Documents from the US EPA’s Enforcement and Compliance History Online website show the City of Norman has remained in serious violation of the Clean Water Act for 10 of the past 12 fiscal quarters.
Significant non-compliance was found for total suspended solids as well as nitrogen and ammonia.
ECHO’s effluent charts show non-compliance in other areas such as PCBs as well as various heavy metals including lead, chromium, mercury, and arsenic.
According to Detailed Facility reports, the Norman waste water treatment plant was last inspected on October 20, 2016. Over the last 5 years, the City of Norman has received no penalties from Oklahoma state agencies leading the formal enforcement actions.
Discharges from the Norman WWTP flow to the Canadian River and Bishop Creek watersheds. The Canadian River is a critical habitat and nesting ground for endangered species such as the Interior Least Tern.