Johnsonite

NPDES permit OH0001449 · Minor NON-POTW · effective, expires 2028-05-31 · EPA's file as of 2026-09-19

Check this month's numbers before you file

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

1values over a limit

0required values missing, on 0 form(s)

0of 14 forms filed late

Last period with anything received: 2026-07-31. Most often over: Solids, total suspended (1).

Reporting

Reports are due about 20 days after each monitoring period ends (the most common figure among OH permits in EPA's filings — check your permit).

Outfall 003, form A: every 1 month(s), 6 values

Limits in force (8)

Outfall	Parameter	Statistic	Limit	Months
003	Flow rate	MO AVG	report only	all year
003	Flow rate	DAILY MX	report only	all year
003	pH	DAILY MN	>= 6.5 SU	all year
003	pH	DAILY MX	<= 9 SU	all year
003	Solids, total suspended	MO AVG	<= 30 mg/L	all year
003	Solids, total suspended	DAILY MX	<= 45 mg/L	all year
004	Zinc, total recoverable	MO AVG	report only	Mar, Jun, Sep, Dec
004	Zinc, total recoverable	DAILY MX	report only	Mar, Jun, Sep, Dec

Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states