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Sewage treatment plant, major discharger, Kenosha, Wisconsin. NPDES permit WI0028703 expired Dec 31, 2023; its limits still apply. Last 12 months: no values over a limit, 125 required values missing, 6 of 34 reports late. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | weekly average | ≤ 45 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 30 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | daily maximum | report only (mg/L) | all year | 001 |
| pH | daily minimum | ≥ 6 SU | all year | 001 |
| pH | daily maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | weekly average | ≤ 45 mg/L | all year | 001 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 001 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 001 |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 16.2 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 16.2 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | May–Oct | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 16.2 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | May–Oct | 001 |
| Phosphorus, total [as P] | monthly average | ≤ 1 mg/L | all year | 001 |
| Phosphorus, total [as P] | monthly average | report only (lb/d) | all year | 001 |
| Arsenic, total recoverable | daily maximum | report only (ug/L) | all year | 001 |
| Arsenic, total recoverable | quarterly maximum | report only (ug/L) | all year | 001 |
| Nickel, total recoverable | daily maximum | report only (ug/L) | all year | 001 |
| Zinc, total recoverable | daily maximum | report only (ug/L) | all year | 001 |
| Cadmium, total recoverable | daily maximum | report only (ug/L) | all year | 001 |
| Lead, total recoverable | daily maximum | report only (ug/L) | all year | 001 |
| Chromium, total recoverable | daily maximum | report only (ug/L) | all year | 001 |
| Copper, total recoverable | daily maximum | report only (ug/L) | all year | 001 |
| Chlorine, total residual | weekly average | ≤ 38 ug/L | all year | 001 |
| Chlorine, total residual | monthly average | ≤ 38 ug/L | all year | 001 |
| Chlorine, total residual | daily maximum | ≤ 38 ug/L | all year | 001 |
| E. coli | monthly average | report only (#/100mL) | all year | 001 |
| E. coli | daily maximum | report only (#/100mL) | all year | 001 |
| Mercury, total recoverable | daily maximum | ≤ 3 ng/L | all year | 001 |
| Coliform, fecal general | weekly geometric mean | ≤ 848 #/100mL | all year | 001 |
| Coliform, fecal general | geometric mean | ≤ 400 #/100mL | all year | 001 |
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) | all year | 004 |
| BOD, 5-day, 20 deg. C | daily maximum | report only (mg/L) | all year | 004 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 004 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 004 |
| Flow, wastewater by-passing trtmnt plant | monthly average | report only (gal/d) | all year | 004 |
| Flow, wastewater by-passing trtmnt plant | daily maximum | report only (gal/d) | all year | 004 |
| Coliform, fecal general | geometric mean | report only (#/100mL) | all year | 004 |
| Coliform, fecal general | daily maximum | report only (#/100mL) | all year | 004 |
| Bypass of treatment | monthly average | report only (hr/d) | all year | 004 |
| Bypass of treatment | daily maximum | report only (hr/d) | all year | 004 |
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) | all year | 701 |
| BOD, 5-day, 20 deg. C | daily maximum | report only (mg/L) | all year | 701 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 701 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 701 |
| Nickel, total recoverable | daily maximum | report only (ug/L) | all year | 701 |
| Zinc, total recoverable | daily maximum | report only (ug/L) | all year | 701 |
| Cadmium, total recoverable | daily maximum | report only (ug/L) | all year | 701 |
| Lead, total recoverable | daily maximum | report only (ug/L) | all year | 701 |
| Chromium, total recoverable | daily maximum | report only (ug/L) | all year | 701 |
| Copper, total recoverable | daily maximum | report only (ug/L) | all year | 701 |
| Rainfall | daily maximum | report only (in) | all year | 701 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 701 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 701 |
| Mercury, total recoverable | daily maximum | report only (ng/L) | all year | 701 |
Cited limits by parameter: Wisconsin's rules and the federal ones.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/WI0028703 · MCP: https://passage-data.com/mcp