NPDES permit IA0063991 · Minor NON-POTW · effective, expires 2027-03-31 · 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: E. coli (1), Solids, total suspended (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 | <= 13 lb/d | all year |
| 001 | Solids, total suspended | 7 DA AVG | <= 19 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 | <= 2.5 mg/L | Dec |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 3.4 mg/L | Jan |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 1.7 mg/L | May |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 1.1 mg/L | Sep |
| 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 | <= 1.6 mg/L | Oct |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 4 mg/L | Feb |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 1 mg/L | Aug |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 1.3 mg/L | Jun |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 3.4 mg/L | Mar |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 16 mg/L | Dec |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 15.2 mg/L | Jan |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 15.2 mg/L | May |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 16.5 mg/L | Sep |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 17.6 mg/L | Jul |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 15.7 mg/L | Apr |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 14.7 mg/L | Nov |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 15.7 mg/L | Oct |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 14.2 mg/L | Feb |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 16.2 mg/L | Aug |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 14.4 mg/L | Jun |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 14.7 mg/L | Mar |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 1 lb/d | Dec |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 1.4 lb/d | Jan |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= .7 lb/d | May |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= .4 lb/d | Sep |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= .4 lb/d | Jul |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= .6 lb/d | Apr |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 1 lb/d | Nov |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= .6 lb/d | Oct |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 1.6 lb/d | Feb |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= .4 lb/d | Aug |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= .5 lb/d | Jun |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 1.4 lb/d | Mar |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 6.7 lb/d | Dec |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 6.3 lb/d | Jan |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 6.3 lb/d | May |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 6.9 lb/d | Sep |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 7.3 lb/d | Jul |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 6.5 lb/d | Apr |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 6.1 lb/d | Nov |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 6.5 lb/d | Oct |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 5.9 lb/d | Feb |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 6.8 lb/d | Aug |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 6 lb/d | Jun |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 6.1 lb/d | Mar |
| 001 | Chloride [as Cl] | 30DA AVG | report only | all year |
| 001 | Chloride [as Cl] | DAILY MX | report only | all year |
| 001 | Chloride [as Cl] | 30DA AVG | report only | all year |
| 001 | Chloride [as Cl] | DAILY MX | report only | all year |
| 001 | E. coli | GEO MEAN | <= 630 #/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 | <= 10 lb/d | all year |
| 001 | BOD, carbonaceous [5 day, 20 C] | 7 DA AVG | <= 17 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