NPDES permit IA0025933 · Major POTW · administratively continued, expires 2025-07-31 · EPA's file as of 2026-09-19
Check this month's numbers before you fileThis permit expired on 2025-07-31 and is administratively continued: its last limits keep applying until a new permit is issued, and EPA still expects the reports.
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 | 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 | >= 6.1 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 | <= 379 lb/d | all year |
| 001 | Solids, total suspended | 7 DA AVG | <= 569 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 | 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, 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 | <= 9.7 mg/L | Oct |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 4.7 mg/L | Sep |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 17.9 mg/L | Jan |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 6.2 mg/L | May |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 4.1 mg/L | Jun |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 15.4 mg/L | Dec |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 10.4 mg/L | Mar |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 17.4 mg/L | Feb |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 4.2 mg/L | Aug |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 13 mg/L | Nov |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 7.4 mg/L | Apr |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 4.7 mg/L | Jul |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 17.7 mg/L | Oct |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 18.6 mg/L | Sep |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 17.9 mg/L | Jan |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 16.9 mg/L | May |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 16.2 mg/L | Jun |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 18 mg/L | Dec |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 17 mg/L | Mar |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 17.4 mg/L | Feb |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 18 mg/L | Aug |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 16.4 mg/L | Nov |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 17.5 mg/L | Apr |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 19.6 mg/L | Jul |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 67 lb/d | Oct |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 38 lb/d | Sep |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 147.5 lb/d | Jan |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 49 lb/d | May |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 33 lb/d | Jun |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 106.7 lb/d | Dec |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 79 lb/d | Mar |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 169.4 lb/d | Feb |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 31 lb/d | Aug |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 99 lb/d | Nov |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 57 lb/d | Apr |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 34 lb/d | Jul |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 210 lb/d | Oct |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 221 lb/d | Sep |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 208 lb/d | Jan |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 202 lb/d | May |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 192 lb/d | Jun |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 214 lb/d | Dec |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 199 lb/d | Mar |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 198 lb/d | Feb |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 215 lb/d | Aug |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 196 lb/d | Nov |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 209 lb/d | Apr |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 234 lb/d | Jul |
| 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 | 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 | E. coli | GEO MEAN | <= 126 #/100mL | Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 001 | Toxicity [acute], Ceriodaphnia dubia | 30DA AVG | <= 1 N=0;Y=1 | all year |
| 001 | Toxicity [acute], Pimephales promelas [Fathead Minnow] | 30DA AVG | <= 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 | <= 316 lb/d | all year |
| 001 | BOD, carbonaceous [5 day, 20 C] | 7 DA AVG | <= 505 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