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Industrial or other facility, East Machias, Maine. NPDES permit ME0110523 expired Nov 30, 2024; its limits still apply. Last 12 months: no values over a limit, 1 of 12 reports late. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| BOD, 5-day, 20 deg. C | monthly average | ≤ 6 mg/L | May–Nov |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 10 mg/L | May–Nov |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 20 lb/d | May–Nov |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 33 lb/d | May–Nov |
| Solids, total suspended | monthly average | ≤ 6 mg/L | May–Nov |
| Solids, total suspended | daily maximum | ≤ 10 mg/L | May–Nov |
| Solids, total suspended | monthly average | ≤ 20 lb/d | May–Nov |
| Solids, total suspended | daily maximum | ≤ 33 lb/d | May–Nov |
| Nitrogen, total [as N] | monthly average | report only (mg/L) | May–Nov |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | May–Nov |
| Nitrogen, total [as N] | monthly average | report only (lb/d) | May–Nov |
| Nitrogen, total [as N] | daily maximum | report only (lb/d) | May–Nov |
| Biomass, fish | monthly average | report only (lb/d) | all year |
| Biomass, fish | daily maximum | report only (lb/d) | all year |
| Flow, in conduit or thru treatment plant | monthly average | ≤ .4 MGD | all year |
| Formalin | monthly average | report only (lb/d) | all year |
| Formalin | daily maximum | ≤ 50 lb/d | all year |
Cited limits by parameter: Maine'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/ME0110523 · MCP: https://passage-data.com/mcp