CITY OF EAGLE GROVE

NPDES permit IA0034380 · Major POTW · effective, expires 2030-02-28 · 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

2values over a limit
2required values missing, on 1 form(s)
0of 11 forms filed late

Last period with anything received: 2026-07-31. Most often over: Oxygen, dissolved [DO] (1), Nitrogen, nitrate total [as N] (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 (86)

OutfallParameterStatisticLimitMonths
006Oxygen, dissolved [DO]DAILY MN >= 5 mg/L all year
006BOD, 5-day, 20 deg. C30DA AVG report only all year
006BOD, 5-day, 20 deg. CDAILY MX report only all year
006BOD, 5-day, 20 deg. C30DA AVG report only all year
006BOD, 5-day, 20 deg. CDAILY MX report only all year
006pHDAILY MN >= 6.5 SU all year
006pHDAILY MX <= 9 SU all year
006pH30DA AVG report only all year
006pHDAILY MX report only all year
006Solids, total suspended30DA AVG <= 30 mg/L all year
006Solids, total suspended7 DA AVG <= 45 mg/L all year
006Solids, total suspended30DA AVG <= 1038 lb/d all year
006Solids, total suspended7 DA AVG <= 1557 lb/d all year
006Solids, total suspended30DA AVG report only all year
006Solids, total suspendedDAILY MX report only all year
006Solids, total suspended30DA AVG report only all year
006Solids, total suspendedDAILY MX report only all year
006Nitrogen, total [as N]30DA AVG report only all year
006Nitrogen, total [as N]DAILY MX report only all year
006Nitrogen, total [as N]30DA AVG report only all year
006Nitrogen, total [as N]DAILY MX report only all year
006Nitrogen, ammonia total [as N]30DA AVG <= 3.5 mg/L May
006Nitrogen, ammonia total [as N]30DA AVG <= 2.3 mg/L Aug
006Nitrogen, ammonia total [as N]30DA AVG <= 4.5 mg/L Dec
006Nitrogen, ammonia total [as N]30DA AVG <= 2.7 mg/L Feb
006Nitrogen, ammonia total [as N]30DA AVG <= 3.1 mg/L Apr
006Nitrogen, ammonia total [as N]30DA AVG <= 3.2 mg/L Oct
006Nitrogen, ammonia total [as N]30DA AVG <= 2.9 mg/L Jun
006Nitrogen, ammonia total [as N]30DA AVG <= 2.5 mg/L Jul
006Nitrogen, ammonia total [as N]30DA AVG <= 4.4 mg/L Mar
006Nitrogen, ammonia total [as N]30DA AVG <= 2.6 mg/L Sep
006Nitrogen, ammonia total [as N]30DA AVG <= 3.7 mg/L Jan
006Nitrogen, ammonia total [as N]30DA AVG <= 3.1 mg/L Nov
006Nitrogen, ammonia total [as N]DAILY MX <= 18.2 mg/L May
006Nitrogen, ammonia total [as N]DAILY MX <= 23.1 mg/L Aug
006Nitrogen, ammonia total [as N]DAILY MX <= 18.7 mg/L Dec
006Nitrogen, ammonia total [as N]DAILY MX <= 23.3 mg/L Feb
006Nitrogen, ammonia total [as N]DAILY MX <= 16 mg/L Apr
006Nitrogen, ammonia total [as N]DAILY MX <= 20.2 mg/L Oct
006Nitrogen, ammonia total [as N]DAILY MX <= 18.4 mg/L Jun
006Nitrogen, ammonia total [as N]DAILY MX <= 23.1 mg/L Jul
006Nitrogen, ammonia total [as N]DAILY MX <= 22.7 mg/L Mar
006Nitrogen, ammonia total [as N]DAILY MX <= 22.7 mg/L Sep
006Nitrogen, ammonia total [as N]DAILY MX <= 17 mg/L Jan
006Nitrogen, ammonia total [as N]DAILY MX <= 24.9 mg/L Nov
006Nitrogen, ammonia total [as N]30DA AVG <= 121.6 lb/d May
006Nitrogen, ammonia total [as N]30DA AVG <= 77.4 lb/d Aug
006Nitrogen, ammonia total [as N]30DA AVG <= 155.7 lb/d Dec
006Nitrogen, ammonia total [as N]30DA AVG <= 91.3 lb/d Feb
006Nitrogen, ammonia total [as N]30DA AVG <= 106.4 lb/d Apr
006Nitrogen, ammonia total [as N]30DA AVG <= 111.1 lb/d Oct
006Nitrogen, ammonia total [as N]30DA AVG <= 100.8 lb/d Jun
006Nitrogen, ammonia total [as N]30DA AVG <= 85.5 lb/d Jul
006Nitrogen, ammonia total [as N]30DA AVG <= 151.7 lb/d Mar
006Nitrogen, ammonia total [as N]30DA AVG <= 88.2 lb/d Sep
006Nitrogen, ammonia total [as N]30DA AVG <= 127.2 lb/d Jan
006Nitrogen, ammonia total [as N]30DA AVG <= 105 lb/d Nov
006Nitrogen, ammonia total [as N]DAILY MX <= 628.4 lb/d May
006Nitrogen, ammonia total [as N]DAILY MX <= 764.9 lb/d Aug
006Nitrogen, ammonia total [as N]DAILY MX <= 648.2 lb/d Dec
006Nitrogen, ammonia total [as N]DAILY MX <= 806.4 lb/d Feb
006Nitrogen, ammonia total [as N]DAILY MX <= 552.8 lb/d Apr
006Nitrogen, ammonia total [as N]DAILY MX <= 699.1 lb/d Oct
006Nitrogen, ammonia total [as N]DAILY MX <= 638.3 lb/d Jun
006Nitrogen, ammonia total [as N]DAILY MX <= 764.9 lb/d Jul
006Nitrogen, ammonia total [as N]DAILY MX <= 784.5 lb/d Mar
006Nitrogen, ammonia total [as N]DAILY MX <= 784.5 lb/d Sep
006Nitrogen, ammonia total [as N]DAILY MX <= 589.8 lb/d Jan
006Nitrogen, ammonia total [as N]DAILY MX <= 862.3 lb/d Nov
006Nitrogen, nitrate total [as N]30DA AVG <= 342 lb/d all year
006Nitrogen, nitrate total [as N]DAILY MX <= 560 lb/d all year
006Nitrogen, Kjeldahl, total [as N]30DA AVG report only all year
006Nitrogen, Kjeldahl, total [as N]DAILY MX report only all year
006Nitrogen, Kjeldahl, total [as N]30DA AVG report only all year
006Nitrogen, Kjeldahl, total [as N]DAILY MX report only all year
006Phosphorus, total [as P]30DA AVG report only all year
006Phosphorus, total [as P]DAILY MX report only all year
006Phosphorus, total [as P]30DA AVG report only all year
006Phosphorus, total [as P]DAILY MX report only all year
006E. coliGEO MEAN <= 158 #/100mL Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov
006Toxicity [acute], Ceriodaphnia dubiaDAILY MX <= 1 N=0;Y=1 all year
006Toxicity [acute], Pimephales promelas [Fathead Minnow]DAILY MX <= 1 N=0;Y=1 all year
006BOD, carbonaceous [5 day, 20 C]30DA AVG <= 25 mg/L all year
006BOD, carbonaceous [5 day, 20 C]7 DA AVG <= 40 mg/L all year
006BOD, carbonaceous [5 day, 20 C]30DA AVG <= 865 lb/d all year
006BOD, carbonaceous [5 day, 20 C]7 DA AVG <= 1384 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