Saputo Cheese Waupun Facility

NPDES permit WI0002003 · Minor NON-POTW · expired, expires 2022-12-31 · 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 2022-12-31 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

3values over a limit
0required values missing, on 0 form(s)
18of 20 forms filed late

Last period with anything received: 2026-06-30. Most often over: BOD, 5-day, 20 deg. C (2), Chloride [as Cl] (1).

Reporting

Reports are due about 15 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (34)

OutfallParameterStatisticLimitMonths
002Temperature, water deg. fahrenheitWKLY AVG report only all year
002Temperature, water deg. fahrenheitMO AVG report only all year
002Temperature, water deg. fahrenheitDAILY MX report only all year
002Oxygen, dissolved [DO]DAILY MN >= 4 mg/L all year
002BOD, 5-day, 20 deg. CMO AVG <= 15 mg/L all year
002BOD, 5-day, 20 deg. CDAILY MX <= 30 mg/L all year
002BOD, 5-day, 20 deg. CMO AVG <= 106 lb/d all year
002BOD, 5-day, 20 deg. CDAILY MX <= 266 lb/d all year
002pHDAILY MN >= 6 SU all year
002pHDAILY MX <= 9 SU all year
002Solids, total suspendedMO AVG <= 20 mg/L all year
002Solids, total suspendedDAILY MX <= 30 mg/L all year
002Solids, total suspendedMO AVG <= 152 lb/d all year
002Solids, total suspendedDAILY MX <= 360 lb/d all year
002Nitrogen, ammonia total [as N]MO AVG report only all year
002Nitrogen, ammonia total [as N]DAILY MX report only all year
002Phosphorus, total [as P]ROLL AVG <= 2.5 mg/L all year
002Phosphorus, total [as P]DAILY MX report only all year
002Phosphorus, total [as P]MO AVG report only all year
002Phosphorus, total [as P]DAILY MX report only all year
002Chloride [as Cl]WKLY AVG <= 400 mg/L all year
002Chloride [as Cl]MO AVG report only all year
002Chloride [as Cl]DAILY MX report only all year
002Chloride [as Cl]WKLY AVG <= 3300 lb/d all year
002Flow, in conduit or thru treatment plantMO AVG report only all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
701Oxygen demand, chem. [high level] [COD]MO AVG report only all year
701Oxygen demand, chem. [high level] [COD]DAILY MX report only all year
701Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
701Nitrogen, Kjeldahl, total [as N]DAILY MX report only all year
701Chloride [as Cl]MO AVG report only all year
701Chloride [as Cl]DAILY MX report only all year
701Flow, in conduit or thru treatment plantMO AVG report only all year
701Flow, in conduit or thru treatment plantDAILY 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