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Rsu #14

Elementary And Secondary Schools, Windham, Maine. NPDES permit ME0102751 expired Oct 31, 2022; its limits still apply. Last 12 months: over a limit 4 times (last September 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form A monthly (23 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

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

Period endingParameterReportedLimitOver by
April 2026pH, minimum3.6 SU≥ 6 SU—
July 2026E. coli, thermotol, MF, MTEC, monthly geometric mean71.7 #/100mL≤ 64 #/100mL12%
August 2026E. coli, thermotol, MF, MTEC, daily maximum1119.9 #/100mL≤ 427 #/100mL162%
September 2026Chlorine, total residual, daily maximum1.02 mg/L≤ 1 mg/L2%

Limits in force (23)

ParameterStatisticLimitMonths
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≤ 3.7 lb/dall year
Solids, total suspendeddaily maximum≤ 6.3 lb/dall year
Solids, total suspendedweekly average≤ 45 mg/Lall year
Solids, total suspendedweekly average≤ 5.6 lb/dall year
Solids, settleabledaily maximum≤ .3 mL/Lall year
E. coli, thermotol, MF, MTECmonthly geometric mean≤ 64 #/100mLMay–Sep
E. coli, thermotol, MF, MTECdaily maximum≤ 427 #/100mLMay–Sep
Flow, in conduit or thru treatment plantmonthly average≤ 25000 gal/dall year
Flow, in conduit or thru treatment plantdaily maximumreport only (gal/d)all year
Chlorine, total residualmonthly average≤ .95 mg/Lall year
Chlorine, total residualdaily maximum≤ 1 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/Lall year
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 45 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 3.1 lb/dall year
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 5.6 lb/dall year
BOD, carbonaceous [5 day, 20 C]weekly average≤ 40 mg/Lall year
BOD, carbonaceous [5 day, 20 C]weekly average≤ 5 lb/dall year
BOD, 5-day, percent removalmonthly average minimum≥ 65 %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/ME0102751 · MCP: https://passage-data.com/mcp