Gross Alpha, Excl. Radon and U violations in Oklahoma
109 active public water systems in Oklahoma had a Gross Alpha, Excl. Radon and U violation in the past three years. What Gross Alpha, Excl. Radon and U is and why it matters.
Systems with a Gross Alpha, Excl. Radon and U violation
Latest quarter first, then largest first| System | Serves | Status | Rules violated, 3 yr | Unresolved |
|---|---|---|---|---|
|
Canoe Mountain Water System Cherokee County |
37 | 12 | 2 | |
|
Rock Creek Logan County |
33 | 12 | 5 | |
|
Eastside MHP Grady County |
32 | 9 | 4 | |
|
Country Haven MHP Oklahoma County |
30 | 8 | 2 | |
|
Adair CO Rws & Swmd #6 Adair County |
27 | 3 | 0 | |
|
Grandview Village Delaware County |
24 | 5 | 0 | |
|
Skyview Mobile Home Park Grady County |
24 | 12 | 5 | |
|
Pecan Tree Water Assn Cleveland County |
22 | 8 | 3 | |
|
Foss Reservoir McD Custer County |
12 | 1 | 0 |
About this data
A system is counted once if any of its violations in the past three years involved Gross Alpha, Excl. Radon and U, including monitoring and reporting lapses. Rules violated and status in the table are for the whole system, not Gross Alpha, Excl. Radon and U 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.