Drinking Water Compliance OS

NORMAN, OK · Cleveland County

NORMAN UTILITIES AUTHORITY Water System

Current status

No open violations on record as of July 4, 2026.

This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 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)
OK1020801
System type
Community Water System
Population served
104,868
Service connections
42,751
Ownership
local government
Water source
surface water (rivers, lakes, or reservoirs)

Violation history

  • Monitoring, Regular

    Di(2-ethylhexyl) phthalate

    January 1, 2021 – March 31, 2021

    Resolved
  • Monitoring, Source Water (GWR)

    E. COLI

    January 1, 2015 – February 24, 2015

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Gross Alpha, Excl. Radon and U

    January 1, 2014 – March 31, 2014

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Gross Alpha, Excl. Radon and U

    July 1, 2013 – September 30, 2013

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Gross Alpha, Excl. Radon and U

    July 1, 2013 – September 30, 2013

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Gross Alpha, Excl. Radon and U

    October 1, 2012 – December 31, 2012

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Gross Alpha, Excl. Radon and U

    October 1, 2012 – December 31, 2012

    Resolved
  • Monitoring, Regular

    Nitrate-Nitrite

    October 1, 2009 – December 31, 2009

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Uranium

    October 1, 2005 – December 31, 2005

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Gross Alpha, Excl. Radon and U

    October 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Regular

    1,2-Dichloroethane

    January 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Regular

    1,2,4-Trichlorobenzene

    January 1, 2005 – December 31, 2005

    Resolved
  • Maximum Contaminant Level Violation, Single Sample

    Health-based

    Arsenic

    January 1, 2005 – December 31, 2007

    Resolved
  • Maximum Contaminant Level Violation, Single Sample

    Health-based

    Arsenic

    January 1, 2005 – December 31, 2007

    Resolved
  • Monitoring, Regular

    Carbon tetrachloride

    January 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Regular

    Nitrate-Nitrite

    January 1, 2004 – December 31, 2004

    Resolved

Resolved addressed and confirmed by the state

Enforcement actions

Contact

NORMAN UTILITIES AUTHORITY

405-321-2182

NORMAN, OK 73071