CITY OF JEFFERSON

NPDES permit IA0021300 · Major POTW · effective, expires 2031-07-31 · 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)
1of 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 (read off this permit's own late-day counts in EPA's filings).

Limits in force (68)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]DAILY MN >= 1.4 mg/L all year
001pHDAILY MN >= 6.3 SU all year
001pHDAILY MX <= 9 SU 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 <= 613 lb/d all year
001Solids, total suspended7 DA AVG <= 919 lb/d all year
001Nitrogen, ammonia total [as N]30DA AVG <= 12.8 mg/L Nov
001Nitrogen, ammonia total [as N]30DA AVG <= 10.2 mg/L Mar
001Nitrogen, ammonia total [as N]30DA AVG <= 6.1 mg/L May
001Nitrogen, ammonia total [as N]30DA AVG <= 13.9 mg/L Dec
001Nitrogen, ammonia total [as N]30DA AVG <= 4.2 mg/L Aug
001Nitrogen, ammonia total [as N]30DA AVG <= 4.1 mg/L Jun
001Nitrogen, ammonia total [as N]30DA AVG <= 4.7 mg/L Sep
001Nitrogen, ammonia total [as N]30DA AVG <= 14.7 mg/L Feb
001Nitrogen, ammonia total [as N]30DA AVG <= 4.6 mg/L Jul
001Nitrogen, ammonia total [as N]30DA AVG <= 15.2 mg/L Jan
001Nitrogen, ammonia total [as N]30DA AVG <= 7.3 mg/L Apr
001Nitrogen, ammonia total [as N]30DA AVG <= 8.7 mg/L Oct
001Nitrogen, ammonia total [as N]DAILY MX <= 14 mg/L Nov
001Nitrogen, ammonia total [as N]DAILY MX <= 14.4 mg/L Mar
001Nitrogen, ammonia total [as N]DAILY MX <= 14.5 mg/L May
001Nitrogen, ammonia total [as N]DAILY MX <= 15.4 mg/L Dec
001Nitrogen, ammonia total [as N]DAILY MX <= 15.4 mg/L Aug
001Nitrogen, ammonia total [as N]DAILY MX <= 13.8 mg/L Jun
001Nitrogen, ammonia total [as N]DAILY MX <= 15.2 mg/L Sep
001Nitrogen, ammonia total [as N]DAILY MX <= 14.7 mg/L Feb
001Nitrogen, ammonia total [as N]DAILY MX <= 15.2 mg/L Jul
001Nitrogen, ammonia total [as N]DAILY MX <= 15.2 mg/L Jan
001Nitrogen, ammonia total [as N]DAILY MX <= 15 mg/L Apr
001Nitrogen, ammonia total [as N]DAILY MX <= 15.1 mg/L Oct
001Nitrogen, ammonia total [as N]30DA AVG <= 170.8 lb/d Nov
001Nitrogen, ammonia total [as N]30DA AVG <= 142.6 lb/d Mar
001Nitrogen, ammonia total [as N]30DA AVG <= 87.1 lb/d May
001Nitrogen, ammonia total [as N]30DA AVG <= 181.7 lb/d Dec
001Nitrogen, ammonia total [as N]30DA AVG <= 56.8 lb/d Aug
001Nitrogen, ammonia total [as N]30DA AVG <= 59 lb/d Jun
001Nitrogen, ammonia total [as N]30DA AVG <= 66.9 lb/d Sep
001Nitrogen, ammonia total [as N]30DA AVG <= 280.3 lb/d Feb
001Nitrogen, ammonia total [as N]30DA AVG <= 62.3 lb/d Jul
001Nitrogen, ammonia total [as N]30DA AVG <= 251.2 lb/d Jan
001Nitrogen, ammonia total [as N]30DA AVG <= 102.3 lb/d Apr
001Nitrogen, ammonia total [as N]30DA AVG <= 114.2 lb/d Oct
001Nitrogen, ammonia total [as N]DAILY MX <= 281.2 lb/d Nov
001Nitrogen, ammonia total [as N]DAILY MX <= 285.7 lb/d Mar
001Nitrogen, ammonia total [as N]DAILY MX <= 292.7 lb/d May
001Nitrogen, ammonia total [as N]DAILY MX <= 305.2 lb/d Dec
001Nitrogen, ammonia total [as N]DAILY MX <= 282 lb/d Aug
001Nitrogen, ammonia total [as N]DAILY MX <= 278.7 lb/d Jun
001Nitrogen, ammonia total [as N]DAILY MX <= 308.5 lb/d Sep
001Nitrogen, ammonia total [as N]DAILY MX <= 280.3 lb/d Feb
001Nitrogen, ammonia total [as N]DAILY MX <= 265.6 lb/d Jul
001Nitrogen, ammonia total [as N]DAILY MX <= 295.4 lb/d Jan
001Nitrogen, ammonia total [as N]DAILY MX <= 300.3 lb/d Apr
001Nitrogen, ammonia total [as N]DAILY MX <= 300.3 lb/d Oct
001Nitrogen, Kjeldahl, total [as N]30DA AVG <= 237 lb/d all year
001Nitrogen, Kjeldahl, total [as N]DAILY MX <= 388 lb/d all year
001Copper, total [as Cu]30DA AVG <= .031 mg/L all year
001Copper, total [as Cu]DAILY MX <= .031 mg/L all year
001Copper, total [as Cu]30DA AVG <= .498 lb/d all year
001Copper, total [as Cu]DAILY MX <= .574 lb/d all year
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 <= 511 lb/d all year
001BOD, carbonaceous [5 day, 20 C]7 DA AVG <= 817 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