BROWNSTOWN WWTP — NPDES permit IN0022454: limits, due date and EPA's record

NPDES permit IN0022454 · Minor POTW · effective, expires 2031-07-31 · 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 28 days after each monitoring period ends (the most common figure among IN permits in EPA's filings — check your permit).

Limits in force (19)

Outfall	Parameter	Statistic	Limit	Months
001	Oxygen, dissolved [DO]	DLYAVMIN	>= 2 mg/L	all year
001	pH	DAILY MN	>= 6 SU	all year
001	pH	DAILY MX	<= 9 SU	all year
001	Solids, total suspended	MO AVG	<= 30 mg/L	all year
001	Solids, total suspended	MX WK AV	<= 45 mg/L	all year
001	Solids, total suspended	MO AVG	<= 168 lb/d	all year
001	Solids, total suspended	MX WK AV	<= 252 lb/d	all year
001	Nitrogen, ammonia total [as N]	MO AVG	<= 10.2 mg/L	all year
001	Nitrogen, ammonia total [as N]	MX WK AV	<= 15.3 mg/L	all year
001	Nitrogen, ammonia total [as N]	MO AVG	<= 57 lb/d	all year
001	Nitrogen, ammonia total [as N]	MX WK AV	<= 85.5 lb/d	all year
001	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
001	E. coli, colony forming units [CFU]	MO GEO	<= 125 CFU/100mL	Apr, May, Jun, Jul, Aug, Sep, Oct
001	E. coli, colony forming units [CFU]	DAILY MX	<= 235 CFU/100mL	Apr, May, Jun, Jul, Aug, Sep, Oct
001	BOD, carbonaceous [5 day, 20 C]	MO AVG	<= 25 mg/L	all year
001	BOD, carbonaceous [5 day, 20 C]	MX WK AV	<= 40 mg/L	all year
001	BOD, carbonaceous [5 day, 20 C]	MO AVG	<= 140 lb/d	all year
001	BOD, carbonaceous [5 day, 20 C]	MX WK AV	<= 224 lb/d	all year
001	Flow, total	MO TOTAL	report only	all year