Kingfisher PWA — NPDES permit OK0022811: limits, due date and EPA's record

NPDES permit OK0022811 · Minor POTW · effective, expires 2031-01-31 · EPA's file as of 2026-09-19

EPA's record, 2025-09-01 to 2026-08-31

Last period with anything received: 2026-07-31. Most often over: BOD, carbonaceous [5 day, 20 C] (1).

Reporting

Reports are due about 15 days after each monitoring period ends (the most common figure among OK permits in EPA's filings — check your permit).

Limits in force (21)

Outfall	Parameter	Statistic	Limit	Months
002	Oxygen, dissolved [DO]	MINIMUM	>= 6 mg/L	all year
002	pH	MINIMUM	>= 6.5 SU	all year
002	pH	MAXIMUM	<= 9 SU	all year
002	Solids, total suspended	MO AVG	<= 15 mg/L	all year
002	Solids, total suspended	WKLY AVG	<= 22.5 mg/L	all year
002	Solids, total suspended	MO AVG	<= 100.1 lb/d	all year
002	Nitrogen, ammonia total [as N]	MO AVG	<= 2 mg/L	all year
002	Nitrogen, ammonia total [as N]	WKLY AVG	<= 3 mg/L	all year
002	Nitrogen, ammonia total [as N]	MO AVG	<= 13.3 lb/d	all year
002	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
002	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
002	E. coli	GEO MEAN	<= 126 MPN/100mL	May, Jun, Jul, Aug, Sep
002	E. coli	GEO MEAN	<= 630 MPN/100mL	Jan, Feb, Mar, Apr, Oct, Nov, Dec
002	E. coli	DAILY MX	<= 406 MPN/100mL	May, Jun, Jul, Aug, Sep
002	E. coli	DAILY MX	<= 2030 MPN/100mL	Jan, Feb, Mar, Apr, Oct, Nov, Dec
002	BOD, carbonaceous [5 day, 20 C]	MO AVG	<= 13 mg/L	Jan, Feb, Mar, Apr, May, Nov, Dec
002	BOD, carbonaceous [5 day, 20 C]	MO AVG	<= 11 mg/L	Jun, Jul, Aug, Sep, Oct
002	BOD, carbonaceous [5 day, 20 C]	DAILY MX	<= 19.5 mg/L	Jan, Feb, Mar, Apr, May, Nov, Dec
002	BOD, carbonaceous [5 day, 20 C]	WKLY AVG	<= 16.5 mg/L	Jun, Jul, Aug, Sep, Oct
002	BOD, carbonaceous [5 day, 20 C]	MO AVG	<= 86.7 lb/d	Jan, Feb, Mar, Apr, May, Nov, Dec
002	BOD, carbonaceous [5 day, 20 C]	MO AVG	<= 73.4 lb/d	Jun, Jul, Aug, Sep, Oct