Waupaca Foundry, Inc. Plant No. 1

NPDES permit WI0026379 · Minor NON-POTW · expired, expires 2022-03-31 · 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 2022-03-31 and is expired: 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

3required values missing, on 1 form(s)

0of 5 forms filed late

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

Reporting

Reports are due about 15 days after each monitoring period ends (the most common figure among WI permits in EPA's filings — check your permit).

Outfall 001, form AN: files for periods ending in Dec

Limits in force (7)

Outfall	Parameter	Statistic	Limit	Months
001	pH	DAILY MN	>= 6 SU	all year
001	pH	DAILY MX	<= 9 SU	all year
001	Solids, total suspended	ANNL AVG	report only	all year
001	Solids, total suspended	ANNL MAX	report only	all year
001	Oil and grease, hexane extr method	ANNL MAX	report only	all year
002	Flow, in conduit or thru treatment plant	QRTR AVG	report only	all year
002	Flow, in conduit or thru treatment plant	QB	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