EPA SDWIS Compliance Records
Drinking Water Compliance Report for Oklahoma City, OK
5 public water systems serve Oklahoma City — real federal compliance history, not a marketing claim.
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Water systems serving this city
44
Total compliance records on file
2
Health-based violations
What this means for your tap water: a "health-based" violation means a system exceeded an actual contaminant safety threshold at some point — different from a paperwork or reporting violation, which is far more common and far less concerning. Oklahoma City's systems average 0.6 health-based violations each, ranking about middle-of-the-pack (#9 of 20 we track). Which specific system serves your address determines whether that history applies to you — check the list below rather than assuming.
Systems Serving Oklahoma City
OKLAHOMA CITY
644,000 people servedNo violations on record.
OKLAHOMA CITY DRAPER
276,000 people servedNo violations on record.
OKLAHOMA CITY OVERHOLSER
46,000 people servedNo violations on record.
TINKER AIR FORCE BASE
24,645 people served10 violations on record, including health-based violations.
- July 1993 — MCL(health-based)— resolved
- August 2022 — MR
- August 2022 — MR
- January 2021 — MR
- January 2021 — MR
FALLS CREEK BAPTIST CONFERENCE CENTER
7,000 people served34 violations on record, including health-based violations.
- June 1981 — MR— resolved
- September 1999 — MR— resolved
- June 1993 — MR— resolved
- May 1981 — MR— resolved
- October 1980 — MR— resolved
Source: EPA Safe Drinking Water Information System (SDWIS), via Envirofacts. Water-system-level records, not address-specific — homes on private wells or served by a different system than listed here aren't reflected. A resolved violation means the system returned to compliance; it doesn't mean water quality is currently at risk.
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