WI DNR ST CROIX FALLS HATCHERY

NPDES permit WI0004201 · Minor NON-POTW · expired, expires 2023-03-31 · 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 2023-03-31 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
30required values missing, on 30 form(s)
0of 50 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).

Limits in force (42)

OutfallParameterStatisticLimitMonths
001BOD, 5-day, 20 deg. CQRTR AVG report only all year
001BOD, 5-day, 20 deg. CQB report only all year
001pHDAILY MX report only all year
001Solids, total suspendedQRTR AVG report only all year
001Solids, total suspendedQB report only all year
001Phosphorus, total [as P]ROLL AVG <= 1 mg/L all year
001Phosphorus, total [as P]ANNL AVG report only all year
001Phosphorus, total [as P]ANNL MAX report only all year
001Chloride [as Cl]QB report only all year
001Flow, in conduit or thru treatment plantQRTR AVG report only all year
001Flow, in conduit or thru treatment plantQB report only all year
002BOD, 5-day, 20 deg. CQRTR AVG report only all year
002BOD, 5-day, 20 deg. CQB report only all year
002pHDAILY MX report only all year
002Solids, total suspendedQRTR AVG report only all year
002Solids, total suspendedQB report only all year
002Phosphorus, total [as P]ROLL AVG <= 1 mg/L all year
002Phosphorus, total [as P]ANNL AVG report only all year
002Phosphorus, total [as P]ANNL MAX report only all year
002Chloride [as Cl]QB report only all year
002Flow, in conduit or thru treatment plantQRTR AVG report only all year
002Flow, in conduit or thru treatment plantQB report only all year
003BOD, 5-day, 20 deg. CQRTR AVG report only all year
003BOD, 5-day, 20 deg. CQB report only all year
003pHDAILY MX report only all year
003Solids, total suspendedQRTR AVG report only all year
003Solids, total suspendedQB report only all year
003Phosphorus, total [as P]ROLL AVG <= 1 mg/L all year
003Phosphorus, total [as P]ANNL AVG report only all year
003Phosphorus, total [as P]ANNL MAX report only all year
003Chloride [as Cl]QB report only all year
003Flow, in conduit or thru treatment plantQRTR AVG report only all year
003Flow, in conduit or thru treatment plantQB report only all year
004BOD, 5-day, 20 deg. CQRTR AVG report only all year
004BOD, 5-day, 20 deg. CQB report only all year
004Solids, total suspendedQRTR AVG report only all year
004Solids, total suspendedQB report only all year
004Phosphorus, total [as P]ANNL AVG report only all year
004Phosphorus, total [as P]ANNL MAX report only all year
004Chloride [as Cl]QB report only all year
004Flow, in conduit or thru treatment plantQRTR AVG report only all year
004Flow, in conduit or thru treatment plantQB 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