involved Chlorite, including monitoring and reporting lapses. Rules violated and status in the table are for the whole system, not Chlorite alone.
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.