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Fish Hatcheries And Preserves, Spooner, Wisconsin. NPDES permit WI0049191 expired Jun 30, 2022; its limits still apply. Last 12 months: no values over a limit, 18 required values missing. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Oxygen, dissolved [DO] | daily minimum | ≥ 4 mg/L | all year |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 7.3 mg/L | Jun–Oct |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 20 mg/L | Jan, Feb, Mar, Nov, Dec |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 15 mg/L | Apr, May |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 7.3 mg/L | Jun–Oct |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 20 mg/L | Jan, Feb, Mar, Nov, Dec |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 15 mg/L | Apr, May |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 12 mg/L | Jun–Oct |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 33 mg/L | Jan, Feb, Mar, Nov, Dec |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 25 mg/L | Apr, May |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 304 lb/d | Jun–Oct |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 500 lb/d | Jan, Feb, Mar, Nov, Dec |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 500 lb/d | Apr, May |
| pH | daily minimum | ≥ 6 SU | all year |
| pH | daily maximum | ≤ 9 SU | all year |
| Solids, total suspended | monthly average | ≤ 10 mg/L | all year |
| Solids, total suspended | daily maximum | ≤ 20 mg/L | all year |
| Phosphorus, total [as P] | annual average | report only (lb/yr) | all year |
| Phosphorus, total [as P] | annual maximum | report only (lb/yr) | all year |
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/WI0049191 · MCP: https://passage-data.com/mcp