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Van Buren Town of

Sewage treatment plant, major discharger, Van Buren, Maine. NPDES permit ME0100684 expired Nov 30, 2024; its limits still apply. Last 12 months: over a limit once (last April 2026), 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
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 2026Flow, in conduit or thru treatment plant, monthly average.64 MGD≤ .56 MGD14%

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≤ 140 lb/dall year
BOD, 5-day, 20 deg. Cdaily maximum≤ 234 lb/dall year
BOD, 5-day, 20 deg. Cweekly average≤ 45 mg/Lall year
BOD, 5-day, 20 deg. Cweekly average≤ 210 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≤ 140 lb/dall year
Solids, total suspendeddaily maximum≤ 234 lb/dall year
Solids, total suspendedweekly average≤ 45 mg/Lall year
Solids, total suspendedweekly average≤ 210 lb/dall year
Solids, settleabledaily maximum≤ .3 mL/Lall year
E. coli, thermotol, MF, MTECmonthly geometric mean≤ 126 #/100mLApr–Oct
E. coli, thermotol, MF, MTECdaily maximum≤ 949 #/100mLApr–Oct
Flow, in conduit or thru treatment plantmonthly average≤ .56 MGDall year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Chlorine, total residualdaily maximum≤ 1 mg/Lall year
Mercury, total [as Hg]weekly average≤ 16 ng/Lall year
Mercury, total [as Hg]daily maximum≤ 24 ng/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.

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/ME0100684 · MCP: https://passage-data.com/mcp