GRABER POST BUILDINGS INC — NPDES permit IN0064386: limits, due date and EPA's record

NPDES permit IN0064386 · Minor NON-POTW · effective, expires 2030-06-30 · 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

Last period with anything received: 2026-07-31. Most often over: Phosphorus, total [as P] (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 (21)

Outfall	Parameter	Statistic	Limit	Months
002	pH	DAILY MN	>= 6 SU	all year
002	pH	DAILY MX	<= 9 SU	all year
002	Solids, total suspended	MO AVG	<= 20 mg/L	all year
002	Solids, total suspended	DAILY MX	<= 40 mg/L	all year
002	Oil and grease, hexane extr method	MO AVG	<= 10 mg/L	all year
002	Oil and grease, hexane extr method	DAILY MX	<= 15 mg/L	all year
002	Phosphorus, total [as P]	MO AVG	<= 1 mg/L	all year
002	Phosphorus, total [as P]	DAILY MX	report only	all year
002	Zinc, total recoverable	MO AVG	report only	all year
002	Zinc, total recoverable	DAILY MX	report only	all year
002	Copper, total recoverable	MO AVG	report only	all year
002	Copper, total recoverable	DAILY MX	report only	all year
002	Benzene, ethylbenzene, toluene, xylene combination	MO AVG	report only	all year
002	Benzene, ethylbenzene, toluene, xylene combination	DAILY MX	report only	all year
002	Benzene	MO AVG	report only	all year
002	Benzene	DAILY MX	report only	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	BOD, carbonaceous [5 day, 20 C]	MO AVG	report only	all year
002	BOD, carbonaceous [5 day, 20 C]	DAILY MX	report only	all year
002	Flow, total	MO TOTAL	report only	all year