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NPDES permit MO0136824 · Minor NON-POTW · administratively continued, expires 2024-03-31 · 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.

This permit expired on 2024-03-31 and is administratively continued: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

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

0values over a limit

0required values missing, on 0 form(s)

0of 4 forms filed late

Last period with anything received: 2026-06-30.

Reporting

Reports are due about 28 days after each monitoring period ends (the most common figure among MO permits in EPA's filings — check your permit).

Outfall 001, form Q (Quarterly Stormwater): files for periods ending in Mar, Jun, Sep, Dec

Limits in force (9)

Outfall	Parameter	Statistic	Limit	Months
001	Oxygen demand, chem. [high level] [COD]	DAILY MX	report only	all year
001	pH	MINIMUM	>= 6.5 SU	all year
001	pH	MAXIMUM	<= 9 SU	all year
001	Solids, settleable	DAILY MX	<= 1 mL/L	all year
001	Oil and grease [soxhlet extr.] tot.	DAILY MX	report only	all year
001	Iron, total recoverable	DAILY MX	report only	all year
001	Aluminum, total recoverable	DAILY MX	report only	all year
001	Rainfall	DAILY MX	report only	all year
001	Storm water flow	DAILY MX	report only	all year

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