CITY OF PERRY

NPDES permit IA0032379 · Major POTW · effective, expires 2030-05-31 · 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.

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

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

Last period with anything received: 2026-07-31.

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 (86)

OutfallParameterStatisticLimitMonths
004Oxygen, dissolved [DO]DAILY MN >= 2.8 mg/L all year
004BOD, 5-day, 20 deg. C30DA AVG report only all year
004BOD, 5-day, 20 deg. CDAILY MX report only all year
004BOD, 5-day, 20 deg. C30DA AVG report only all year
004BOD, 5-day, 20 deg. CDAILY MX report only all year
004pHDAILY MN >= 6.4 SU all year
004pHDAILY MX <= 9 SU all year
004pH30DA AVG report only all year
004pHDAILY MX report only all year
004Solids, total suspended30DA AVG <= 30 mg/L all year
004Solids, total suspended7 DA AVG <= 45 mg/L all year
004Solids, total suspended30DA AVG <= 1301 lb/d all year
004Solids, total suspended7 DA AVG <= 1952 lb/d all year
004Solids, total suspended30DA AVG report only all year
004Solids, total suspendedDAILY MX report only all year
004Solids, total suspended30DA AVG report only all year
004Solids, total suspendedDAILY MX report only all year
004Nitrogen, total [as N]30DA AVG report only all year
004Nitrogen, total [as N]DAILY MX report only all year
004Nitrogen, total [as N]30DA AVG report only all year
004Nitrogen, total [as N]DAILY MX report only all year
004Nitrogen, ammonia total [as N]30DA AVG <= 4.9 mg/L Jul
004Nitrogen, ammonia total [as N]30DA AVG <= 10 mg/L Mar
004Nitrogen, ammonia total [as N]30DA AVG <= 14.5 mg/L Feb
004Nitrogen, ammonia total [as N]30DA AVG <= 12.2 mg/L Dec
004Nitrogen, ammonia total [as N]30DA AVG <= 6.5 mg/L Jun
004Nitrogen, ammonia total [as N]30DA AVG <= 7.7 mg/L Oct
004Nitrogen, ammonia total [as N]30DA AVG <= 11.5 mg/L Nov
004Nitrogen, ammonia total [as N]30DA AVG <= 8.6 mg/L May
004Nitrogen, ammonia total [as N]30DA AVG <= 7.5 mg/L Apr
004Nitrogen, ammonia total [as N]30DA AVG <= 15.2 mg/L Jan
004Nitrogen, ammonia total [as N]30DA AVG <= 5.2 mg/L Sep
004Nitrogen, ammonia total [as N]30DA AVG <= 4.7 mg/L Aug
004Nitrogen, ammonia total [as N]DAILY MX <= 17.3 mg/L Jul
004Nitrogen, ammonia total [as N]DAILY MX <= 14.7 mg/L Mar
004Nitrogen, ammonia total [as N]DAILY MX <= 14.5 mg/L Feb
004Nitrogen, ammonia total [as N]DAILY MX <= 15.5 mg/L Dec
004Nitrogen, ammonia total [as N]DAILY MX <= 14.3 mg/L Jun
004Nitrogen, ammonia total [as N]DAILY MX <= 15.3 mg/L Oct
004Nitrogen, ammonia total [as N]DAILY MX <= 14.3 mg/L Nov
004Nitrogen, ammonia total [as N]DAILY MX <= 15 mg/L May
004Nitrogen, ammonia total [as N]DAILY MX <= 15.3 mg/L Apr
004Nitrogen, ammonia total [as N]DAILY MX <= 15.2 mg/L Jan
004Nitrogen, ammonia total [as N]DAILY MX <= 16.1 mg/L Sep
004Nitrogen, ammonia total [as N]DAILY MX <= 16 mg/L Aug
004Nitrogen, ammonia total [as N]30DA AVG <= 103.4 lb/d Jul
004Nitrogen, ammonia total [as N]30DA AVG <= 210.9 lb/d Mar
004Nitrogen, ammonia total [as N]30DA AVG <= 406.3 lb/d Feb
004Nitrogen, ammonia total [as N]30DA AVG <= 255.7 lb/d Dec
004Nitrogen, ammonia total [as N]30DA AVG <= 135 lb/d Jun
004Nitrogen, ammonia total [as N]30DA AVG <= 160.7 lb/d Oct
004Nitrogen, ammonia total [as N]30DA AVG <= 240.2 lb/d Nov
004Nitrogen, ammonia total [as N]30DA AVG <= 179.1 lb/d May
004Nitrogen, ammonia total [as N]30DA AVG <= 156.8 lb/d Apr
004Nitrogen, ammonia total [as N]30DA AVG <= 353.1 lb/d Jan
004Nitrogen, ammonia total [as N]30DA AVG <= 108.7 lb/d Sep
004Nitrogen, ammonia total [as N]30DA AVG <= 98.1 lb/d Aug
004Nitrogen, ammonia total [as N]DAILY MX <= 695.9 lb/d Jul
004Nitrogen, ammonia total [as N]DAILY MX <= 585.1 lb/d Mar
004Nitrogen, ammonia total [as N]DAILY MX <= 570.4 lb/d Feb
004Nitrogen, ammonia total [as N]DAILY MX <= 629.6 lb/d Dec
004Nitrogen, ammonia total [as N]DAILY MX <= 572.7 lb/d Jun
004Nitrogen, ammonia total [as N]DAILY MX <= 619.4 lb/d Oct
004Nitrogen, ammonia total [as N]DAILY MX <= 579.7 lb/d Nov
004Nitrogen, ammonia total [as N]DAILY MX <= 601.8 lb/d May
004Nitrogen, ammonia total [as N]DAILY MX <= 619.4 lb/d Apr
004Nitrogen, ammonia total [as N]DAILY MX <= 605.1 lb/d Jan
004Nitrogen, ammonia total [as N]DAILY MX <= 650.5 lb/d Sep
004Nitrogen, ammonia total [as N]DAILY MX <= 642.5 lb/d Aug
004Nitrogen, Kjeldahl, total [as N]30DA AVG <= 1885 lb/d all year
004Nitrogen, Kjeldahl, total [as N]DAILY MX <= 3085 lb/d all year
004Nitrogen, Kjeldahl, total [as N]30DA AVG report only all year
004Nitrogen, Kjeldahl, total [as N]DAILY MX report only all year
004Nitrogen, Kjeldahl, total [as N]30DA AVG report only all year
004Nitrogen, Kjeldahl, total [as N]DAILY MX report only all year
004Phosphorus, total [as P]30DA AVG report only all year
004Phosphorus, total [as P]DAILY MX report only all year
004Phosphorus, total [as P]30DA AVG report only all year
004Phosphorus, total [as P]DAILY MX report only all year
004E. coliGEO MEAN <= 126 #/100mL Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov
004Toxicity [acute], Ceriodaphnia dubiaDAILY MX <= 1 N=0;Y=1 all year
004Toxicity [acute], Pimephales promelas [Fathead Minnow]DAILY MX <= 1 N=0;Y=1 all year
004BOD, carbonaceous [5 day, 20 C]30DA AVG <= 25 mg/L all year
004BOD, carbonaceous [5 day, 20 C]7 DA AVG <= 40 mg/L all year
004BOD, carbonaceous [5 day, 20 C]30DA AVG <= 1084 lb/d all year
004BOD, carbonaceous [5 day, 20 C]7 DA AVG <= 1735 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