Wagoner Co. RWSG and SWMD 4 — NPDES permit OK0043257: limits, due date and EPA's record

NPDES permit OK0043257 · Minor POTW · effective, expires 2031-06-30 · EPA's file as of 2026-09-19

Watch this permit — $79 a month. Every Monday, from EPA's newest files: the next report due and when, whether EPA's file holds your last one, any change to this permit's limits or status, and the renewal date.

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

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 (18)

Outfall	Parameter	Statistic	Limit	Months
002	Oxygen, dissolved [DO]	INST MIN	>= 6 mg/L	Apr, May
002	Oxygen, dissolved [DO]	INST MIN	>= 3.5 mg/L	Jan, Feb, Mar, Nov, Dec
002	Oxygen, dissolved [DO]	INST MIN	>= 5 mg/L	Jun, Jul, Aug, Sep, Oct
002	pH	MINIMUM	>= 6.5 SU	all year
002	pH	MAXIMUM	<= 9 SU	all year
002	Solids, total suspended	MO AVG	<= 30 mg/L	all year
002	Solids, total suspended	WKLY AVG	<= 45 mg/L	all year
002	Solids, total suspended	MO AVG	<= 245.2 lb/d	all year
002	Nitrogen, ammonia total [as N]	MO AVG	<= 4 mg/L	all year
002	Nitrogen, ammonia total [as N]	WKLY AVG	<= 6 mg/L	all year
002	Nitrogen, ammonia total [as N]	MO AVG	<= 32.7 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 CFU/100mL	May, Jun, Jul, Aug, Sep
002	E. coli	DAILY MX	<= 406 CFU/100mL	May, Jun, Jul, Aug, Sep
002	BOD, carbonaceous [5 day, 20 C]	MO AVG	<= 15 mg/L	all year
002	BOD, carbonaceous [5 day, 20 C]	WKLY AVG	<= 22.5 mg/L	all year
002	BOD, carbonaceous [5 day, 20 C]	MO AVG	<= 122.6 lb/d	all year