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Oxford Town of

Sewage treatment plant, Oxford, Maine. NPDES permit ME0102873, in force until Jun 30, 2031. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 001 form A monthly (33 values), outfall 002 form A monthly (2 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 1 of 12 reports late

Limits in force (35)

ParameterStatisticLimitMonthsOutfall
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year001
BOD, 5-day, 20 deg. Cdaily maximum≤ 50 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 63 lb/dall year001
BOD, 5-day, 20 deg. Cdaily maximum≤ 105 lb/dall year001
BOD, 5-day, 20 deg. Cweekly average≤ 45 mg/Lall year001
BOD, 5-day, 20 deg. Cweekly average≤ 94 lb/dall year001
pHminimum≥ 6 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 30 mg/Lall year001
Solids, total suspendeddaily maximum≤ 50 mg/Lall year001
Solids, total suspendedmonthly average≤ 63 lb/dall year001
Solids, total suspendeddaily maximum≤ 105 lb/dall year001
Solids, total suspendedweekly average≤ 45 mg/Lall year001
Solids, total suspendedweekly average≤ 94 lb/dall year001
Solids, settleabledaily maximum≤ .3 mL/Lall year001
Phosphorus, total [as P]monthly averagereport only (mg/L)Jun–Sep001
Phosphorus, total [as P]daily maximumreport only (mg/L)Jun–Sep001
Phosphorus, total [as P]monthly average≤ 1.1 lb/dJun–Sep001
Phosphorus, total [as P]daily maximumreport only (lb/d)Jun–Sep001
Copper, total [as Cu]monthly average≤ .097 lb/dall year001
Copper, total [as Cu]daily maximum≤ .052 lb/dall year001
Zinc, total [as Zn]monthly average≤ .0058 lb/dall year001
E. coli, thermotol, MF, MTECmonthly average≤ 100 #/100mLApr–Oct001
E. coli, thermotol, MF, MTECdaily maximum≤ 236 #/100mLApr–Oct001
Flow, in conduit or thru treatment plantmonthly average≤ .251 MGDall year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Analytical Chemistryvaluereport only (N=0;Y=1)all year001
BOD, 5-day, percent removalmonthly average minimum≥ 85 %all year001
Solids, suspended percent removalmonthly average minimum≥ 85 %all year001
NOEL Static Renewal 7Day Chronic Ceriodaphnia dubiavaluereport only (%)all year001
Noel Statre 10Day Chronic Salvel. Salmonidvaluereport only (%)all year001
NOAEL Static 48Hr Acute Ceriodaphnia dubiavaluereport only (%)all year001
NOAEL Static 48Hr Acute Salvel. Salmonidvaluereport only (%)all year001
Phosphorus, total [as P]monthly averagereport only (mg/L)Jun–Sep002
Phosphorus, total [as P]daily maximumreport only (mg/L)Jun–Sep002

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/ME0102873 · MCP: https://passage-data.com/mcp