CITY OF CLINTON

NPDES permit IA0035947 · Major POTW · effective, expires 2031-06-30 · EPA's file as of 2026-09-19

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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.

EPA's record, 2025-09-01 to 2026-08-31

1values over a limit
0required values missing, on 0 form(s)
0of 11 forms filed late

Last period with anything received: 2026-07-31. Most often over: pH (1).

Reporting

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

Limits in force (63)

OutfallParameterStatisticLimitMonths
001pHDAILY MN >= 6 SU all year
001pHDAILY MX <= 9 SU all year
001pH30DA AVG report only all year
001pHDAILY MX report only all year
001Solids, total suspended30DA AVG <= 30 mg/L all year
001Solids, total suspended7 DA AVG <= 45 mg/L all year
001Solids, total suspended30DA AVG <= 5029 lb/d all year
001Solids, total suspended7 DA AVG <= 7544 lb/d all year
001Nitrogen, ammonia total [as N]30DA AVG <= 39.8 mg/L Jun
001Nitrogen, ammonia total [as N]30DA AVG <= 50.1 mg/L Feb
001Nitrogen, ammonia total [as N]30DA AVG <= 37.7 mg/L Apr
001Nitrogen, ammonia total [as N]30DA AVG <= 42.1 mg/L Jul
001Nitrogen, ammonia total [as N]30DA AVG <= 44.5 mg/L Mar
001Nitrogen, ammonia total [as N]30DA AVG <= 40.9 mg/L May
001Nitrogen, ammonia total [as N]30DA AVG <= 36.3 mg/L Nov
001Nitrogen, ammonia total [as N]30DA AVG <= 42.3 mg/L Aug
001Nitrogen, ammonia total [as N]30DA AVG <= 38.2 mg/L Dec
001Nitrogen, ammonia total [as N]30DA AVG <= 38.8 mg/L Sep
001Nitrogen, ammonia total [as N]30DA AVG <= 45.2 mg/L Jan
001Nitrogen, ammonia total [as N]30DA AVG <= 37.6 mg/L Oct
001Nitrogen, ammonia total [as N]DAILY MX <= 39.8 mg/L Jun
001Nitrogen, ammonia total [as N]DAILY MX <= 50.1 mg/L Feb
001Nitrogen, ammonia total [as N]DAILY MX <= 37.7 mg/L Apr
001Nitrogen, ammonia total [as N]DAILY MX <= 44.3 mg/L Jul
001Nitrogen, ammonia total [as N]DAILY MX <= 44.5 mg/L Mar
001Nitrogen, ammonia total [as N]DAILY MX <= 40.9 mg/L May
001Nitrogen, ammonia total [as N]DAILY MX <= 36.3 mg/L Nov
001Nitrogen, ammonia total [as N]DAILY MX <= 42.3 mg/L Aug
001Nitrogen, ammonia total [as N]DAILY MX <= 38.2 mg/L Dec
001Nitrogen, ammonia total [as N]DAILY MX <= 38.8 mg/L Sep
001Nitrogen, ammonia total [as N]DAILY MX <= 45.2 mg/L Jan
001Nitrogen, ammonia total [as N]DAILY MX <= 37.6 mg/L Oct
001Nitrogen, ammonia total [as N]30DA AVG <= 4940.7 lb/d Jun
001Nitrogen, ammonia total [as N]30DA AVG <= 5895.2 lb/d Feb
001Nitrogen, ammonia total [as N]30DA AVG <= 4867.2 lb/d Apr
001Nitrogen, ammonia total [as N]30DA AVG <= 4142.9 lb/d Jul
001Nitrogen, ammonia total [as N]30DA AVG <= 5408.5 lb/d Mar
001Nitrogen, ammonia total [as N]30DA AVG <= 5120.1 lb/d May
001Nitrogen, ammonia total [as N]30DA AVG <= 4639.1 lb/d Nov
001Nitrogen, ammonia total [as N]30DA AVG <= 4365.6 lb/d Aug
001Nitrogen, ammonia total [as N]30DA AVG <= 4940.8 lb/d Dec
001Nitrogen, ammonia total [as N]30DA AVG <= 4817 lb/d Sep
001Nitrogen, ammonia total [as N]30DA AVG <= 5516.8 lb/d Jan
001Nitrogen, ammonia total [as N]30DA AVG <= 4864.3 lb/d Oct
001Nitrogen, ammonia total [as N]DAILY MX <= 4940.7 lb/d Jun
001Nitrogen, ammonia total [as N]DAILY MX <= 5895.2 lb/d Feb
001Nitrogen, ammonia total [as N]DAILY MX <= 4867.2 lb/d Apr
001Nitrogen, ammonia total [as N]DAILY MX <= 5660.1 lb/d Jul
001Nitrogen, ammonia total [as N]DAILY MX <= 5408.5 lb/d Mar
001Nitrogen, ammonia total [as N]DAILY MX <= 5120.1 lb/d May
001Nitrogen, ammonia total [as N]DAILY MX <= 4639.1 lb/d Nov
001Nitrogen, ammonia total [as N]DAILY MX <= 5348.2 lb/d Aug
001Nitrogen, ammonia total [as N]DAILY MX <= 4940.8 lb/d Dec
001Nitrogen, ammonia total [as N]DAILY MX <= 5052.1 lb/d Sep
001Nitrogen, ammonia total [as N]DAILY MX <= 5516.8 lb/d Jan
001Nitrogen, ammonia total [as N]DAILY MX <= 4864.3 lb/d Oct
001E. coliGEO MEAN <= 126 #/100mL Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov
001Toxicity [acute], Ceriodaphnia dubiaDAILY MX <= 1 N=0;Y=1 all year
001Toxicity [acute], Pimephales promelas [Fathead Minnow]DAILY MX <= 1 N=0;Y=1 all year
001BOD, carbonaceous [5 day, 20 C]30DA AVG <= 25 mg/L all year
001BOD, carbonaceous [5 day, 20 C]7 DA AVG <= 40 mg/L all year
001BOD, carbonaceous [5 day, 20 C]30DA AVG <= 4191 lb/d all year
001BOD, carbonaceous [5 day, 20 C]7 DA AVG <= 6705 lb/d 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