NPDES permit WI0021440 · Minor POTW · expired, expires 2022-06-30 · EPA's file as of 2026-09-19
Check this month's numbers before you fileSign-ups are not open yet. We counted that someone asked — not who, and not which permit — and we open them once enough people do. The check stays free.
This permit expired on 2022-06-30 and is expired: its last limits keep applying until a new permit is issued, and EPA still expects the reports.
Last period with anything received: 2026-06-30.
Reports are due about 15 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).
| Outfall | Parameter | Statistic | Limit | Months |
|---|---|---|---|---|
| 004 | Oxygen, dissolved [DO] | DAILY MN | >= 6 mg/L | Jun, Jul, Aug |
| 004 | Oxygen, dissolved [DO] | DAILY MN | >= 4 mg/L | Jan, Feb, Mar, Apr, May, Sep, Oct, Nov, Dec |
| 004 | BOD, 5-day, 20 deg. C | WKLY AVG | <= 23 mg/L | Jun, Jul, Aug |
| 004 | BOD, 5-day, 20 deg. C | WKLY AVG | <= 30 mg/L | Jan, Feb, Mar, Apr, May, Sep, Oct, Nov, Dec |
| 004 | BOD, 5-day, 20 deg. C | MO AVG | <= 20 mg/L | Jun, Jul, Aug |
| 004 | BOD, 5-day, 20 deg. C | MO AVG | <= 20 mg/L | Jan, Feb, Mar, Apr, May, Sep, Oct, Nov, Dec |
| 004 | BOD, 5-day, 20 deg. C | DAILY MX | report only | Jun, Jul, Aug |
| 004 | BOD, 5-day, 20 deg. C | MO AVG | report only | Jun, Jul, Aug |
| 004 | BOD, 5-day, 20 deg. C | WKLY AVG | <= 19 lb/d | Jun, Jul, Aug |
| 004 | pH | DAILY MN | >= 6 SU | all year |
| 004 | pH | DAILY MX | <= 9 SU | all year |
| 004 | Solids, total suspended | WKLY AVG | <= 23 mg/L | Jun, Jul, Aug |
| 004 | Solids, total suspended | WKLY AVG | <= 30 mg/L | Jan, Feb, Mar, Apr, May, Sep, Oct, Nov, Dec |
| 004 | Solids, total suspended | MO AVG | <= 20 mg/L | Jun, Jul, Aug |
| 004 | Solids, total suspended | MO AVG | <= 20 mg/L | Jan, Feb, Mar, Apr, May, Sep, Oct, Nov, Dec |
| 004 | Solids, total suspended | DAILY MX | report only | Jun, Jul, Aug |
| 004 | Nitrogen, ammonia total [as N] | WKLY AVG | <= 24 mg/L | Jul, Aug, Sep |
| 004 | Nitrogen, ammonia total [as N] | WKLY AVG | <= 29 mg/L | Oct |
| 004 | Nitrogen, ammonia total [as N] | WKLY AVG | <= 28 mg/L | Nov |
| 004 | Nitrogen, ammonia total [as N] | WKLY AVG | <= 31 mg/L | Dec |
| 004 | Nitrogen, ammonia total [as N] | WKLY AVG | <= 31 mg/L | Jan, Feb |
| 004 | Nitrogen, ammonia total [as N] | WKLY AVG | <= 28 mg/L | Mar |
| 004 | Nitrogen, ammonia total [as N] | WKLY AVG | <= 19 mg/L | Apr |
| 004 | Nitrogen, ammonia total [as N] | WKLY AVG | <= 28 mg/L | May, Jun |
| 004 | Nitrogen, ammonia total [as N] | MO AVG | <= 9.6 mg/L | Jul, Aug, Sep |
| 004 | Nitrogen, ammonia total [as N] | MO AVG | <= 16 mg/L | Oct |
| 004 | Nitrogen, ammonia total [as N] | MO AVG | <= 16 mg/L | Nov |
| 004 | Nitrogen, ammonia total [as N] | MO AVG | <= 16 mg/L | Dec |
| 004 | Nitrogen, ammonia total [as N] | MO AVG | <= 25 mg/L | Jan, Feb |
| 004 | Nitrogen, ammonia total [as N] | MO AVG | <= 11 mg/L | Mar |
| 004 | Nitrogen, ammonia total [as N] | MO AVG | <= 11 mg/L | Apr |
| 004 | Nitrogen, ammonia total [as N] | MO AVG | <= 11 mg/L | May, Jun |
| 004 | Nitrogen, ammonia total [as N] | DAILY MX | <= 21 mg/L | Jul, Aug, Sep |
| 004 | Nitrogen, ammonia total [as N] | DAILY MX | <= 21 mg/L | Oct |
| 004 | Nitrogen, ammonia total [as N] | DAILY MX | <= 21 mg/L | Nov |
| 004 | Nitrogen, ammonia total [as N] | DAILY MX | <= 21 mg/L | Dec |
| 004 | Nitrogen, ammonia total [as N] | DAILY MX | <= 37 mg/L | Jan, Feb |
| 004 | Nitrogen, ammonia total [as N] | DAILY MX | <= 21 mg/L | Mar |
| 004 | Nitrogen, ammonia total [as N] | DAILY MX | <= 21 mg/L | Apr |
| 004 | Nitrogen, ammonia total [as N] | DAILY MX | <= 21 mg/L | May, Jun |
| 004 | Phosphorus, total [as P] | MO AVG | report only | all year |
| 004 | Phosphorus, total [as P] | DAILY MX | report only | all year |
| 004 | Chloride [as Cl] | WKLY AVG | <= 680 mg/L | all year |
| 004 | Chloride [as Cl] | MO AVG | report only | all year |
| 004 | Flow, in conduit or thru treatment plant | MO AVG | report only | all year |
| 004 | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
| 704 | BOD, 5-day, 20 deg. C | MO AVG | report only | all year |
| 704 | BOD, 5-day, 20 deg. C | DAILY MX | report only | all year |
| 704 | Solids, total suspended | MO AVG | report only | all year |
| 704 | Solids, total suspended | DAILY MX | report only | all year |
| 704 | Flow, in conduit or thru treatment plant | MO AVG | report only | all year |
| 704 | Flow, in conduit or thru treatment plant | DAILY MX | report only | 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