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BOSTON and MAIN CORP

Railroads, Line-Haul Operating, East Deerfield, Massachusetts. NPDES permit MA0000272 expired May 31, 2018; its limits still apply. Last 12 months: over a limit 14 times (last September 2026), 6 of 103 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 001 form A monthly (6 values), outfall 001 form Q quarterly (25 values), outfall 002 form A monthly (6 values), outfall 002 form Q quarterly (25 values), outfall 003 form A monthly (6 values), outfall 003 form Q quarterly (25 values), and 6 more forms
Last report on file
September 2026
Oct 2024 – Sep 2025
16 values over a limit, 11 required values missing, 12 of 103 reports late

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

All 14 values over a limit
Period endingParameterReportedLimitOver by
October 2025Temperature Increase Deg. F, daily maximum110.7 deg F≤ 83 deg F33%
November 2025Temperature Increase Deg. F, daily maximum113.6 deg F≤ 83 deg F37%
December 2025Temperature Increase Deg. F, daily maximum98.6 deg F≤ 83 deg F19%
January 2026Oil & Grease, daily maximum3.2 mg/L≤ 3 mg/L7%
January 2026Temperature Increase Deg. F, daily maximum102.1 deg F≤ 83 deg F23%
February 2026Surfactants [MBAS], daily maximum.47 mg/L≤ .3 mg/L57%
February 2026Temperature Increase Deg. F, daily maximum101.5 deg F≤ 83 deg F22%
March 2026Temperature Increase Deg. F, daily maximum107.7 deg F≤ 83 deg F30%
April 2026Temperature Increase Deg. F, daily maximum103.9 deg F≤ 83 deg F25%
May 2026Temperature Increase Deg. F, daily maximum90.1 deg F≤ 83 deg F9%
June 2026Temperature Increase Deg. F, daily maximum92.3 deg F≤ 83 deg F11%
July 2026Temperature Increase Deg. F, daily maximum84.8 deg F≤ 83 deg F2%
August 2026Temperature Increase Deg. F, daily maximum105.9 deg F≤ 83 deg F28%
September 2026Temperature Increase Deg. F, daily maximum100.1 deg F≤ 83 deg F21%

Limits in force (258)

ParameterStatisticLimitMonthsOutfall
Flow ratedaily maximumreport only (gal/min)Mar001
Flow ratedaily maximumreport only (gal/min)all year001
pHminimumreport only (SU)Mar001
pHmaximumreport only (SU)Mar001
pHminimumreport only (SU)all year001
pHmaximumreport only (SU)all year001
Solids, total suspendeddaily maximumreport only (mg/L)all year001
Solids, total suspendeddaily maximumreport only (mg/L)all year001
Oil & Greasedaily maximumreport only (mg/L)Mar001
Oil & Greasedaily maximumreport only (mg/L)all year001
Cyanide, total [as CN]monthly averagereport only (ug/L)all year001
Cyanide, total [as CN]daily maximumreport only (ug/L)all year001
Cyanide, total [as CN]monthly averagereport only (ug/L)all year001
Cyanide, total [as CN]daily maximumreport only (ug/L)all year001
Asbestosdaily maximumreport only (Fib/L)Mar001
Asbestosdaily maximumreport only (Fib/L)Mar001
Copper, total [as Cu]daily maximumreport only (ug/L)all year001
Copper, total [as Cu]daily maximumreport only (ug/L)all year001
Lead, total [as Pb]daily maximumreport only (ug/L)all year001
Lead, total [as Pb]daily maximumreport only (ug/L)all year001
Silver, total [as Ag]daily maximumreport only (ug/L)all year001
Silver, total [as Ag]daily maximumreport only (ug/L)all year001
Zinc, total [as Zn]daily maximumreport only (ug/L)all year001
Zinc, total [as Zn]daily maximumreport only (ug/L)all year001
Antimony, total [as Sb]daily maximumreport only (ug/L)all year001
Antimony, total [as Sb]daily maximumreport only (ug/L)all year001
Polynuclear Aromatic Hydrocarbons [PAHs]daily maximumreport only (ug/L)all year001
Polynuclear Aromatic Hydrocarbons [PAHs]daily maximumreport only (ug/L)all year001
E. coli, thermotol, MF, MTECdaily maximumreport only (CFU/100mL)all year001
E. coli, thermotol, MF, MTECdaily maximumreport only (CFU/100mL)all year001
Toluenedaily maximumreport only (mg/L)Mar001
Toluenedaily maximumreport only (mg/L)all year001
Benzenedaily maximumreport only (mg/L)Mar001
Benzenedaily maximumreport only (mg/L)all year001
Ethylbenzenedaily maximumreport only (mg/L)Mar001
Ethylbenzenedaily maximumreport only (mg/L)all year001
Polychlorinated biphenyls [PCBs]daily maximumreport only (ug/L)Mar001
Polychlorinated biphenyls [PCBs]daily maximumreport only (ug/L)Mar001
BTEXdaily maximumreport only (mg/L)Mar001
BTEXdaily maximumreport only (mg/L)all year001
Mercury, total [as Hg]daily maximumreport only (ug/L)all year001
Mercury, total [as Hg]daily maximumreport only (ug/L)all year001
Xylene [mix of m+o+p]daily maximumreport only (mg/L)Mar001
Xylene [mix of m+o+p]daily maximumreport only (mg/L)all year001
Flow ratedaily maximumreport only (gal/min)Mar002
Flow ratedaily maximumreport only (gal/min)all year002
pHminimumreport only (SU)Mar002
pHmaximumreport only (SU)Mar002
pHminimumreport only (SU)all year002
pHmaximumreport only (SU)all year002
Solids, total suspendeddaily maximumreport only (mg/L)all year002
Solids, total suspendeddaily maximumreport only (mg/L)all year002
Oil & Greasedaily maximumreport only (mg/L)all year002
Cyanide, total [as CN]monthly averagereport only (ug/L)all year002
Cyanide, total [as CN]daily maximumreport only (ug/L)all year002
Cyanide, total [as CN]monthly averagereport only (ug/L)all year002
Cyanide, total [as CN]daily maximumreport only (ug/L)all year002
Asbestosdaily maximumreport only (Fib/L)Mar002
Asbestosdaily maximumreport only (Fib/L)Mar002
Copper, total [as Cu]daily maximumreport only (ug/L)all year002
Copper, total [as Cu]daily maximumreport only (ug/L)all year002
Lead, total [as Pb]daily maximumreport only (ug/L)all year002
Lead, total [as Pb]daily maximumreport only (ug/L)all year002
Silver, total [as Ag]daily maximumreport only (ug/L)all year002
Silver, total [as Ag]daily maximumreport only (ug/L)all year002
Zinc, total [as Zn]daily maximumreport only (ug/L)all year002
Zinc, total [as Zn]daily maximumreport only (ug/L)all year002
Antimony, total [as Sb]daily maximumreport only (ug/L)all year002
Antimony, total [as Sb]daily maximumreport only (ug/L)all year002
Polynuclear Aromatic Hydrocarbons [PAHs]daily maximumreport only (ug/L)all year002
Polynuclear Aromatic Hydrocarbons [PAHs]daily maximumreport only (ug/L)all year002
E. coli, thermotol, MF, MTECdaily maximumreport only (CFU/100mL)all year002
E. coli, thermotol, MF, MTECdaily maximumreport only (CFU/100mL)all year002
Toluenedaily maximumreport only (mg/L)Mar002
Toluenedaily maximumreport only (mg/L)all year002
Benzenedaily maximumreport only (mg/L)Mar002
Benzenedaily maximumreport only (mg/L)all year002
Ethylbenzenedaily maximumreport only (mg/L)Mar002
Ethylbenzenedaily maximumreport only (mg/L)all year002
Polychlorinated biphenyls [PCBs]daily maximumreport only (ug/L)Mar002
Polychlorinated biphenyls [PCBs]daily maximumreport only (ug/L)Mar002
BTEXdaily maximumreport only (mg/L)Mar002
BTEXdaily maximumreport only (mg/L)all year002
Mercury, total [as Hg]daily maximumreport only (ug/L)all year002
Mercury, total [as Hg]daily maximumreport only (ug/L)all year002
Xylene [mix of m+o+p]daily maximumreport only (mg/L)Mar002
Xylene [mix of m+o+p]daily maximumreport only (mg/L)all year002
Flow ratedaily maximumreport only (gal/min)Mar003
Flow ratedaily maximumreport only (gal/min)all year003
pHminimumreport only (SU)Mar003
pHmaximumreport only (SU)Mar003
pHminimumreport only (SU)all year003
pHmaximumreport only (SU)all year003
Solids, total suspendeddaily maximumreport only (mg/L)all year003
Solids, total suspendeddaily maximumreport only (mg/L)all year003
Oil & Greasedaily maximumreport only (mg/L)Mar003
Oil & Greasedaily maximumreport only (mg/L)all year003
Cyanide, total [as CN]monthly averagereport only (ug/L)all year003
Cyanide, total [as CN]daily maximumreport only (ug/L)all year003
Cyanide, total [as CN]monthly averagereport only (ug/L)all year003
Cyanide, total [as CN]daily maximumreport only (ug/L)all year003
Asbestosdaily maximumreport only (Fib/L)Mar003
Asbestosdaily maximumreport only (Fib/L)Mar003
Copper, total [as Cu]daily maximumreport only (ug/L)all year003
Copper, total [as Cu]daily maximumreport only (ug/L)all year003
Lead, total [as Pb]daily maximumreport only (ug/L)all year003
Lead, total [as Pb]daily maximumreport only (ug/L)all year003
Silver, total [as Ag]daily maximumreport only (ug/L)all year003
Silver, total [as Ag]daily maximumreport only (ug/L)all year003
Zinc, total [as Zn]daily maximumreport only (ug/L)all year003
Zinc, total [as Zn]daily maximumreport only (ug/L)all year003
Antimony, total [as Sb]daily maximumreport only (ug/L)all year003
Antimony, total [as Sb]daily maximumreport only (ug/L)all year003
Polynuclear Aromatic Hydrocarbons [PAHs]daily maximumreport only (ug/L)all year003
Polynuclear Aromatic Hydrocarbons [PAHs]daily maximumreport only (ug/L)all year003
E. coli, thermotol, MF, MTECdaily maximumreport only (CFU/100mL)all year003
E. coli, thermotol, MF, MTECdaily maximumreport only (CFU/100mL)all year003
Toluenedaily maximumreport only (mg/L)Mar003
Toluenedaily maximumreport only (mg/L)all year003
Benzenedaily maximumreport only (mg/L)Mar003
Benzenedaily maximumreport only (mg/L)all year003
Ethylbenzenedaily maximumreport only (mg/L)Mar003
Ethylbenzenedaily maximumreport only (mg/L)all year003
Polychlorinated biphenyls [PCBs]daily maximumreport only (ug/L)Mar003
Polychlorinated biphenyls [PCBs]daily maximumreport only (ug/L)Mar003
BTEXdaily maximumreport only (mg/L)Mar003
BTEXdaily maximumreport only (mg/L)all year003
Mercury, total [as Hg]daily maximumreport only (ug/L)all year003
Mercury, total [as Hg]daily maximumreport only (ug/L)all year003
Xylene [mix of m+o+p]daily maximumreport only (mg/L)Mar003
Xylene [mix of m+o+p]daily maximumreport only (mg/L)all year003
Flow ratemonthly average≤ 15000 gal/dall year004
Flow ratedaily maximum≤ 72000 gal/dall year004
Flow ratemonthly averagereport only (gal/d)all year004
Flow ratedaily maximumreport only (gal/d)all year004
Flow ratemonthly averagereport only (gal/d)all year004
Flow ratedaily maximumreport only (gal/d)all year004
Specific conductancedaily maximumreport only (umho/cm)Mar004
pHminimum≥ 6.5 SUall year004
pHmaximum≤ 8.3 SUall year004
pHdaily maximumreport only (SU)Mar004
Alkalinity, total [as CaCO3]daily maximumreport only (mg/L)Mar004
Solids, totaldaily maximumreport only (mg/L)Mar004
Solids, total suspendeddaily maximum≤ 50 mg/Lall year004
Oil & Greasedaily maximum≤ 3 mg/Lall year004
Nitrogen, total [as N]daily maximumreport only (mg/L)all year004
Phosphorus, total [as P]daily maximumreport only (mg/L)all year004
Carbon, tot organic [TOC]daily maximumreport only (mg/L)Mar004
Hardness, total [as CaCO3]daily maximumreport only (mg/L)Mar004
Asbestosdaily maximumreport only (Fib/L)Mar004
Cadmium, total [as Cd]daily maximumreport only (mg/L)Mar004
Copper, total [as Cu]daily maximumreport only (mg/L)Mar004
Lead, total [as Pb]daily maximumreport only (mg/L)Mar004
Nickel, total [as Ni]daily maximumreport only (mg/L)Mar004
Zinc, total [as Zn]daily maximumreport only (mg/L)Mar004
Aluminum, total [as Al]daily maximumreport only (mg/L)Mar004
Toluenedaily maximumreport only (ug/L)Mar004
Benzenedaily maximum≤ 51 ug/Lall year004
Ethylbenzenedaily maximumreport only (ug/L)Mar004
Surfactants [MBAS]daily maximum≤ .3 mg/Lall year004
BTEXdaily maximumreport only (ug/L)Mar004
Chlorine, total residualdaily maximumreport only (mg/L)Mar004
Temperature Increase Deg. Fmonthly averagereport only (deg F)all year004
Temperature Increase Deg. Fdaily maximum≤ 83 deg Fall year004
Ammonia [as N] + unionized ammoniadaily maximumreport only (mg/L)all year004
Ammonia [as N] + unionized ammoniadaily maximumreport only (mg/L)Mar004
Solids, total dissolveddaily maximumreport only (mg/L)Mar004
Xylene [mix of m+o+p]daily maximumreport only (ug/L)Mar004
NOEL Static Renewal 7Day Chronic Ceriodaphnia dubiamonthly minimumreport only (%)Mar004
Noel Statre 7Day Chronic Pimephalesmonthly minimumreport only (%)Mar004
Flow ratedaily maximumreport only (gal/min)Mar005
Flow ratedaily maximumreport only (gal/min)all year005
pHminimumreport only (SU)Mar005
pHmaximumreport only (SU)Mar005
pHminimumreport only (SU)all year005
pHmaximumreport only (SU)all year005
Solids, total suspendeddaily maximumreport only (mg/L)all year005
Solids, total suspendeddaily maximumreport only (mg/L)all year005
Oil & Greasedaily maximumreport only (mg/L)Mar005
Oil & Greasedaily maximumreport only (mg/L)all year005
Cyanide, total [as CN]monthly averagereport only (ug/L)all year005
Cyanide, total [as CN]daily maximumreport only (ug/L)all year005
Cyanide, total [as CN]monthly averagereport only (ug/L)all year005
Cyanide, total [as CN]daily maximumreport only (ug/L)all year005
Asbestosdaily maximumreport only (Fib/L)Mar005
Asbestosdaily maximumreport only (Fib/L)Mar005
Copper, total [as Cu]daily maximumreport only (ug/L)all year005
Copper, total [as Cu]daily maximumreport only (ug/L)all year005
Lead, total [as Pb]daily maximumreport only (ug/L)all year005
Lead, total [as Pb]daily maximumreport only (ug/L)all year005
Silver, total [as Ag]daily maximumreport only (ug/L)all year005
Silver, total [as Ag]daily maximumreport only (ug/L)all year005
Zinc, total [as Zn]daily maximumreport only (ug/L)all year005
Zinc, total [as Zn]daily maximumreport only (ug/L)all year005
Antimony, total [as Sb]daily maximumreport only (ug/L)all year005
Antimony, total [as Sb]daily maximumreport only (ug/L)all year005
Polynuclear Aromatic Hydrocarbons [PAHs]daily maximumreport only (ug/L)all year005
Polynuclear Aromatic Hydrocarbons [PAHs]daily maximumreport only (ug/L)all year005
E. coli, thermotol, MF, MTECdaily maximumreport only (CFU/100mL)all year005
E. coli, thermotol, MF, MTECdaily maximumreport only (CFU/100mL)all year005
Toluenedaily maximumreport only (mg/L)Mar005
Toluenedaily maximumreport only (mg/L)all year005
Benzenedaily maximumreport only (mg/L)Mar005
Benzenedaily maximumreport only (mg/L)all year005
Ethylbenzenedaily maximumreport only (mg/L)Mar005
Ethylbenzenedaily maximumreport only (mg/L)all year005
Polychlorinated biphenyls [PCBs]daily maximumreport only (ug/L)Mar005
Polychlorinated biphenyls [PCBs]daily maximumreport only (ug/L)Mar005
BTEXdaily maximumreport only (mg/L)Mar005
BTEXdaily maximumreport only (mg/L)all year005
Mercury, total [as Hg]daily maximumreport only (ug/L)all year005
Mercury, total [as Hg]daily maximumreport only (ug/L)all year005
Xylene [mix of m+o+p]daily maximumreport only (mg/L)Mar005
Xylene [mix of m+o+p]daily maximumreport only (mg/L)all year005
Flow ratedaily maximumreport only (gal/mo)Mar006
Flow ratedaily maximumreport only (gal/min)all year006
pHminimumreport only (SU)Mar006
pHmaximumreport only (SU)Mar006
pHminimumreport only (SU)all year006
pHmaximumreport only (SU)all year006
Solids, total suspendeddaily maximumreport only (mg/L)all year006
Solids, total suspendeddaily maximumreport only (mg/L)all year006
Oil & Greasedaily maximumreport only (mg/L)Mar006
Oil & Greasedaily maximumreport only (mg/L)all year006
Cyanide, total [as CN]monthly averagereport only (ug/L)all year006
Cyanide, total [as CN]daily maximumreport only (ug/L)all year006
Cyanide, total [as CN]monthly averagereport only (ug/L)all year006
Cyanide, total [as CN]daily maximumreport only (ug/L)all year006
Asbestosdaily maximumreport only (Fib/L)Mar006
Asbestosdaily maximumreport only (Fib/L)Mar006
Copper, total [as Cu]daily maximumreport only (ug/L)all year006
Copper, total [as Cu]daily maximumreport only (ug/L)all year006
Lead, total [as Pb]daily maximumreport only (ug/L)all year006
Lead, total [as Pb]daily maximumreport only (ug/L)all year006
Silver, total [as Ag]daily maximumreport only (ug/L)all year006
Silver, total [as Ag]daily maximumreport only (ug/L)all year006
Zinc, total [as Zn]daily maximumreport only (ug/L)all year006
Zinc, total [as Zn]daily maximumreport only (ug/L)all year006
Antimony, total [as Sb]daily maximumreport only (ug/L)all year006
Antimony, total [as Sb]daily maximumreport only (ug/L)all year006
Polynuclear Aromatic Hydrocarbons [PAHs]daily maximumreport only (ug/L)all year006
Polynuclear Aromatic Hydrocarbons [PAHs]daily maximumreport only (ug/L)all year006
E. coli, thermotol, MF, MTECdaily maximumreport only (CFU/100mL)all year006
E. coli, thermotol, MF, MTECdaily maximumreport only (CFU/100mL)all year006
Toluenedaily maximumreport only (mg/L)Mar006
Toluenedaily maximumreport only (mg/L)all year006
Benzenedaily maximumreport only (mg/L)Mar006
Benzenedaily maximumreport only (mg/L)all year006
Ethylbenzenedaily maximumreport only (mg/L)Mar006
Ethylbenzenedaily maximumreport only (mg/L)all year006
Polychlorinated biphenyls [PCBs]daily maximumreport only (ug/L)Mar006
Polychlorinated biphenyls [PCBs]daily maximumreport only (ug/L)Mar006
BTEXdaily maximumreport only (mg/L)Mar006
BTEXdaily maximumreport only (mg/L)all year006
Mercury, total [as Hg]daily maximumreport only (ug/L)all year006
Mercury, total [as Hg]daily maximumreport only (ug/L)all year006
Xylene [mix of m+o+p]daily maximumreport only (mg/L)Mar006
Xylene [mix of m+o+p]daily maximumreport only (mg/L)all year006

How strict are these limits?

Cited limits by parameter: Massachusetts'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/MA0000272 · MCP: https://passage-data.com/mcp