Cooper Industries, LLC — NPDES permit MI0025321: limits, due date and EPA's record

NPDES permit MI0025321 · Minor NON-POTW · administratively continued, expires 2025-10-01 · 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.

This permit expired on 2025-10-01 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

Reporting

Reports are due about 21 days after each monitoring period ends (the most common figure among MI permits in EPA's filings — check your permit).

Limits in force (18)

Outfall	Parameter	Statistic	Limit	Months
002	pH	DAILY MN	= 6.5 SU	all year
002	pH	DAILY MX	= 9 SU	all year
002	1,1-Dichloroethane	DAILY MX	= 5 ug/L	all year
002	1,1-Dichloroethane	DAILY MX	report only	all year
002	trans-1,2-Dichloroethylene	DAILY MX	= 5 ug/L	all year
002	trans-1,2-Dichloroethylene	DAILY MX	report only	all year
002	Vinyl chloride	DAILY MX	= 3 ug/L	all year
002	Vinyl chloride	DAILY MX	report only	all year
002	Trichloroethylene	DAILY MX	= 5 ug/L	all year
002	Trichloroethylene	DAILY MX	report only	all year
002	Equipment inspection - visual	VALUE	report only	all year
002	Flow, in conduit or thru treatment plant	MO MAX	report only	all year
002	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
002	1,2-cis-Dichloroethylene	DAILY MX	= 5 ug/L	all year
002	1,2-cis-Dichloroethylene	DAILY MX	report only	all year
002	cis-1,2-Dichloroethene	DAILY MX	= 5 ug/L	all year
002	cis-1,2-Dichloroethene	DAILY MX	report only	all year
002	Outfall observation,visual, y/n response	VALUE	report only	all year