NPDES permit IA0036072 · Minor POTW · effective, expires 2030-12-31 · EPA's file as of 2026-09-19
Check this month's numbers before you fileLast 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 |
|---|---|---|---|---|
| 004 | pH | DAILY MN | >= 6.5 SU | all year |
| 004 | pH | DAILY MX | <= 9 SU | all year |
| 004 | Solids, total suspended | 30DA AVG | <= 80 mg/L | all year |
| 004 | Solids, total suspended | 7 DA AVG | <= 120 mg/L | all year |
| 004 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 1.2 mg/L | Sep |
| 004 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 4.3 mg/L | Feb |
| 004 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 1 mg/L | Aug |
| 004 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 1.1 mg/L | Jul |
| 004 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 1.5 mg/L | Jun |
| 004 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 2.7 mg/L | Nov |
| 004 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 2.3 mg/L | Apr |
| 004 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 3.1 mg/L | Dec |
| 004 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 2.1 mg/L | May |
| 004 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 1.9 mg/L | Oct |
| 004 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 3.7 mg/L | Jan |
| 004 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 3.7 mg/L | Mar |
| 004 | Nitrogen, ammonia total [as N] | DAILY MX | <= 2.7 mg/L | Sep |
| 004 | Nitrogen, ammonia total [as N] | DAILY MX | <= 8.4 mg/L | Feb |
| 004 | Nitrogen, ammonia total [as N] | DAILY MX | <= 2.7 mg/L | Aug |
| 004 | Nitrogen, ammonia total [as N] | DAILY MX | <= 3.2 mg/L | Jul |
| 004 | Nitrogen, ammonia total [as N] | DAILY MX | <= 3.2 mg/L | Jun |
| 004 | Nitrogen, ammonia total [as N] | DAILY MX | <= 2.7 mg/L | Nov |
| 004 | Nitrogen, ammonia total [as N] | DAILY MX | <= 4.8 mg/L | Apr |
| 004 | Nitrogen, ammonia total [as N] | DAILY MX | <= 3.9 mg/L | Dec |
| 004 | Nitrogen, ammonia total [as N] | DAILY MX | <= 3.2 mg/L | May |
| 004 | Nitrogen, ammonia total [as N] | DAILY MX | <= 2.7 mg/L | Oct |
| 004 | Nitrogen, ammonia total [as N] | DAILY MX | <= 19.9 mg/L | Jan |
| 004 | Nitrogen, ammonia total [as N] | DAILY MX | <= 3.9 mg/L | Mar |
| 004 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 6.8 lb/d | Sep |
| 004 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 25.5 lb/d | Feb |
| 004 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 6.2 lb/d | Aug |
| 004 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 6.5 lb/d | Jul |
| 004 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 8.8 lb/d | Jun |
| 004 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 15.9 lb/d | Nov |
| 004 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 13.6 lb/d | Apr |
| 004 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 18.3 lb/d | Dec |
| 004 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 12.2 lb/d | May |
| 004 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 11.5 lb/d | Oct |
| 004 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 22 lb/d | Jan |
| 004 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 21.9 lb/d | Mar |
| 004 | Nitrogen, ammonia total [as N] | DAILY MX | <= 15.8 lb/d | Sep |
| 004 | Nitrogen, ammonia total [as N] | DAILY MX | <= 50 lb/d | Feb |
| 004 | Nitrogen, ammonia total [as N] | DAILY MX | <= 15.9 lb/d | Aug |
| 004 | Nitrogen, ammonia total [as N] | DAILY MX | <= 19.1 lb/d | Jul |
| 004 | Nitrogen, ammonia total [as N] | DAILY MX | <= 19.2 lb/d | Jun |
| 004 | Nitrogen, ammonia total [as N] | DAILY MX | <= 15.9 lb/d | Nov |
| 004 | Nitrogen, ammonia total [as N] | DAILY MX | <= 28.1 lb/d | Apr |
| 004 | Nitrogen, ammonia total [as N] | DAILY MX | <= 23.2 lb/d | Dec |
| 004 | Nitrogen, ammonia total [as N] | DAILY MX | <= 19.2 lb/d | May |
| 004 | Nitrogen, ammonia total [as N] | DAILY MX | <= 15.9 lb/d | Oct |
| 004 | Nitrogen, ammonia total [as N] | DAILY MX | <= 118.1 lb/d | Jan |
| 004 | Nitrogen, ammonia total [as N] | DAILY MX | <= 23.2 lb/d | Mar |
| 004 | E. coli | GEO MEAN | <= 229 #/100mL | Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 004 | BOD, carbonaceous [5 day, 20 C] | 30DA AVG | <= 25 mg/L | all year |
| 004 | BOD, carbonaceous [5 day, 20 C] | 7 DA AVG | <= 40 mg/L | 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