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Passamaquoddy Tribal Council

Sewage treatment plant, Perry, Maine. NPDES permit ME0100773, in force until Jul 31, 2031. Last 12 months: no values over a limit, 1 of 12 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form A monthly (24 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 7 required values missing, 0 of 12 reports late

Limits in force (24)

ParameterStatisticLimitMonths
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year
BOD, 5-day, 20 deg. Cdaily maximum≤ 50 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 38 lb/dall year
BOD, 5-day, 20 deg. Cdaily maximum≤ 62 lb/dall year
BOD, 5-day, 20 deg. Cweekly average≤ 45 mg/Lall year
BOD, 5-day, 20 deg. Cweekly average≤ 56 lb/dall year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendeddaily maximum≤ 50 mg/Lall year
Solids, total suspendedmonthly average≤ 38 lb/dall year
Solids, total suspendeddaily maximum≤ 62 lb/dall year
Solids, total suspendedweekly average≤ 45 mg/Lall year
Solids, total suspendedweekly average≤ 56 lb/dall year
Solids, settleabledaily maximum≤ .3 mL/Lall year
Coliform, fecal MF, MFC broth, 44.5 Cmonthly geometric mean≤ 14 #/100mLMay–Sep
Coliform, fecal MF, MFC broth, 44.5 Cdaily maximum≤ 31 #/100mLMay–Sep
Flow, in conduit or thru treatment plantmonthly average≤ .15 MGDall year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Chlorine, total residualdaily maximum≤ .3 mg/Lall year
Enterococcimonthly geometric mean≤ 8 #/100mLApr–Oct
Enterococcidaily maximum≤ 54 #/100mLApr–Oct
BOD, 5-day, percent removalmonthly average minimum≥ 85 %all year
Solids, suspended percent removalmonthly average minimum≥ 85 %all year

How strict are these limits?

Cited limits by parameter: Maine's rules and the federal ones.

Check this month's numbers Email me before each report is due

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/ME0100773 · MCP: https://passage-data.com/mcp