City of Thorp

NPDES permit WI0025615 · Minor POTW · expired, expires 2023-06-30 · EPA's file as of 2026-09-19

Check this month's numbers before you file

This permit expired on 2023-06-30 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

28values over a limit
66required values missing, on 20 form(s)
17of 31 forms filed late

Last period with anything received: 2026-06-30. Most often over: BOD, 5-day, 20 deg. C (16), Phosphorus, total [as P] (8), Solids, total suspended (4).

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 (91)

OutfallParameterStatisticLimitMonths
001BOD, 5-day, 20 deg. CWKLY AVG <= 45 mg/L Sep
001BOD, 5-day, 20 deg. CWKLY AVG <= 45 mg/L Oct
001BOD, 5-day, 20 deg. CWKLY AVG <= 45 mg/L Nov
001BOD, 5-day, 20 deg. CWKLY AVG <= 45 mg/L Dec
001BOD, 5-day, 20 deg. CWKLY AVG <= 45 mg/L Jan
001BOD, 5-day, 20 deg. CWKLY AVG <= 45 mg/L Feb
001BOD, 5-day, 20 deg. CWKLY AVG <= 45 mg/L Mar
001BOD, 5-day, 20 deg. CWKLY AVG <= 45 mg/L Apr
001BOD, 5-day, 20 deg. CWKLY AVG <= 45 mg/L May
001BOD, 5-day, 20 deg. CWKLY AVG <= 45 mg/L Jun
001BOD, 5-day, 20 deg. CWKLY AVG <= 45 mg/L Jul
001BOD, 5-day, 20 deg. CWKLY AVG <= 45 mg/L Aug
001BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L Sep
001BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L Oct
001BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L Nov
001BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L Dec
001BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L Jan
001BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L Feb
001BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L Mar
001BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L Apr
001BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L May
001BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L Jun
001BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L Jul
001BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L Aug
001BOD, 5-day, 20 deg. CDAILY MX report only Jun
001BOD, 5-day, 20 deg. CDAILY MX <= 24 lb/d Sep
001BOD, 5-day, 20 deg. CDAILY MX <= 47 lb/d Oct
001BOD, 5-day, 20 deg. CDAILY MX <= 115 lb/d Nov
001BOD, 5-day, 20 deg. CDAILY MX <= 55 lb/d Dec
001BOD, 5-day, 20 deg. CDAILY MX <= 54 lb/d Jan
001BOD, 5-day, 20 deg. CDAILY MX <= 62 lb/d Feb
001BOD, 5-day, 20 deg. CDAILY MX <= 91 lb/d Mar
001BOD, 5-day, 20 deg. CDAILY MX <= 235 lb/d Apr
001BOD, 5-day, 20 deg. CDAILY MX <= 82 lb/d May
001BOD, 5-day, 20 deg. CDAILY MX <= 31 lb/d Jun
001BOD, 5-day, 20 deg. CDAILY MX <= 21 lb/d Jul
001BOD, 5-day, 20 deg. CDAILY MX <= 18 lb/d Aug
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
001Nitrogen, ammonia total [as N]MO AVG report only Jun
001Nitrogen, ammonia total [as N]DAILY MX report only Sep
001Nitrogen, ammonia total [as N]DAILY MX report only Oct
001Nitrogen, ammonia total [as N]DAILY MX report only Nov
001Nitrogen, ammonia total [as N]DAILY MX report only Dec
001Nitrogen, ammonia total [as N]DAILY MX report only Jan
001Nitrogen, ammonia total [as N]DAILY MX report only Feb
001Nitrogen, ammonia total [as N]DAILY MX report only Mar
001Nitrogen, ammonia total [as N]DAILY MX report only Apr
001Nitrogen, ammonia total [as N]DAILY MX report only May
001Nitrogen, ammonia total [as N]DAILY MX report only Jun
001Nitrogen, ammonia total [as N]DAILY MX report only Jul
001Nitrogen, ammonia total [as N]DAILY MX report only Aug
001Nitrogen, ammonia total [as N]MO AVG <= 49 lb/d Sep
001Nitrogen, ammonia total [as N]MO AVG <= 125 lb/d Oct
001Nitrogen, ammonia total [as N]MO AVG <= 141 lb/d Nov
001Nitrogen, ammonia total [as N]MO AVG <= 98 lb/d Dec
001Nitrogen, ammonia total [as N]MO AVG <= 52 lb/d Jan
001Nitrogen, ammonia total [as N]MO AVG <= 55 lb/d Feb
001Nitrogen, ammonia total [as N]MO AVG <= 31 lb/d Aug
001Nitrogen, ammonia total [as N]DAILY MX <= 59 lb/d Sep
001Nitrogen, ammonia total [as N]DAILY MX <= 174 lb/d Oct
001Nitrogen, ammonia total [as N]DAILY MX <= 221 lb/d Nov
001Nitrogen, ammonia total [as N]DAILY MX <= 199 lb/d Dec
001Nitrogen, ammonia total [as N]WKLY AVG <= 120 lb/d Jan
001Nitrogen, ammonia total [as N]WKLY AVG <= 124 lb/d Feb
001Nitrogen, ammonia total [as N]WKLY AVG <= 143 lb/d Mar
001Nitrogen, ammonia total [as N]WKLY AVG <= 355 lb/d Apr
001Nitrogen, ammonia total [as N]WKLY AVG <= 216 lb/d May
001Nitrogen, ammonia total [as N]WKLY AVG <= 53 lb/d Jun
001Nitrogen, ammonia total [as N]WKLY AVG <= 41 lb/d Jul
001Nitrogen, ammonia total [as N]WKLY AVG <= 37 lb/d Aug
001Phosphorus, total [as P]MO AVG <= .51 mg/L all year
001Phosphorus, total [as P]DAILY MX report only all year
001Phosphorus, total [as P]ANNL AVG report only all year
001Phosphorus, total [as P]MO TOTAL report only all year
001Phosphorus, total [as P]ANNL MAX 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
102BOD, 5-day, 20 deg. CMO AVG report only all year
102BOD, 5-day, 20 deg. CDAILY MX report only all year
102Solids, total suspendedMO AVG report only all year
102Solids, total suspendedDAILY 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
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