NPDES permit IA0075302 · Major POTW · effective, expires 2029-09-30 · EPA's file as of 2026-09-19
Check this month's numbers before you fileLast period with anything received: 2026-07-31. Most often over: pH (2), Nitrogen, ammonia total [as N] (1).
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).
| Outfall | Parameter | Statistic | Limit | Months |
|---|---|---|---|---|
| 001 | Oxygen, dissolved [DO] | DAILY MN | >= 5 mg/L | all year |
| 001 | BOD, 5-day, 20 deg. C | 30DA AVG | report only | all year |
| 001 | BOD, 5-day, 20 deg. C | DAILY MX | report only | all year |
| 001 | BOD, 5-day, 20 deg. C | 30DA AVG | report only | all year |
| 001 | BOD, 5-day, 20 deg. C | DAILY MX | report only | all year |
| 001 | pH | DAILY MN | >= 6.5 SU | all year |
| 001 | pH | DAILY MX | <= 9 SU | all year |
| 001 | pH | 30DA AVG | report only | all year |
| 001 | pH | DAILY MX | report only | all year |
| 001 | Solids, total suspended | 30DA AVG | <= 30 mg/L | all year |
| 001 | Solids, total suspended | 7 DA AVG | <= 45 mg/L | all year |
| 001 | Solids, total suspended | 30DA AVG | <= 326 lb/d | all year |
| 001 | Solids, total suspended | 7 DA AVG | <= 488 lb/d | all year |
| 001 | Solids, total suspended | 30DA AVG | report only | all year |
| 001 | Solids, total suspended | DAILY MX | report only | all year |
| 001 | Solids, total suspended | 30DA AVG | report only | all year |
| 001 | Solids, total suspended | DAILY MX | report only | all year |
| 001 | Nitrogen, total [as N] | 30DA AVG | <= 113.7 lb/d | all year |
| 001 | Nitrogen, total [as N] | DAILY MX | <= 186 lb/d | all year |
| 001 | Nitrogen, total [as N] | 30DA AVG | report only | all year |
| 001 | Nitrogen, total [as N] | DAILY MX | report only | all year |
| 001 | Nitrogen, total [as N] | 30DA AVG | report only | all year |
| 001 | Nitrogen, total [as N] | DAILY MX | report only | all year |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 2.5 mg/L | Mar |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 1.1 mg/L | Aug |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 1.2 mg/L | Jul |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 2.1 mg/L | May |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 3 mg/L | Dec |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 4.1 mg/L | Jan |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 1.8 mg/L | Apr |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 1.6 mg/L | Jun |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 1.9 mg/L | Oct |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 4.7 mg/L | Feb |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 1.3 mg/L | Sep |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 2.7 mg/L | Nov |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 4 mg/L | Mar |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 2.7 mg/L | Aug |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 3.3 mg/L | Jul |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 3.3 mg/L | May |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 3.9 mg/L | Dec |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 13 mg/L | Jan |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 4.8 mg/L | Apr |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 3.3 mg/L | Jun |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 2.7 mg/L | Oct |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 8.5 mg/L | Feb |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 2.7 mg/L | Sep |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 2.7 mg/L | Nov |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 24 lb/d | Mar |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 10.9 lb/d | Aug |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 11.4 lb/d | Jul |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 19.8 lb/d | May |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 28.2 lb/d | Dec |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 38.8 lb/d | Jan |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 17.3 lb/d | Apr |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 14.9 lb/d | Jun |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 17.7 lb/d | Oct |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 44.9 lb/d | Feb |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 12 lb/d | Sep |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 26.4 lb/d | Nov |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 73 lb/d | Mar |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 49.9 lb/d | Aug |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 60.3 lb/d | Jul |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 60.3 lb/d | May |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 73 lb/d | Dec |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 164.9 lb/d | Jan |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 88.6 lb/d | Apr |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 60.3 lb/d | Jun |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 49.9 lb/d | Oct |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 154.1 lb/d | Feb |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 49.9 lb/d | Sep |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 49.9 lb/d | Nov |
| 001 | Nitrogen, Kjeldahl, total [as N] | 30DA AVG | report only | all year |
| 001 | Nitrogen, Kjeldahl, total [as N] | DAILY MX | report only | all year |
| 001 | Nitrogen, Kjeldahl, total [as N] | 30DA AVG | report only | all year |
| 001 | Nitrogen, Kjeldahl, total [as N] | DAILY MX | report only | all year |
| 001 | Phosphorus, total [as P] | 30DA AVG | report only | all year |
| 001 | Phosphorus, total [as P] | DAILY MX | report only | all year |
| 001 | Phosphorus, total [as P] | 30DA AVG | report only | all year |
| 001 | Phosphorus, total [as P] | DAILY MX | report only | all year |
| 001 | Copper, total [as Cu] | 30DA AVG | <= .01045 mg/L | all year |
| 001 | Copper, total [as Cu] | DAILY MX | <= .02091 mg/L | all year |
| 001 | Copper, total [as Cu] | 30DA AVG | <= .1096 lb/d | all year |
| 001 | Copper, total [as Cu] | DAILY MX | <= .2193 lb/d | all year |
| 001 | E. coli | GEO MEAN | <= 126 #/100mL | Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 001 | Toxicity [acute], Ceriodaphnia dubia | DAILY MX | <= 1 N=0;Y=1 | all year |
| 001 | Toxicity [acute], Pimephales promelas [Fathead Minnow] | DAILY MX | <= 1 N=0;Y=1 | all year |
| 001 | BOD, carbonaceous [5 day, 20 C] | 30DA AVG | <= 25 mg/L | all year |
| 001 | BOD, carbonaceous [5 day, 20 C] | 7 DA AVG | <= 40 mg/L | all year |
| 001 | BOD, carbonaceous [5 day, 20 C] | 30DA AVG | <= 271 lb/d | all year |
| 001 | BOD, carbonaceous [5 day, 20 C] | 7 DA AVG | <= 434 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