RADLEY RUN CC — NPDES permit PA0031097: limits, due date and EPA's record

NPDES permit PA0031097 · Minor NON-POTW · effective, expires 2030-08-31 · EPA's file as of 2026-09-19

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

Last period with anything received: 2026-06-30. Most often over: Phosphorus, total [as P] (6), Nitrogen, ammonia total [as N] (1).

Reporting

Reports are due about 28 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (24)

Outfall	Parameter	Statistic	Limit	Months
001	Oxygen, dissolved [DO]	INST MIN	>= 5 mg/L	all year
001	BOD, 5-day, 20 deg. C	MO AVG	report only	all year
001	pH	INST MIN	>= 6 SU	all year
001	pH	INST MAX	<= 9 SU	all year
001	Solids, total suspended	MO AVG	<= 20 mg/L	all year
001	Solids, total suspended	MO AVG	<= 2.8 lb/d	all year
001	Solids, total suspended	MO AVG	report only	all year
001	Nitrogen, total [as N]	MO AVG	<= 50 mg/L	all year
001	Nitrogen, total [as N]	MO AVG	<= 7 lb/d	all year
001	Nitrogen, ammonia total [as N]	MO AVG	<= 10 mg/L	all year
001	Nitrogen, ammonia total [as N]	MO AVG	<= 1.4 lb/d	all year
001	Phosphorus, total [as P]	MO AVG	<= 2 mg/L	Jan, Feb, Mar, Nov, Dec
001	Phosphorus, total [as P]	MO AVG	<= 1.5 mg/L	Apr, May, Jun, Jul, Aug, Sep, Oct
001	Phosphorus, total [as P]	MO AVG	<= .28 lb/d	Jan, Feb, Mar, Nov, Dec
001	Phosphorus, total [as P]	MO AVG	<= .21 lb/d	Apr, May, Jun, Jul, Aug, Sep, Oct
001	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
001	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
001	Chlorine, total residual	MO AVG	<= .5 mg/L	all year
001	Chlorine, total residual	INST MAX	<= 1.2 mg/L	all year
001	E. coli	INST MAX	report only	all year
001	Coliform, fecal general	GEO MEAN	<= 200 #/100mL	all year
001	Coliform, fecal general	INST MAX	<= 1000 #/100mL	all year
001	BOD, carbonaceous [5 day, 20 C]	MO AVG	<= 25 mg/L	all year
001	BOD, carbonaceous [5 day, 20 C]	MO AVG	<= 3.5 lb/d	all year