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Fish Hatcheries And Preserves, Casco, Maine. NPDES permit ME0001066, in force until Oct 31, 2029. Last 12 months: over a limit once (last September 2026), 4 of 16 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| September 2026 | Solids, total suspended, monthly average | 50 lb/d | ≤ 48 lb/d | 4% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Oxygen, dissolved [DO] | minimum | ≥ 7.5 mg/L | Jun–Sep | 005 |
| Oxygen, dissolved [DO] | monthly average | report only (mg/L) | Jun–Sep | 005 |
| Oxygen, dissolved [DO] | daily maximum | report only (mg/L) | Jun–Sep | 005 |
| Solids, total suspended | monthly average | ≤ 6 mg/L | all year | 005 |
| Solids, total suspended | daily maximum | ≤ 10 mg/L | all year | 005 |
| Solids, total suspended | monthly average | ≤ 48 lb/d | all year | 005 |
| Solids, total suspended | daily maximum | ≤ 246 lb/d | all year | 005 |
| Phosphorus, total [as P] | monthly average | ≤ .035 mg/L | Jun–Sep | 005 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | Jun–Sep | 005 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | Jun–Sep | 005 |
| Phosphorus, total [as P] | monthly total | report only (lb/mo) | all year | 005 |
| Phosphorus, total [as P] | annual total | ≤ 280 lb/yr | all year | 005 |
| Biomass, fish | daily maximum | report only (lb/d) | all year | 005 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 005 |
| Flow, in conduit or thru treatment plant | daily maximum | ≤ 4.752 MGD | all year | 005 |
| Formalin | monthly average | report only (mg/L) | all year | 005 |
| Formalin | daily maximum | report only (mg/L) | all year | 005 |
| Formalin | monthly average | report only (lb/d) | all year | 005 |
| Formalin | daily maximum | ≤ 75 lb/d | all year | 005 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | Jun–Sep | AMB |
Cited limits by parameter: Maine's rules and the federal ones.
Same industry: the 17 Fishing, Hunting and Trapping permits in Maine.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/ME0001066 · MCP: https://passage-data.com/mcp