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City of Gloucester

Sewage treatment plant, major discharger, Gloucester, Massachusetts. NPDES permit MA0100625, in force until Aug 31, 2027. Last 12 months: over a limit 39 times (last September 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 001 form A monthly (36 values), outfall 001 form T quarterly (11 values), outfall 001 form TA quarterly (11 values), outfall 002 form A monthly (3 values), outfall 004 form A monthly (3 values), outfall 005 form A monthly (3 values), and 4 more forms
Renewal application due
Mar 4, 2027 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
43 values over a limit, 0 required values missing, 0 of 80 reports late

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

All 39 values over a limit
Period endingParameterReportedLimitOver by
October 2025Hydrocarbons, petroleum, daily maximum10 mg/L≤ 4.99 mg/L100%
October 2025Oil & Grease, daily maximum48 mg/L≤ 25 mg/L92%
November 2025Coliform, fecal general, daily maximum550 MPN/100mL≤ 400 MPN/100mL38%
November 2025Hydrocarbons, petroleum, daily maximum6 mg/L≤ 4.99 mg/L20%
November 2025Oil & Grease, daily maximum49 mg/L≤ 25 mg/L96%
December 2025Coliform, fecal general, daily maximum1150 MPN/100mL≤ 400 MPN/100mL188%
December 2025Hydrocarbons, petroleum, daily maximum11 mg/L≤ 4.99 mg/L120%
December 2025LC50 Static 48Hr Acute Americamysis bahia (formerly Mysidopsis bahia), monthly average minimum34.9 %≥ 100 %65%
December 2025LC50 Static 48Hr Acute Menidia, monthly average minimum27.2 %≥ 100 %73%
December 2025Oil & Grease, daily maximum44 mg/L≤ 25 mg/L76%
January 2026Hydrocarbons, petroleum, daily maximum21 mg/L≤ 4.99 mg/L321%
January 2026Oil & Grease, daily maximum30 mg/L≤ 25 mg/L20%
February 2026Hydrocarbons, petroleum, daily maximum6 mg/L≤ 4.99 mg/L20%
February 2026Oil & Grease, daily maximum29 mg/L≤ 25 mg/L16%
March 2026Hydrocarbons, petroleum, daily maximum9 mg/L≤ 4.99 mg/L80%
March 2026LC50 Static 48Hr Acute Americamysis bahia (formerly Mysidopsis bahia), monthly average minimum86.8 %≥ 100 %13%
March 2026LC50 Static 48Hr Acute Menidia, monthly average minimum46.7 %≥ 100 %53%
March 2026pH, minimum6.4 SU≥ 6.5 SU—
April 2026Coliform, fecal general, daily maximum2250 MPN/100mL≤ 400 MPN/100mL463%
April 2026Hydrocarbons, petroleum, daily maximum10 mg/L≤ 4.99 mg/L100%
May 2026Coliform, fecal general, daily maximum1610 MPN/100mL≤ 400 MPN/100mL303%
May 2026Hydrocarbons, petroleum, daily maximum17 mg/L≤ 4.99 mg/L241%
May 2026Oil & Grease, daily maximum28 mg/L≤ 25 mg/L12%
June 2026Coliform, fecal general, daily maximum3000 MPN/100mL≤ 400 MPN/100mL650%
June 2026Hydrocarbons, petroleum, daily maximum8 mg/L≤ 4.99 mg/L60%
June 2026LC50 Static 48Hr Acute Americamysis bahia (formerly Mysidopsis bahia), monthly average minimum65.5 %≥ 100 %35%
June 2026LC50 Static 48Hr Acute Menidia, monthly average minimum32.9 %≥ 100 %67%
July 2026Coliform, fecal general, daily maximum2140 MPN/100mL≤ 400 MPN/100mL435%
July 2026Hydrocarbons, petroleum, daily maximum30 mg/L≤ 4.99 mg/L501%
July 2026Oil & Grease, daily maximum35 mg/L≤ 25 mg/L40%
August 2026BOD, 5-day, 20 deg. C, daily maximum410 mg/L≤ 367 mg/L12%
August 2026Coliform, fecal general, daily maximum3000 MPN/100mL≤ 400 MPN/100mL650%
August 2026Hydrocarbons, petroleum, daily maximum16 mg/L≤ 4.99 mg/L221%
August 2026Oil & Grease, daily maximum35 mg/L≤ 25 mg/L40%
September 2026Coliform, fecal general, daily maximum> 3000 MPN/100mL≤ 400 MPN/100mL—
September 2026Hydrocarbons, petroleum, daily maximum16 mg/L≤ 4.99 mg/L221%
September 2026LC50 Static 48Hr Acute Americamysis bahia (formerly Mysidopsis bahia), monthly average minimum19 %≥ 100 %81%
September 2026LC50 Static 48Hr Acute Menidia, monthly average minimum8.96 %≥ 100 %91%
September 2026Oil & Grease, daily maximum42 mg/L≤ 25 mg/L68%

Limits in force (105)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. centigradedaily maximumreport only (deg C)all year001
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 245 mg/Lall year001
BOD, 5-day, 20 deg. Cweekly average≤ 45 mg/Lall year001
BOD, 5-day, 20 deg. Cweekly averagereport only (mg/L)all year001
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year001
BOD, 5-day, 20 deg. Cdaily maximum≤ 367 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 1181 lb/dall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 10520 lb/dall year001
BOD, 5-day, 20 deg. Cdaily maximum≤ 2717 lb/dall year001
BOD, 5-day, 20 deg. Cweekly averagereport only (lb/d)all year001
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year001
pHminimum≥ 6.5 SUall year001
pHmaximum≤ 8.5 SUall year001
pHdaily maximumreport only (SU)all year001
Salinitydaily maximumreport only (ppt)all year001
Salinitydaily maximumreport only (ppt)all year001
Solids, total suspendedmonthly average≤ 30 mg/Lall year001
Solids, total suspendedmonthly average≤ 140 mg/Lall year001
Solids, total suspendedweekly average≤ 45 mg/Lall year001
Solids, total suspendedweekly averagereport only (mg/L)all year001
Solids, total suspendeddaily maximumreport only (mg/L)all year001
Solids, total suspendeddaily maximum≤ 210 mg/Lall year001
Solids, total suspendedmonthly average≤ 1811 lb/dall year001
Solids, total suspendedmonthly average≤ 6010 lb/dall year001
Solids, total suspendeddaily maximum≤ 2717 lb/dall year001
Solids, total suspendedweekly averagereport only (lb/d)all year001
Solids, total suspendedmonthly averagereport only (mg/L)all year001
Oil & Greasedaily maximum≤ 4.99 mg/Lall year001
Oil & Greasedaily maximum≤ 25 mg/Lall year001
Nitrogen, total [as N]monthly averagereport only (mg/L)all year001
Nitrogen, total [as N]daily maximumreport only (mg/L)all year001
Nitrogen, total [as N]monthly averagereport only (lb/d)all year001
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all year001
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year001
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year001
Nitrogen, ammonia total [as N]monthly averagereport only (lb/d)all year001
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year001
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all year001
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)all year001
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)all year001
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)all year001
Carbon, tot organic [TOC]daily maximumreport only (mg/L)all year001
Carbon, tot organic [TOC]daily maximumreport only (mg/L)all year001
Cadmium, total [as Cd]daily maximumreport only (mg/L)all year001
Cadmium, total [as Cd]daily maximumreport only (mg/L)all year001
Copper, total [as Cu]daily maximumreport only (mg/L)all year001
Copper, total [as Cu]daily maximumreport only (mg/L)all year001
Lead, total [as Pb]daily maximumreport only (mg/L)all year001
Lead, total [as Pb]daily maximumreport only (mg/L)all year001
Nickel, total [as Ni]daily maximumreport only (mg/L)all year001
Nickel, total [as Ni]daily maximumreport only (mg/L)all year001
Zinc, total [as Zn]daily maximumreport only (mg/L)all year001
Zinc, total [as Zn]daily maximumreport only (mg/L)all year001
Aluminum, total [as Al]daily maximumreport only (mg/L)all year001
Aluminum, total [as Al]daily maximumreport only (mg/L)all year001
Flow, in conduit or thru treatment plantrolling average≤ 5.15 MGDall year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Chlorine, total residualmonthly average≤ .48 mg/Lall year001
Chlorine, total residualweekly average≤ .83 mg/Lall year001
Enterococcimonthly geometric mean≤ 35 MPN/100mLall year001
Enterococcimonthly geometric meanreport only (MPN/100mL)all year001
Enterococcidaily maximum≤ 130 MPN/100mLall year001
Enterococcidaily maximumreport only (MPN/100mL)all year001
Coliform, fecal generalmonthly geometric mean≤ 14 MPN/100mLall year001
Coliform, fecal generalmonthly geometric mean≤ 200 MPN/100mLall year001
Coliform, fecal generaldaily maximum≤ 28 MPN/100mLall year001
Coliform, fecal generaldaily maximum≤ 400 MPN/100mLall year001
BOD, 5-day, percent removalmonthly average minimum≥ 85 %all year001
BOD, 5-day, percent removalmonthly average minimumreport only (%)all year001
Solids, suspended percent removalmonthly average minimum≥ 85 %all year001
Solids, suspended percent removalmonthly average minimumreport only (%)all year001
Hydrocarbons, petroleumdaily maximum≤ 4.99 mg/Lall year001
LC50 Static 48Hr Acute Americamysis bahia (formerly Mysidopsis bahia)monthly average minimum≥ 100 %all year001
LC50 Static 48Hr Acute Menidiamonthly average minimum≥ 100 %all year001
Flow ratemonthly totalreport only (gal/mo)all year002
Durationmonthly totalreport only (hr/mo)all year002
Number of Eventsmonthly totalreport only (#)all year002
Flow ratemonthly totalreport only (gal/mo)all year004
Durationmonthly totalreport only (hr/mo)all year004
Number of Eventsmonthly totalreport only (#)all year004
Flow ratemonthly totalreport only (gal/mo)all year005
Durationmonthly totalreport only (hr/mo)all year005
Number of Eventsmonthly totalreport only (#)all year005
Flow ratemonthly totalreport only (gal/mo)all year006A
Durationmonthly totalreport only (hr/mo)all year006A
Number of Eventsmonthly totalreport only (#)all year006A
Perfluorooctanoic acid (PFOA)daily maximumreport only (ng/L)all yearPFAS
Perfluorooctanoic acid (PFOA)daily maximumreport only (ng/L)all yearPFAS
Perfluorooctanoic acid (PFOA)daily maximumreport only (ng/g)all yearPFAS
Perfluorooctanesulfonatedaily maximumreport only (ng/L)all yearPFAS
Perfluorooctanesulfonatedaily maximumreport only (ng/g)all yearPFAS
Perfluoroheptanoic acid (PFHpA)daily maximumreport only (ng/L)all yearPFAS
Perfluoroheptanoic acid (PFHpA)daily maximumreport only (ng/L)all yearPFAS
Perfluoroheptanoic acid (PFHpA)daily maximumreport only (ng/g)all yearPFAS
Perfluorononanoic acid (PFNA)daily maximumreport only (ng/L)all yearPFAS
Perfluorodecanoic acid (PFDA)daily maximumreport only (ng/L)all yearPFAS
Perfluorodecanoic acid (PFDA)daily maximumreport only (ng/L)all yearPFAS
Perfluorodecanoic acid (PFDA)daily maximumreport only (ng/g)all yearPFAS
Perfluorohexanesulfonic acid (PFHxS)daily maximumreport only (ng/L)all yearPFAS
Perfluorohexanesulfonic acid (PFHxS)daily maximumreport only (ng/L)all yearPFAS
Perfluorohexanesulfonic acid (PFHxS)daily maximumreport only (ng/g)all yearPFAS
Perfluorooctanesulfonic acid (PFOS)daily maximumreport only (ng/L)all yearPFAS
Perfluorooctanesulfonic acid (PFOS)daily maximumreport only (ng/L)all yearPFAS
Perfluorooctanesulfonic acid (PFOS)daily maximumreport only (ng/g)all yearPFAS

How strict are these limits?

Cited limits by parameter: Massachusetts'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/MA0100625 · MCP: https://passage-data.com/mcp