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Calais City of

Elementary And Secondary Schools, Calais, Maine. NPDES permit ME0102765, in force until Feb 28, 2029. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form A monthly (21 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
1 value over a limit, 0 required values missing, 0 of 12 reports late

Limits in force (21)

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≤ 3.3 lb/dall year
BOD, 5-day, 20 deg. Cdaily maximum≤ 5.4 lb/dall year
BOD, 5-day, 20 deg. Cweekly average≤ 45 mg/Lall year
BOD, 5-day, 20 deg. Cweekly average≤ 4.9 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≤ 3.3 lb/dall year
Solids, total suspendeddaily maximum≤ 5.4 lb/dall year
Solids, total suspendedweekly average≤ 45 mg/Lall year
Solids, total suspendedweekly average≤ 4.9 lb/dall year
Solids, settleabledaily maximum≤ .3 mL/Lall year
Coliform, fecal MF, MFC broth, 44.5 Cmonthly geometric mean≤ 14 #/100mLall year
Coliform, fecal MF, MFC broth, 44.5 Cdaily maximum≤ 31 #/100mLall year
Flow, in conduit or thru treatment plantdaily maximum≤ 13000 gal/dall year
Chlorine, total residualdaily maximum≤ 1 mg/Lall year
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.

Same industry: the 7 Educational Services 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/ME0102765 · MCP: https://passage-data.com/mcp