OKLAHOMA CITY, OK · Oklahoma County
OKLAHOMA CITY Water System
Consumer Confidence Report status
OKLAHOMA CITY must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.
As of August 1, 2026, EPA's federal records show no open violations for OKLAHOMA CITY.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 2026. This is a record-keeping and public-information tool — it does not replace Oklahoma’s official records. Always confirm current status with Oklahoma before making decisions based on this information.
System facts
- System ID (PWSID)
- OK1020902
- System type
- Community Water System
- Population served
- 644,000
- Service connections
- 254,388
- Ownership
- local government
- Water source
- surface water (rivers, lakes, or reservoirs)
OKLAHOMA CITY is the largest community water system in Oklahoma, serving 644,000 people from surface water.
As of August 1, 2026, EPA's published records contain no violations for this system.
Violation history
No violations on record for this system.
Enforcement actions
- February 20, 2015State Compliance achieved2 linked violations
- February 20, 2015State Compliance achieved2 linked violations
- August 29, 2013State Compliance achieved1 linked violation
- April 3, 2013State Public Notification requested1 linked violation
- September 7, 2012State Public Notification requested1 linked violation
- September 7, 2012State Violation/Reminder Notice1 linked violation
- July 31, 2012State Compliance achieved1 linked violation
- July 1, 2012State Public Notification received1 linked violation
- January 19, 2009Federal Compliance achieved2 linked violations
- December 7, 2008Federal Violation/Reminder Notice2 linked violations
- April 26, 2002State Public Notification received1 linked violation
Common questions
Is OKLAHOMA CITY required to publish a Consumer Confidence Report?
- Yes. OKLAHOMA CITY is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is OKLAHOMA CITY’s next Consumer Confidence Report due?
- OKLAHOMA CITY’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does OKLAHOMA CITY have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for OKLAHOMA CITY.
What is a Consumer Confidence Report?
- A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.
Contact
OKLAHOMA CITY
405-297-3731
OKLAHOMA CITY, OK 73102