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NPDES permit IA0052919 · Minor NON-POTW · expired, expires 2024-01-31 · 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 2024-01-31 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

0values over a limit
250required values missing, on 10 form(s)
0of 10 forms filed late

Last period with anything received: none.

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 (69)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]DAILY MN >= 5 mg/L all year
001BOD, 5-day, 20 deg. C30DA AVG <= 19 lb/d all year
001BOD, 5-day, 20 deg. CDAILY MX <= 45 lb/d all year
001Oxygen demand, chem. [high level] [COD]DAILY MX <= 110 mg/L all year
001Oxygen demand, chem. [high level] [COD]DAILY MX <= 55 lb/d all year
001pHDAILY MN >= 6.5 SU all year
001pHDAILY MX <= 9 SU all year
001Solids, total suspended30DA AVG <= 28 lb/d all year
001Solids, total suspendedDAILY MX <= 78 lb/d all year
001Nitrogen, ammonia total [as N]30DA AVG <= 3.4 mg/L Jan
001Nitrogen, ammonia total [as N]30DA AVG <= 2.1 mg/L Mar
001Nitrogen, ammonia total [as N]30DA AVG <= 1.1 mg/L Sep
001Nitrogen, ammonia total [as N]30DA AVG <= 2.5 mg/L Dec
001Nitrogen, ammonia total [as N]30DA AVG <= 4 mg/L Feb
001Nitrogen, ammonia total [as N]30DA AVG <= 1.3 mg/L Jun
001Nitrogen, ammonia total [as N]30DA AVG <= 2.3 mg/L Nov
001Nitrogen, ammonia total [as N]30DA AVG <= 1 mg/L Jul
001Nitrogen, ammonia total [as N]30DA AVG <= 1.5 mg/L Apr
001Nitrogen, ammonia total [as N]30DA AVG <= 1.6 mg/L Oct
001Nitrogen, ammonia total [as N]30DA AVG <= 1.7 mg/L May
001Nitrogen, ammonia total [as N]30DA AVG <= 1 mg/L Aug
001Nitrogen, ammonia total [as N]DAILY MX <= 15.2 mg/L Jan
001Nitrogen, ammonia total [as N]DAILY MX <= 14.7 mg/L Mar
001Nitrogen, ammonia total [as N]DAILY MX <= 16.5 mg/L Sep
001Nitrogen, ammonia total [as N]DAILY MX <= 16 mg/L Dec
001Nitrogen, ammonia total [as N]DAILY MX <= 14.2 mg/L Feb
001Nitrogen, ammonia total [as N]DAILY MX <= 14.4 mg/L Jun
001Nitrogen, ammonia total [as N]DAILY MX <= 14.7 mg/L Nov
001Nitrogen, ammonia total [as N]DAILY MX <= 17.6 mg/L Jul
001Nitrogen, ammonia total [as N]DAILY MX <= 15.7 mg/L Apr
001Nitrogen, ammonia total [as N]DAILY MX <= 15.7 mg/L Oct
001Nitrogen, ammonia total [as N]DAILY MX <= 15.2 mg/L May
001Nitrogen, ammonia total [as N]DAILY MX <= 16.2 mg/L Aug
001Nitrogen, ammonia total [as N]30DA AVG <= 1.7 lb/d Jan
001Nitrogen, ammonia total [as N]30DA AVG <= 1 lb/d Mar
001Nitrogen, ammonia total [as N]30DA AVG <= .5 lb/d Sep
001Nitrogen, ammonia total [as N]30DA AVG <= 1.2 lb/d Dec
001Nitrogen, ammonia total [as N]30DA AVG <= 2 lb/d Feb
001Nitrogen, ammonia total [as N]30DA AVG <= .7 lb/d Jun
001Nitrogen, ammonia total [as N]30DA AVG <= 1.2 lb/d Nov
001Nitrogen, ammonia total [as N]30DA AVG <= .5 lb/d Jul
001Nitrogen, ammonia total [as N]30DA AVG <= .8 lb/d Apr
001Nitrogen, ammonia total [as N]30DA AVG <= .8 lb/d Oct
001Nitrogen, ammonia total [as N]30DA AVG <= .9 lb/d May
001Nitrogen, ammonia total [as N]30DA AVG <= .5 lb/d Aug
001Nitrogen, ammonia total [as N]DAILY MX <= 7.6 lb/d Jan
001Nitrogen, ammonia total [as N]DAILY MX <= 7.3 lb/d Mar
001Nitrogen, ammonia total [as N]DAILY MX <= 8.3 lb/d Sep
001Nitrogen, ammonia total [as N]DAILY MX <= 8 lb/d Dec
001Nitrogen, ammonia total [as N]DAILY MX <= 7.1 lb/d Feb
001Nitrogen, ammonia total [as N]DAILY MX <= 7.2 lb/d Jun
001Nitrogen, ammonia total [as N]DAILY MX <= 7.3 lb/d Nov
001Nitrogen, ammonia total [as N]DAILY MX <= 8.8 lb/d Jul
001Nitrogen, ammonia total [as N]DAILY MX <= 7.9 lb/d Apr
001Nitrogen, ammonia total [as N]DAILY MX <= 7.9 lb/d Oct
001Nitrogen, ammonia total [as N]DAILY MX <= 7.6 lb/d May
001Nitrogen, ammonia total [as N]DAILY MX <= 8.1 lb/d Aug
001Chloride [as Cl]30DA AVG <= 389 mg/L all year
001Chloride [as Cl]DAILY MX <= 629 mg/L all year
001Chloride [as Cl]30DA AVG <= 194 lb/d all year
001Chloride [as Cl]DAILY MX <= 315 lb/d all year
001Copper, total [as Cu]30DA AVG <= .01687 mg/L all year
001Copper, total [as Cu]DAILY MX <= .0269 mg/L all year
001Copper, total [as Cu]30DA AVG <= .008441 lb/d all year
001Copper, total [as Cu]DAILY MX <= .01346 lb/d all year
001Mercury, total [as Hg]30DA AVG <= .0009 mg/L all year
001Mercury, total [as Hg]DAILY MX <= .00164 mg/L all year
001Mercury, total [as Hg]30DA AVG <= .0004504 lb/d all year
001Mercury, total [as Hg]DAILY MX <= .0008207 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