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Sewerage Systems, Houlton, Maine. NPDES permit MEU508219, in force until Aug 31, 2028. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | daily maximum | report only (mg/L) | May–Nov | 001 |
| pH | daily maximum | report only (SU) | May–Nov | 001 |
| Solids, total suspended | daily maximum | report only (mg/L) | May–Nov | 001 |
| Nitrogen, nitrate total [as N] | daily maximum | report only (mg/L) | May–Nov | 001 |
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) | May, Oct | MW2 |
| Specific conductance | daily maximum | report only (umho/cm) | May, Oct | MW2 |
| pH | daily maximum | report only (SU) | May, Oct | MW2 |
| Solids, total suspended | daily maximum | report only (mg/L) | May, Oct | MW2 |
| Nitrogen, nitrate total [as N] | daily maximum | ≤ 10 mg/L | May, Oct | MW2 |
| Chloride [as Cl] | daily maximum | report only (mg/L) | May, Oct | MW2 |
| Depth to water level ft below landsurface | daily maximum | report only (ft) | May, Aug, Oct | MW2 |
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) | May, Oct | MW3 |
| Specific conductance | daily maximum | report only (umho/cm) | May, Oct | MW3 |
| pH | daily maximum | report only (SU) | May, Oct | MW3 |
| Solids, total suspended | daily maximum | report only (mg/L) | May, Oct | MW3 |
| Nitrogen, nitrate total [as N] | daily maximum | ≤ 10 mg/L | May, Oct | MW3 |
| Chloride [as Cl] | daily maximum | report only (mg/L) | May, Oct | MW3 |
| Depth to water level ft below landsurface | daily maximum | report only (ft) | May, Aug, Oct | MW3 |
| Application rate, weekly spray irrigation. | weekly maximum | ≤ 62500 gal/acr | May–Nov | SF1 |
| Flow, total | monthly total | report only (gal/mo) | May–Nov | SF1 |
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/MEU508219 · MCP: https://passage-data.com/mcp