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Fish Hatcheries And Preserves, St Croix Falls, Wisconsin. NPDES permit WI0004201 expired Mar 31, 2023; its limits still apply. Last 12 months: no values over a limit, 33 required values missing. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | quarterly average | report only (mg/L) | all year | 001 |
| BOD, 5-day, 20 deg. C | quarterly maximum | report only (mg/L) | all year | 001 |
| pH | daily maximum | report only (SU) | all year | 001 |
| Solids, total suspended | quarterly average | report only (mg/L) | all year | 001 |
| Solids, total suspended | quarterly maximum | report only (mg/L) | all year | 001 |
| Phosphorus, total [as P] | rolling average | ≤ 1 mg/L | all year | 001 |
| Phosphorus, total [as P] | annual average | report only (lb/yr) | all year | 001 |
| Phosphorus, total [as P] | annual maximum | report only (lb/yr) | all year | 001 |
| Chloride [as Cl] | quarterly maximum | report only (mg/L) | all year | 001 |
| Flow, in conduit or thru treatment plant | quarterly average | report only (MGD) | all year | 001 |
| Flow, in conduit or thru treatment plant | quarterly maximum | report only (MGD) | all year | 001 |
| BOD, 5-day, 20 deg. C | quarterly average | report only (mg/L) | all year | 002 |
| BOD, 5-day, 20 deg. C | quarterly maximum | report only (mg/L) | all year | 002 |
| pH | daily maximum | report only (SU) | all year | 002 |
| Solids, total suspended | quarterly average | report only (mg/L) | all year | 002 |
| Solids, total suspended | quarterly maximum | report only (mg/L) | all year | 002 |
| Phosphorus, total [as P] | rolling average | ≤ 1 mg/L | all year | 002 |
| Phosphorus, total [as P] | annual average | report only (lb/yr) | all year | 002 |
| Phosphorus, total [as P] | annual maximum | report only (lb/yr) | all year | 002 |
| Chloride [as Cl] | quarterly maximum | report only (mg/L) | all year | 002 |
| Flow, in conduit or thru treatment plant | quarterly average | report only (MGD) | all year | 002 |
| Flow, in conduit or thru treatment plant | quarterly maximum | report only (MGD) | all year | 002 |
| BOD, 5-day, 20 deg. C | quarterly average | report only (mg/L) | all year | 003 |
| BOD, 5-day, 20 deg. C | quarterly maximum | report only (mg/L) | all year | 003 |
| pH | daily maximum | report only (SU) | all year | 003 |
| Solids, total suspended | quarterly average | report only (mg/L) | all year | 003 |
| Solids, total suspended | quarterly maximum | report only (mg/L) | all year | 003 |
| Phosphorus, total [as P] | rolling average | ≤ 1 mg/L | all year | 003 |
| Phosphorus, total [as P] | annual average | report only (lb/yr) | all year | 003 |
| Phosphorus, total [as P] | annual maximum | report only (lb/yr) | all year | 003 |
| Chloride [as Cl] | quarterly maximum | report only (mg/L) | all year | 003 |
| Flow, in conduit or thru treatment plant | quarterly average | report only (MGD) | all year | 003 |
| Flow, in conduit or thru treatment plant | quarterly maximum | report only (MGD) | all year | 003 |
| BOD, 5-day, 20 deg. C | quarterly average | report only (mg/L) | all year | 004 |
| BOD, 5-day, 20 deg. C | quarterly maximum | report only (mg/L) | all year | 004 |
| Solids, total suspended | quarterly average | report only (mg/L) | all year | 004 |
| Solids, total suspended | quarterly maximum | report only (mg/L) | all year | 004 |
| Phosphorus, total [as P] | annual average | report only (lb/yr) | all year | 004 |
| Phosphorus, total [as P] | annual maximum | report only (lb/yr) | all year | 004 |
| Chloride [as Cl] | quarterly maximum | report only (mg/L) | all year | 004 |
| Flow, in conduit or thru treatment plant | quarterly average | report only (MGD) | all year | 004 |
| Flow, in conduit or thru treatment plant | quarterly maximum | report only (MGD) | all year | 004 |
Cited limits by parameter: Wisconsin's rules and the federal ones.
Same industry: the 12 Fishing, Hunting and Trapping permits in Wisconsin.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/WI0004201 · MCP: https://passage-data.com/mcp