NPDES permit IA0058190 · Minor POTW · effective, expires 2028-10-31 · EPA's file as of 2026-09-19
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Last period with anything received: 2026-07-31.
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 | >= 3.1 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 | >= 6.2 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 | <= 50 lb/d | all year |
| 001 | Solids, total suspended | 7 DA AVG | <= 75 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, ammonia total [as N] | 30DA AVG | <= 15.4 mg/L | Jan |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 3.7 mg/L | Aug |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 10.5 mg/L | Nov |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 5.6 mg/L | May |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 16.2 mg/L | Feb |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 15.1 mg/L | Mar |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 4.1 mg/L | Jul |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 6.6 mg/L | Apr |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 11.2 mg/L | Dec |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 4.2 mg/L | Sep |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 3.7 mg/L | Jun |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 7 mg/L | Oct |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 17 mg/L | Jan |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 17.7 mg/L | Aug |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 16.1 mg/L | Nov |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 16.6 mg/L | May |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 16.2 mg/L | Feb |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 16.5 mg/L | Mar |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 19.3 mg/L | Jul |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 17.2 mg/L | Apr |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 17.5 mg/L | Dec |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 18.1 mg/L | Sep |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 15.8 mg/L | Jun |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 17.2 mg/L | Oct |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 23.7 lb/d | Jan |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 5.8 lb/d | Aug |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 16.1 lb/d | Nov |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 8.7 lb/d | May |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 25.7 lb/d | Feb |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 23.2 lb/d | Mar |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 6.3 lb/d | Jul |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 10.2 lb/d | Apr |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 17.2 lb/d | Dec |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 6.6 lb/d | Sep |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 5.8 lb/d | Jun |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 10.8 lb/d | Oct |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 27 lb/d | Jan |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 22.9 lb/d | Aug |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 25.6 lb/d | Nov |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 26.4 lb/d | May |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 25.7 lb/d | Feb |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 25.9 lb/d | Mar |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 21.5 lb/d | Jul |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 27.3 lb/d | Apr |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 27.9 lb/d | Dec |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 25.9 lb/d | Sep |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 25.2 lb/d | Jun |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 27.5 lb/d | Oct |
| 001 | E. coli | 30DA AVG | <= 126 #/100mL | Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 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 | <= 42 lb/d | all year |
| 001 | BOD, carbonaceous [5 day, 20 C] | 7 DA AVG | <= 67 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