APPLETON WASTEWATER TREATMENT

NPDES permit WI0023221 · Major POTW · expired, expires 2022-03-31 · EPA's file as of 2026-09-19

Check this month's numbers before you file

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

7values over a limit
35required values missing, on 7 form(s)
16of 20 forms filed late

Last period with anything received: 2026-06-30. Most often over: Solids, total suspended (7).

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 (54)

OutfallParameterStatisticLimitMonths
001pHDAILY MN >= 6 SU all year
001pHDAILY MX <= 9 SU all year
001Solids, total suspendedWKLY AVG <= 45 mg/L all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedDAILY MX report only all year
001Solids, total suspendedMO AVG <= 1322 lb/d all year
001Solids, total suspendedWKLY AVG <= 2434 lb/d all year
001Nitrogen, ammonia total [as N]WKLY AVG <= 11 mg/L Jun, Jul, Aug, Sep
001Nitrogen, ammonia total [as N]WKLY AVG <= 28 mg/L Jan, Feb, Mar
001Nitrogen, ammonia total [as N]WKLY AVG <= 29 mg/L Apr
001Nitrogen, ammonia total [as N]MO AVG <= 4.4 mg/L Jun, Jul, Aug, Sep
001Nitrogen, ammonia total [as N]MO AVG <= 10 mg/L Jan, Feb, Mar
001Nitrogen, ammonia total [as N]MO AVG <= 11 mg/L Apr
001Nitrogen, ammonia total [as N]MO AVG <= 11 mg/L May
001Nitrogen, ammonia total [as N]MO AVG <= 18 mg/L Oct, Nov, Dec
001Nitrogen, ammonia total [as N]DAILY MX <= 29 mg/L Jun, Jul, Aug, Sep
001Nitrogen, ammonia total [as N]DAILY MX <= 29 mg/L Jan, Feb, Mar
001Nitrogen, ammonia total [as N]DAILY MX <= 29 mg/L Apr
001Nitrogen, ammonia total [as N]DAILY MX <= 29 mg/L May
001Nitrogen, ammonia total [as N]DAILY MX <= 29 mg/L Oct, Nov, Dec
001Phosphorus, total [as P]MO AVG <= 1 mg/L all year
001Phosphorus, total [as P]DAILY MX report only all year
001Phosphorus, total [as P]MO AVG report only all year
001Phosphorus, total [as P]DAILY MX report only all year
001Nickel, total recoverableDAILY MX report only all year
001Zinc, total recoverableDAILY MX report only all year
001Cadmium, total recoverableDAILY MX report only all year
001Lead, total recoverableDAILY MX report only all year
001Chromium, total recoverableDAILY MX report only all year
001Copper, total recoverableDAILY MX report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Chlorine, total residualWKLY AVG <= 38 ug/L May, Jun, Jul, Aug, Sep
001Chlorine, total residualMO AVG <= 38 ug/L May, Jun, Jul, Aug, Sep
001Chlorine, total residualDAILY MX <= 38 ug/L May, Jun, Jul, Aug, Sep
001Mercury, total recoverableDAILY MX <= 3.4 ng/L all year
001Coliform, fecal generalWK GEOMN <= 656 #/100mL May, Jun, Jul, Aug, Sep
001Coliform, fecal generalGEO MEAN <= 400 #/100mL May, Jun, Jul, Aug, Sep
001BOD, carbonaceous [5 day, 5 C]WKLY AVG <= 40 mg/L all year
001BOD, carbonaceous [5 day, 5 C]MO AVG <= 25 mg/L all year
001BOD, carbonaceous [5 day, 5 C]DAILY MX report only all year
701BOD, 5-day, 20 deg. CMO AVG report only all year
701BOD, 5-day, 20 deg. CDAILY MX report only all year
701Solids, total suspendedMO AVG report only all year
701Solids, total suspendedDAILY MX report only all year
701Nickel, total recoverableDAILY MX report only all year
701Zinc, total recoverableDAILY MX report only all year
701Cadmium, total recoverableDAILY MX report only all year
701Lead, total recoverableDAILY MX report only all year
701Chromium, total recoverableDAILY MX report only all year
701Copper, total recoverableDAILY 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
701Mercury, total recoverableDAILY 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