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Greater Augusta Utility District

Sewage treatment plant, major discharger, Augusta, Maine. NPDES permit ME0100013 expired Dec 31, 2020; its limits still apply. Last 12 months: over a limit 3 times (last May 2026), 3 of 36 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form A monthly (26 values), form B monthly (15 values), form C monthly (11 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 1 of 36 reports late

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

Period endingParameterReportedLimitOver by
April 2026Solids, settleable, daily maximum1.1 mL/L≤ .3 mL/L267%
May 2026BOD, carbonaceous [5 day, 20 C], daily maximum83 mg/L≤ 45 mg/L84%
May 2026BOD, carbonaceous [5 day, 20 C], weekly average44 mg/L≤ 40 mg/L10%

Limits in force (54)

ParameterStatisticLimitMonths
Flow rateminimumreport only (gal/min)all year
pHminimum≥ 6 SUall year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Solids, total suspendeddaily maximum≤ 50 mg/Lall year
Solids, total suspendeddaily maximumreport only (mg/L)all year
Solids, total suspendeddaily maximumreport only (mg/L)all year
Solids, total suspendedmonthly average≤ 2002 lb/dall year
Solids, total suspendedmonthly averagereport only (lb/d)all year
Solids, total suspendedmonthly averagereport only (lb/d)all year
Solids, total suspendeddaily maximumreport only (lb/d)all year
Solids, total suspendeddaily maximumreport only (lb/d)all year
Solids, total suspendeddaily maximumreport only (lb/d)all year
Solids, total suspendeddaily maximumreport only (mg/L)all year
Solids, total suspendedweekly average≤ 45 mg/Lall year
Solids, total suspendedweekly average≤ 3002 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 #/100mLall year
E. coli, thermotol, MF, MTECdaily maximumreport only (#/100mL)May–Sep
E. coli, thermotol, MF, MTECdaily maximum≤ 427 #/100mLMay–Sep
Flow, in conduit or thru treatment plantmonthly totalreport only (MGD)all year
Flow, in conduit or thru treatment plantmonthly totalreport only (MGD)all year
Flow, in conduit or thru treatment plantmonthly average≤ 8 MGDall year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Chlorine, total residualdaily maximumreport only (mg/L)May–Sep
Chlorine, total residualdaily maximum≤ .82 mg/Lall year
Surface loading ratedaily maximumreport only (gal/d/ft2)all year
Mercury, total [as Hg]monthly average≤ 15.7 ng/Lall year
Mercury, total [as Hg]daily maximum≤ 23.6 ng/Lall year
Overflowsmonthly averagereport only (occur/mo)all year
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all year
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/Lall year
BOD, carbonaceous [5 day, 20 C]daily maximumreport only (mg/L)all year
BOD, carbonaceous [5 day, 20 C]daily maximumreport only (mg/L)all year
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 45 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (lb/d)all year
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (lb/d)all year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 1668 lb/dall year
BOD, carbonaceous [5 day, 20 C]daily maximumreport only (lb/d)all year
BOD, carbonaceous [5 day, 20 C]daily maximumreport only (lb/d)all year
BOD, carbonaceous [5 day, 20 C]daily maximumreport only (lb/d)all year
BOD, carbonaceous [5 day, 20 C]daily maximumreport only (mg/L)all year
BOD, carbonaceous [5 day, 20 C]weekly average≤ 40 mg/Lall year
BOD, carbonaceous [5 day, 20 C]weekly average≤ 2668 lb/dall year
Solids, suspended percent removalmonthly average minimum≥ 85 %all year
Carbonaceous oxygen demand, % removalmonthly average minimum≥ 85 %all year

How strict are these limits?

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

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/ME0100013 · MCP: https://passage-data.com/mcp