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Kennebunkport Town of

Sewage treatment plant, major discharger, Kennebunkport, Maine. NPDES permit ME0101184, in force until Nov 30, 2026. Last 12 months: over a limit 7 times (last September 2026), 8 of 24 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form A monthly (30 values), form B monthly (3 values)
Renewal application due
Jun 3, 2026 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 7 of 24 reports late

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

Period endingParameterReportedLimitOver by
July 2026Coliform, fecal MF, MFC broth, 44.5 C, daily maximum58.9 #/100mL≤ 31 #/100mL90%
July 2026Coliform, fecal MF, MFC broth, 44.5 C, monthly geometric mean22 #/100mL≤ 14 #/100mL57%
July 2026Enterococci, monthly geometric mean17 #/100mL≤ 8 #/100mL113%
August 2026Coliform, fecal MF, MFC broth, 44.5 C, daily maximum53 #/100mL≤ 31 #/100mL71%
August 2026Coliform, fecal MF, MFC broth, 44.5 C, monthly geometric mean23 #/100mL≤ 14 #/100mL64%
August 2026Enterococci, monthly geometric mean12 #/100mL≤ 8 #/100mL50%
September 2026Enterococci, monthly geometric mean15 #/100mL≤ 8 #/100mL88%

Limits in force (36)

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≤ 175 lb/dall year
BOD, 5-day, 20 deg. Cdaily maximum≤ 292 lb/dall year
BOD, 5-day, 20 deg. Cweekly average≤ 45 mg/Lall year
BOD, 5-day, 20 deg. Cweekly average≤ 263 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≤ 175 lb/dall year
Solids, total suspendeddaily maximum≤ 292 lb/dall year
Solids, total suspendedweekly average≤ 45 mg/Lall year
Solids, total suspendedweekly average≤ 263 lb/dall year
Solids, settleabledaily maximum≤ .3 mL/Lall year
Copper, total [as Cu]daily maximumreport only (ug/L)all year
Copper, total [as Cu]daily maximum≤ .13 lb/dall year
Zinc, total [as Zn]daily maximumreport only (ug/L)all year
Zinc, total [as Zn]daily maximum≤ 2.2 lb/dall 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 plantmonthly average≤ .7 MGDall year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Chlorine, total residualdaily maximum≤ .056 mg/Lall year
Analytical Chemistryvaluereport only (N=0;Y=1)all year
Analytical Chemistryvaluereport only (N=0;Y=1)all year
Enterococcimonthly geometric mean≤ 8 #/100mLApr–Oct
Enterococcidaily maximum≤ 54 #/100mLApr–Oct
Mercury, total [as Hg]monthly average≤ 15.1 ng/Lall year
Mercury, total [as Hg]daily maximum≤ 22.7 ng/Lall year
BOD, 5-day, percent removalmonthly average minimum≥ 85 %all year
Solids, suspended percent removalmonthly average minimum≥ 85 %all year
NOEL Static 1Hr 20min Fert. Chronic Arbacia punctulatavaluereport only (%)all year
NOEL Static 1Hr 20min Fert. Chronic Arbacia punctulatavaluereport only (%)all year
NOAEL Static Renewal 48Hr Acute Americamysis bahia (formerly Mysidopsis bahia)valuereport only (%)all year
NOAEL Static Renewal 48Hr Acute Americamysis bahia (formerly Mysidopsis bahia)valuereport only (%)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/ME0101184 · MCP: https://passage-data.com/mcp