NPDES permit IA0041947 · Minor POTW · effective, expires 2030-09-30 · 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: Oxygen, dissolved [DO] (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 | >= 4.7 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 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 | <= 139 lb/d | all year |
| 001 | Solids, total suspended | 7 DA AVG | <= 208 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 | <= 1.7 mg/L | May |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 3.4 mg/L | Jan |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 4 mg/L | Feb |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 2.5 mg/L | Dec |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 1.3 mg/L | Jun |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 1 mg/L | Aug |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 1.1 mg/L | Sep |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 1.6 mg/L | Oct |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 1 mg/L | Jul |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 1.5 mg/L | Apr |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 2.3 mg/L | Nov |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 3.4 mg/L | Mar |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 12.1 mg/L | May |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 18.4 mg/L | Jan |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 15.7 mg/L | Feb |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 17 mg/L | Dec |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 13.3 mg/L | Jun |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 15.7 mg/L | Aug |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 17 mg/L | Sep |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 17 mg/L | Oct |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 13.3 mg/L | Jul |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 11.1 mg/L | Apr |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 14.4 mg/L | Nov |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 14.4 mg/L | Mar |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 8 lb/d | May |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 15.7 lb/d | Jan |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 18.3 lb/d | Feb |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 11.4 lb/d | Dec |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 6.1 lb/d | Jun |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 4.4 lb/d | Aug |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 4.9 lb/d | Sep |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 7.2 lb/d | Oct |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 4.6 lb/d | Jul |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 7 lb/d | Apr |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 10.7 lb/d | Nov |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 15.7 lb/d | Mar |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 56.1 lb/d | May |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 85.2 lb/d | Jan |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 72.6 lb/d | Feb |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 78.7 lb/d | Dec |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 61.3 lb/d | Jun |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 72.6 lb/d | Aug |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 78.7 lb/d | Sep |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 78.7 lb/d | Oct |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 61.3 lb/d | Jul |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 51.3 lb/d | Apr |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 66.7 lb/d | Nov |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 66.7 lb/d | Mar |
| 001 | E. coli | GEO MEAN | <= 217 #/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 | <= 116 lb/d | all year |
| 001 | BOD, carbonaceous [5 day, 20 C] | 7 DA AVG | <= 185 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