The Oklahoma DEQ retroactively approved a one-time land application of biosolids for the Town of Depew Wastewater Treatment Facility under Authorization No. OKLAS2300002

• Site Size: 20.9 acres

• Location: Part of the NW¼, SW¼ of Section 6, Township 15 North, Range 8 East, Creek County, Oklahoma

• Application Period: December 2018 – January 2019

• Facility: Depew WWTF (Facility No. S-20716)

• Permit Basis: 40 C.F.R. Part 503 and Oklahoma Administrative Code 252:606

The authorization specifies:

• Metal ceiling concentration limits (e.g., Arsenic 75 mg/kg, Lead 840 mg/kg, Zinc 7500 mg/kg)

• Cumulative pollutant loading limits (e.g., Lead 300 kg/hectare, Zinc 2800 kg/hectare)

• Monitoring frequency based on annual sludge tonnage

• No runoff, no commingling, and no application within 10 meters of U.S. waters

Latitude: 35.7720° N
Longitude: -96.5185° W

35.7720, -96.5185