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Chicopee W P C F

Sewage treatment plant, major discharger, Chicopee, Massachusetts. NPDES permit MA0101508, in force until Jan 31, 2027. Last 12 months: over a limit 47 times (last September 2026), 15 required values missing, 2 of 254 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 003 form A monthly (3 values), outfall 004 form A monthly (3 values), outfall 005 form A monthly (3 values), outfall 007 form A monthly (14 values), outfall 007 form FD monthly (4 values), outfall 007 form N quarterly (10 values), and 21 more forms
Renewal application due
Aug 4, 2026 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
56 values over a limit, 20 required values missing, 0 of 254 reports late

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

All 47 values over a limit
Period endingOutfallParameterReportedLimitOver by
October 2025007E. coli, monthly average174 CFU/100mL≤ 126 CFU/100mL38%
October 2025010Aluminum, total [as Al], monthly average173 ug/L≤ 87 ug/L99%
October 2025010BOD, 5-day, 20 deg. C, monthly average4011 lb/d≤ 3878 lb/d3%
October 2025010BOD, 5-day, 20 deg. C, monthly average86 mg/L≤ 30 mg/L187%
October 2025010BOD, 5-day, 20 deg. C, weekly average> 124 mg/L≤ 45 mg/L—
October 2025010BOD, 5-day, 20 deg. C, weekly average> 5258 lb/d≤ 5817 lb/d—
October 2025010Solids, total suspended, monthly average36 mg/L≤ 30 mg/L20%
November 2025010Aluminum, total [as Al], monthly average168 ug/L≤ 87 ug/L93%
November 2025010BOD, 5-day, 20 deg. C, monthly average44 mg/L≤ 30 mg/L47%
November 2025010BOD, 5-day, 20 deg. C, weekly average55 mg/L≤ 45 mg/L22%
November 2025010LC50 Static 48Hr Acute Pimephales promelas, monthly average minimum43.5 %≥ 100 %57%
November 2025010Solids, total suspended, monthly average37 mg/L≤ 30 mg/L23%
December 2025010Aluminum, total [as Al], monthly average148.6 ug/L≤ 87 ug/L71%
December 2025010BOD, 5-day, 20 deg. C, monthly average55 mg/L≤ 30 mg/L83%
December 2025010BOD, 5-day, 20 deg. C, weekly average73.7 mg/L≤ 45 mg/L64%
December 2025010Solids, total suspended, monthly average37 mg/L≤ 30 mg/L23%
December 2025010Solids, total suspended, weekly average48.1 mg/L≤ 45 mg/L7%
January 2026010BOD, 5-day, 20 deg. C, monthly average44 mg/L≤ 30 mg/L47%
January 2026010BOD, 5-day, 20 deg. C, weekly average62.3 mg/L≤ 45 mg/L38%
February 2026010Aluminum, total [as Al], monthly average90.22 ug/L≤ 87 ug/L4%
February 2026010LC50 Static 48Hr Acute Pimephales promelas, monthly average minimum93.8 %≥ 100 %6%
April 2026010Aluminum, total [as Al], monthly average102 ug/L≤ 87 ug/L17%
April 2026010BOD, 5-day, 20 deg. C, monthly average44 mg/L≤ 30 mg/L47%
April 2026010BOD, 5-day, 20 deg. C, weekly average56.8 mg/L≤ 45 mg/L26%
May 2026010Aluminum, total [as Al], monthly average105.67 ug/L≤ 87 ug/L21%
May 2026010BOD, 5-day, 20 deg. C, monthly average43 mg/L≤ 30 mg/L43%
May 2026010BOD, 5-day, 20 deg. C, weekly average55.2 mg/L≤ 45 mg/L23%
June 2026010Aluminum, total [as Al], monthly average110 ug/L≤ 87 ug/L26%
June 2026010BOD, 5-day, 20 deg. C, monthly average49 mg/L≤ 30 mg/L63%
June 2026010BOD, 5-day, 20 deg. C, weekly average58.4 mg/L≤ 45 mg/L30%
June 2026010Chlorine, total residual, daily maximum1.44 mg/L≤ 1 mg/L44%
June 2026010E. coli, daily maximum800 CFU/100mL≤ 409 CFU/100mL96%
June 2026010Solids, total suspended, monthly average36 mg/L≤ 30 mg/L20%
June 2026010Solids, total suspended, weekly average45.7 mg/L≤ 45 mg/L2%
July 2026010Aluminum, total [as Al], monthly average100 ug/L≤ 87 ug/L15%
July 2026010BOD, 5-day, 20 deg. C, monthly average38.66 mg/L≤ 30 mg/L29%
July 2026010BOD, 5-day, 20 deg. C, weekly average45.17 mg/L≤ 45 mg/L0%
July 2026010Chlorine, total residual, daily maximum1.19 mg/L≤ 1 mg/L19%
August 2026007E. coli, daily maximum> 457 CFU/100mL≤ 409 CFU/100mL—
August 2026007E. coli, monthly average> 457 CFU/100mL≤ 126 CFU/100mL—
August 2026010Aluminum, total [as Al], monthly average99 ug/L≤ 87 ug/L14%
August 2026010BOD, 5-day, 20 deg. C, monthly average39.81 mg/L≤ 30 mg/L33%
August 2026010BOD, 5-day, 20 deg. C, weekly average56 mg/L≤ 45 mg/L24%
August 2026010Chlorine, total residual, daily maximum1.36 mg/L≤ 1 mg/L36%
September 2026010Aluminum, total [as Al], monthly average233.8 ug/L≤ 87 ug/L169%
September 2026010BOD, 5-day, 20 deg. C, monthly average53.25 mg/L≤ 30 mg/L78%
September 2026010BOD, 5-day, 20 deg. C, weekly average63.75 mg/L≤ 45 mg/L42%

Limits in force (198)

ParameterStatisticLimitMonthsOutfall
Number of Eventsmonthly totalreport only (#)all year003
Duration of dischargemonthly totalreport only (hr/mo)all year003
Flow, totalmonthly totalreport only (gal/mo)all year003
Number of Eventsmonthly totalreport only (#)all year004
Duration of dischargemonthly totalreport only (hr/mo)all year004
Flow, totalmonthly totalreport only (gal/mo)all year004
Number of Eventsmonthly totalreport only (#)all year005
Duration of dischargemonthly totalreport only (hr/mo)all year005
Flow, totalmonthly totalreport only (gal/mo)all year005
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)Apr, Sep007
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)Apr, Sep007
BOD, 5-day, 20 deg. Cmonthly averagereport only (lb/d)Apr, Sep007
BOD, 5-day, 20 deg. Cdaily maximumreport only (lb/d)Apr, Sep007
pHminimumreport only (SU)all year007
pHmaximumreport only (SU)all year007
Solids, total suspendedmonthly averagereport only (mg/L)Apr, Sep007
Solids, total suspendeddaily maximumreport only (mg/L)Apr, Sep007
Solids, total suspendedmonthly averagereport only (lb/d)Apr, Sep007
Solids, total suspendeddaily maximumreport only (lb/d)Apr, Sep007
Nitrogen, total [as N]monthly averagereport only (mg/L)Apr–Sep007
Nitrogen, total [as N]monthly averagereport only (lb/d)Apr–Sep007
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)Apr–Sep007
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)Apr–Sep007
Nitrogen, ammonia total [as N]monthly averagereport only (lb/d)Apr–Sep007
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)Apr–Sep007
Nitrogen, nitrite total [as N]monthly averagereport only (mg/L)Apr–Sep007
Nitrogen, nitrite total [as N]monthly averagereport only (lb/d)Apr–Sep007
Nitrogen, nitrate total [as N]monthly averagereport only (mg/L)Apr–Sep007
Nitrogen, nitrate total [as N]monthly averagereport only (lb/d)Apr–Sep007
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)Apr–Sep007
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (lb/d)Apr–Sep007
Hardness, total [as CaCO3]daily maximumreport only (mg/L)Apr–Sep007
Hardness, total [as CaCO3]daily maximumreport only (mg/L)Apr–Sep007
Cadmium, total [as Cd]daily maximumreport only (mg/L)Apr–Sep007
Cadmium, total [as Cd]daily maximumreport only (mg/L)Apr–Sep007
Copper, total [as Cu]daily maximumreport only (mg/L)Apr–Sep007
Copper, total [as Cu]daily maximumreport only (mg/L)Apr–Sep007
Lead, total [as Pb]daily maximumreport only (mg/L)Apr–Sep007
Lead, total [as Pb]daily maximumreport only (mg/L)Apr–Sep007
Nickel, total [as Ni]daily maximumreport only (mg/L)Apr–Sep007
Nickel, total [as Ni]daily maximumreport only (mg/L)Apr–Sep007
Zinc, total [as Zn]daily maximumreport only (mg/L)Apr–Sep007
Zinc, total [as Zn]daily maximumreport only (mg/L)Apr–Sep007
Aluminum, total [as Al]daily maximumreport only (mg/L)Apr–Sep007
Aluminum, total [as Al]daily maximumreport only (mg/L)Apr–Sep007
Chlorine, total residualmonthly average≤ .89 mg/Lall year007
Chlorine, total residualdaily maximum≤ 1 mg/Lall year007
E. colimonthly average≤ 126 CFU/100mLall year007
E. colidaily maximum≤ 409 CFU/100mLall year007
Number of Eventstotalreport only (#)all year007
Number of Eventstotalreport only (#)all year007
Duration of dischargetotalreport only (hr)all year007
Duration of dischargetotalreport only (hr)all year007
Flow, totaltotalreport only (MGD)all year007
Flow, totaltotalreport only (MGD)all year007
Flow, totalmaximumreport only (MGD)all year007
Flow, totalmaximumreport only (MGD)all year007
LC50 Static 48Hr Acute Pimephales promelasminimum≥ 100 %Apr–Sep007
Number of Eventsmonthly totalreport only (#)all year008
Duration of dischargemonthly totalreport only (hr/mo)all year008
Flow, totalmonthly totalreport only (gal/mo)all year008
Number of Eventsmonthly totalreport only (#)all year009
Duration of dischargemonthly totalreport only (hr/mo)all year009
Flow, totalmonthly totalreport only (gal/mo)all year009
Temperature, water deg. centigradedaily maximumreport only (deg C)all year010
Flow ratetotalreport only (gal/min)all year010
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year010
BOD, 5-day, 20 deg. Cweekly average≤ 45 mg/Lall year010
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year010
BOD, 5-day, 20 deg. Cmonthly average≤ 3878 lb/dall year010
BOD, 5-day, 20 deg. Cweekly average≤ 5817 lb/dall year010
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year010
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year010
BOD, 5-day, 20 deg. Cmonthly averagereport only (lb/d)all year010
BOD, 5-day, 20 deg. Cweekly averagereport only (lb/d)all year010
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year010
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year010
pHminimum≥ 6 SUall year010
pHmaximum≤ 8.3 SUall year010
pHminimumreport only (SU)all year010
pHEPA's "MAX BDL"report only (SU)all year010
pHmaximumreport only (SU)all year010
Solids, total suspendedmonthly average≤ 30 mg/Lall year010
Solids, total suspendedweekly average≤ 45 mg/Lall year010
Solids, total suspendeddaily maximumreport only (mg/L)all year010
Solids, total suspendedmonthly average≤ 3878 lb/dall year010
Solids, total suspendedweekly average≤ 5817 lb/dall year010
Solids, total suspendedmonthly averagereport only (mg/L)all year010
Solids, total suspendeddaily maximumreport only (mg/L)all year010
Solids, total suspendedmonthly averagereport only (lb/d)all year010
Solids, total suspendedmonthly averagereport only (mg/L)all year010
Solids, total suspendeddaily maximumreport only (mg/L)all year010
Nitrogen, total [as N]monthly averagereport only (mg/L)all year010
Nitrogen, total [as N]monthly averagereport only (mg/L)all year010
Nitrogen, total [as N]daily maximumreport only (mg/L)all year010
Nitrogen, total [as N]daily maximumreport only (mg/L)all year010
Nitrogen, total [as N]monthly averagereport only (lb/d)all year010
Nitrogen, total [as N]monthly averagereport only (lb/d)all year010
Nitrogen, total [as N]daily maximumreport only (mg/L)all year010
Nitrogen, total [as N]daily maximumreport only (mg/L)all year010
Nitrogen, total [as N]rolling average≤ 647 lb/dall year010
Nitrogen, total [as N]rolling averagereport only (lb/d)all year010
Ammonia nitrogen, total, [as N] 30 daydaily maximumreport only (mg/L)all year010
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all year010
Nitrogen, ammonia total [as N]weekly averagereport only (mg/L)all year010
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year010
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year010
Nitrogen, ammonia total [as N]monthly averagereport only (lb/d)all year010
Nitrogen, ammonia total [as N]weekly averagereport only (lb/d)all year010
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all year010
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)all year010
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)all year010
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)all year010
Phosphorus, total [as P]monthly averagereport only (mg/L)Apr–Oct010
Phosphorus, total [as P]daily maximumreport only (mg/L)Apr–Oct010
Carbon, tot organic [TOC]daily maximumreport only (mg/L)all year010
Carbon, tot organic [TOC]daily maximumreport only (mg/L)all year010
Carbon, dissolved organic [as C]daily maximumreport only (mg/L)all year010
Carbon, dissolved organic [as C]daily maximumreport only (mg/L)all year010
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year010
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year010
Cadmium, total [as Cd]daily maximumreport only (mg/L)all year010
Cadmium, total [as Cd]daily maximumreport only (mg/L)all year010
Copper, total [as Cu]daily maximumreport only (mg/L)all year010
Copper, total [as Cu]daily maximumreport only (mg/L)all year010
Lead, total [as Pb]daily maximumreport only (mg/L)all year010
Lead, total [as Pb]daily maximumreport only (mg/L)all year010
Nickel, total [as Ni]daily maximumreport only (mg/L)all year010
Nickel, total [as Ni]daily maximumreport only (mg/L)all year010
Zinc, total [as Zn]daily maximumreport only (mg/L)all year010
Zinc, total [as Zn]daily maximumreport only (mg/L)all year010
Aluminum, total [as Al]monthly average≤ 87 ug/Lall year010
Aluminum, total [as Al]daily maximumreport only (ug/L)all year010
Aluminum, total [as Al]daily maximumreport only (mg/L)all year010
Aluminum, total [as Al]daily maximumreport only (mg/L)all year010
Rainfalltotalreport only (in)all year010
Durationtotalreport only (hr)all year010
Durationtotalreport only (hr)all year010
Flow, in conduit or thru treatment planttotalreport only (gal/d)all year010
Flow, in conduit or thru treatment plantrolling average≤ 15.5 MGDall year010
Flow, in conduit or thru treatment planttotalreport only (gal/d)all year010
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year010
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year010
Chlorine, total residualmonthly average≤ .89 mg/Lall year010
Chlorine, total residualdaily maximum≤ 1 mg/Lall year010
Chlorine, total residualmonthly averagereport only (mg/L)all year010
Chlorine, total residualdaily maximumreport only (mg/L)all year010
E. colimonthly geometric mean≤ 126 CFU/100mLApr–Oct010
E. colimonthly geometric meanreport only (CFU/100mL)Apr–Oct010
E. colidaily maximum≤ 409 CFU/100mLApr–Oct010
E. colidaily maximumreport only (CFU/100mL)Apr–Oct010
Number of Eventstotalreport only (#)all year010
LC50 Static 48Hr Acute Pimephales promelasmonthly average minimum≥ 100 %all year010
Number of Eventsmonthly totalreport only (#)all year024
Duration of dischargemonthly totalreport only (hr/mo)all year024
Flow, totalmonthly totalreport only (gal/mo)all year024
Number of Eventsmonthly totalreport only (#)all year026
Duration of dischargemonthly totalreport only (hr/mo)all year026
Flow, totalmonthly totalreport only (gal/mo)all year026
Number of Eventsmonthly totalreport only (#)all year027
Duration of dischargemonthly totalreport only (hr/mo)all year027
Flow, totalmonthly totalreport only (gal/mo)all year027
Number of Eventsmonthly totalreport only (#)all year034
Duration of dischargemonthly totalreport only (hr/mo)all year034
Flow, totalmonthly totalreport only (gal/mo)all year034
Number of Eventsmonthly totalreport only (#)all year037
Duration of dischargemonthly totalreport only (hr/mo)all year037
Flow, totalmonthly totalreport only (gal/mo)all year037
Number of Eventsmonthly totalreport only (#)all year040
Duration of dischargemonthly totalreport only (hr/mo)all year040
Flow, totalmonthly totalreport only (gal/mo)all year040
Number of Eventsmonthly totalreport only (#)all year042
Duration of dischargemonthly totalreport only (hr/mo)all year042
Flow, totalmonthly totalreport only (gal/mo)all year042
Number of Eventsmonthly totalreport only (#)all year32A
Duration of dischargemonthly totalreport only (hr/mo)all year32A
Flow, totalmonthly totalreport only (gal/mo)all year32A
Number of Eventsmonthly totalreport only (#)all year32B
Duration of dischargemonthly totalreport only (hr/mo)all year32B
Flow, totalmonthly totalreport only (gal/mo)all year32B
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.

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Your permit document is the final word. As JSON: /api/v1/permits/MA0101508 · MCP: https://passage-data.com/mcp