BOSTON and MAIN CORP — NPDES permit MA0000272: limits, due date and EPA's record

NPDES permit MA0000272 · Minor NON-POTW · administratively continued, expires 2018-05-31 · EPA's file as of 2026-09-19

This permit expired on 2018-05-31 and is administratively continued: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

EPA's record, 2025-09-01 to 2026-08-31

Last period with anything received: 2026-07-31. Most often over: Temperature Increase Deg. F (11), Surfactants [MBAS] (1), Oil & Grease (1).

Reporting

Reports are due about 15 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (258)

Outfall	Parameter	Statistic	Limit	Months
001	Flow rate	DAILY MX	report only	Mar
001	Flow rate	DAILY MX	report only	all year
001	pH	MINIMUM	report only	Mar
001	pH	MAXIMUM	report only	Mar
001	pH	MINIMUM	report only	all year
001	pH	MAXIMUM	report only	all year
001	Solids, total suspended	DAILY MX	report only	all year
001	Solids, total suspended	DAILY MX	report only	all year
001	Oil & Grease	DAILY MX	report only	Mar
001	Oil & Grease	DAILY MX	report only	all year
001	Cyanide, total [as CN]	MO AVG	report only	all year
001	Cyanide, total [as CN]	DAILY MX	report only	all year
001	Cyanide, total [as CN]	MO AVG	report only	all year
001	Cyanide, total [as CN]	DAILY MX	report only	all year
001	Asbestos	DAILY MX	report only	Mar
001	Asbestos	DAILY MX	report only	Mar
001	Copper, total [as Cu]	DAILY MX	report only	all year
001	Copper, total [as Cu]	DAILY MX	report only	all year
001	Lead, total [as Pb]	DAILY MX	report only	all year
001	Lead, total [as Pb]	DAILY MX	report only	all year
001	Silver, total [as Ag]	DAILY MX	report only	all year
001	Silver, total [as Ag]	DAILY MX	report only	all year
001	Zinc, total [as Zn]	DAILY MX	report only	all year
001	Zinc, total [as Zn]	DAILY MX	report only	all year
001	Antimony, total [as Sb]	DAILY MX	report only	all year
001	Antimony, total [as Sb]	DAILY MX	report only	all year
001	Polynuclear Aromatic Hydrocarbons [PAHs]	DAILY MX	report only	all year
001	Polynuclear Aromatic Hydrocarbons [PAHs]	DAILY MX	report only	all year
001	E. coli, thermotol, MF, MTEC	DAILY MX	report only	all year
001	E. coli, thermotol, MF, MTEC	DAILY MX	report only	all year
001	Toluene	DAILY MX	report only	Mar
001	Toluene	DAILY MX	report only	all year
001	Benzene	DAILY MX	report only	Mar
001	Benzene	DAILY MX	report only	all year
001	Ethylbenzene	DAILY MX	report only	Mar
001	Ethylbenzene	DAILY MX	report only	all year
001	Polychlorinated biphenyls [PCBs]	DAILY MX	report only	Mar
001	Polychlorinated biphenyls [PCBs]	DAILY MX	report only	Mar
001	BTEX	DAILY MX	report only	Mar
001	BTEX	DAILY MX	report only	all year
001	Mercury, total [as Hg]	DAILY MX	report only	all year
001	Mercury, total [as Hg]	DAILY MX	report only	all year
001	Xylene [mix of m+o+p]	DAILY MX	report only	Mar
001	Xylene [mix of m+o+p]	DAILY MX	report only	all year
002	Flow rate	DAILY MX	report only	Mar
002	Flow rate	DAILY MX	report only	all year
002	pH	MINIMUM	report only	Mar
002	pH	MAXIMUM	report only	Mar
002	pH	MINIMUM	report only	all year
002	pH	MAXIMUM	report only	all year
002	Solids, total suspended	DAILY MX	report only	all year
002	Solids, total suspended	DAILY MX	report only	all year
002	Oil & Grease	DAILY MX	report only	all year
002	Cyanide, total [as CN]	MO AVG	report only	all year
002	Cyanide, total [as CN]	DAILY MX	report only	all year
002	Cyanide, total [as CN]	MO AVG	report only	all year
002	Cyanide, total [as CN]	DAILY MX	report only	all year
002	Asbestos	DAILY MX	report only	Mar
002	Asbestos	DAILY MX	report only	Mar
002	Copper, total [as Cu]	DAILY MX	report only	all year
002	Copper, total [as Cu]	DAILY MX	report only	all year
002	Lead, total [as Pb]	DAILY MX	report only	all year
002	Lead, total [as Pb]	DAILY MX	report only	all year
002	Silver, total [as Ag]	DAILY MX	report only	all year
002	Silver, total [as Ag]	DAILY MX	report only	all year
002	Zinc, total [as Zn]	DAILY MX	report only	all year
002	Zinc, total [as Zn]	DAILY MX	report only	all year
002	Antimony, total [as Sb]	DAILY MX	report only	all year
002	Antimony, total [as Sb]	DAILY MX	report only	all year
002	Polynuclear Aromatic Hydrocarbons [PAHs]	DAILY MX	report only	all year
002	Polynuclear Aromatic Hydrocarbons [PAHs]	DAILY MX	report only	all year
002	E. coli, thermotol, MF, MTEC	DAILY MX	report only	all year
002	E. coli, thermotol, MF, MTEC	DAILY MX	report only	all year
002	Toluene	DAILY MX	report only	Mar
002	Toluene	DAILY MX	report only	all year
002	Benzene	DAILY MX	report only	Mar
002	Benzene	DAILY MX	report only	all year
002	Ethylbenzene	DAILY MX	report only	Mar
002	Ethylbenzene	DAILY MX	report only	all year
002	Polychlorinated biphenyls [PCBs]	DAILY MX	report only	Mar
002	Polychlorinated biphenyls [PCBs]	DAILY MX	report only	Mar
002	BTEX	DAILY MX	report only	Mar
002	BTEX	DAILY MX	report only	all year
002	Mercury, total [as Hg]	DAILY MX	report only	all year
002	Mercury, total [as Hg]	DAILY MX	report only	all year
002	Xylene [mix of m+o+p]	DAILY MX	report only	Mar
002	Xylene [mix of m+o+p]	DAILY MX	report only	all year
003	Flow rate	DAILY MX	report only	Mar
003	Flow rate	DAILY MX	report only	all year
003	pH	MINIMUM	report only	Mar
003	pH	MAXIMUM	report only	Mar
003	pH	MINIMUM	report only	all year
003	pH	MAXIMUM	report only	all year
003	Solids, total suspended	DAILY MX	report only	all year
003	Solids, total suspended	DAILY MX	report only	all year
003	Oil & Grease	DAILY MX	report only	Mar
003	Oil & Grease	DAILY MX	report only	all year
003	Cyanide, total [as CN]	MO AVG	report only	all year
003	Cyanide, total [as CN]	DAILY MX	report only	all year
003	Cyanide, total [as CN]	MO AVG	report only	all year
003	Cyanide, total [as CN]	DAILY MX	report only	all year
003	Asbestos	DAILY MX	report only	Mar
003	Asbestos	DAILY MX	report only	Mar
003	Copper, total [as Cu]	DAILY MX	report only	all year
003	Copper, total [as Cu]	DAILY MX	report only	all year
003	Lead, total [as Pb]	DAILY MX	report only	all year
003	Lead, total [as Pb]	DAILY MX	report only	all year
003	Silver, total [as Ag]	DAILY MX	report only	all year
003	Silver, total [as Ag]	DAILY MX	report only	all year
003	Zinc, total [as Zn]	DAILY MX	report only	all year
003	Zinc, total [as Zn]	DAILY MX	report only	all year
003	Antimony, total [as Sb]	DAILY MX	report only	all year
003	Antimony, total [as Sb]	DAILY MX	report only	all year
003	Polynuclear Aromatic Hydrocarbons [PAHs]	DAILY MX	report only	all year
003	Polynuclear Aromatic Hydrocarbons [PAHs]	DAILY MX	report only	all year
003	E. coli, thermotol, MF, MTEC	DAILY MX	report only	all year
003	E. coli, thermotol, MF, MTEC	DAILY MX	report only	all year
003	Toluene	DAILY MX	report only	Mar
003	Toluene	DAILY MX	report only	all year
003	Benzene	DAILY MX	report only	Mar
003	Benzene	DAILY MX	report only	all year
003	Ethylbenzene	DAILY MX	report only	Mar
003	Ethylbenzene	DAILY MX	report only	all year
003	Polychlorinated biphenyls [PCBs]	DAILY MX	report only	Mar
003	Polychlorinated biphenyls [PCBs]	DAILY MX	report only	Mar
003	BTEX	DAILY MX	report only	Mar
003	BTEX	DAILY MX	report only	all year
003	Mercury, total [as Hg]	DAILY MX	report only	all year
003	Mercury, total [as Hg]	DAILY MX	report only	all year
003	Xylene [mix of m+o+p]	DAILY MX	report only	Mar
003	Xylene [mix of m+o+p]	DAILY MX	report only	all year
004	Flow rate	MO AVG	<= 15000 gal/d	all year
004	Flow rate	DAILY MX	<= 72000 gal/d	all year
004	Flow rate	MO AVG	report only	all year
004	Flow rate	DAILY MX	report only	all year
004	Flow rate	MO AVG	report only	all year
004	Flow rate	DAILY MX	report only	all year
004	Specific conductance	DAILY MX	report only	Mar
004	pH	MINIMUM	>= 6.5 SU	all year
004	pH	MAXIMUM	<= 8.3 SU	all year
004	pH	DAILY MX	report only	Mar
004	Alkalinity, total [as CaCO3]	DAILY MX	report only	Mar
004	Solids, total	DAILY MX	report only	Mar
004	Solids, total suspended	DAILY MX	<= 50 mg/L	all year
004	Oil & Grease	DAILY MX	<= 3 mg/L	all year
004	Nitrogen, total [as N]	DAILY MX	report only	all year
004	Phosphorus, total [as P]	DAILY MX	report only	all year
004	Carbon, tot organic [TOC]	DAILY MX	report only	Mar
004	Hardness, total [as CaCO3]	DAILY MX	report only	Mar
004	Asbestos	DAILY MX	report only	Mar
004	Cadmium, total [as Cd]	DAILY MX	report only	Mar
004	Copper, total [as Cu]	DAILY MX	report only	Mar
004	Lead, total [as Pb]	DAILY MX	report only	Mar
004	Nickel, total [as Ni]	DAILY MX	report only	Mar
004	Zinc, total [as Zn]	DAILY MX	report only	Mar
004	Aluminum, total [as Al]	DAILY MX	report only	Mar
004	Toluene	DAILY MX	report only	Mar
004	Benzene	DAILY MX	<= 51 ug/L	all year
004	Ethylbenzene	DAILY MX	report only	Mar
004	Surfactants [MBAS]	DAILY MX	<= .3 mg/L	all year
004	BTEX	DAILY MX	report only	Mar
004	Chlorine, total residual	DAILY MX	report only	Mar
004	Temperature Increase Deg. F	MO AVG	report only	all year
004	Temperature Increase Deg. F	DAILY MX	<= 83 deg F	all year
004	Ammonia [as N] + unionized ammonia	DAILY MX	report only	all year
004	Ammonia [as N] + unionized ammonia	DAILY MX	report only	Mar
004	Solids, total dissolved	DAILY MX	report only	Mar
004	Xylene [mix of m+o+p]	DAILY MX	report only	Mar
004	NOEL Static Renewal 7Day Chronic Ceriodaphnia dubia	MO MIN	report only	Mar
004	Noel Statre 7Day Chronic Pimephales	MO MIN	report only	Mar
005	Flow rate	DAILY MX	report only	Mar
005	Flow rate	DAILY MX	report only	all year
005	pH	MINIMUM	report only	Mar
005	pH	MAXIMUM	report only	Mar
005	pH	MINIMUM	report only	all year
005	pH	MAXIMUM	report only	all year
005	Solids, total suspended	DAILY MX	report only	all year
005	Solids, total suspended	DAILY MX	report only	all year
005	Oil & Grease	DAILY MX	report only	Mar
005	Oil & Grease	DAILY MX	report only	all year
005	Cyanide, total [as CN]	MO AVG	report only	all year
005	Cyanide, total [as CN]	DAILY MX	report only	all year
005	Cyanide, total [as CN]	MO AVG	report only	all year
005	Cyanide, total [as CN]	DAILY MX	report only	all year
005	Asbestos	DAILY MX	report only	Mar
005	Asbestos	DAILY MX	report only	Mar
005	Copper, total [as Cu]	DAILY MX	report only	all year
005	Copper, total [as Cu]	DAILY MX	report only	all year
005	Lead, total [as Pb]	DAILY MX	report only	all year
005	Lead, total [as Pb]	DAILY MX	report only	all year
005	Silver, total [as Ag]	DAILY MX	report only	all year
005	Silver, total [as Ag]	DAILY MX	report only	all year
005	Zinc, total [as Zn]	DAILY MX	report only	all year
005	Zinc, total [as Zn]	DAILY MX	report only	all year
005	Antimony, total [as Sb]	DAILY MX	report only	all year
005	Antimony, total [as Sb]	DAILY MX	report only	all year
005	Polynuclear Aromatic Hydrocarbons [PAHs]	DAILY MX	report only	all year
005	Polynuclear Aromatic Hydrocarbons [PAHs]	DAILY MX	report only	all year
005	E. coli, thermotol, MF, MTEC	DAILY MX	report only	all year
005	E. coli, thermotol, MF, MTEC	DAILY MX	report only	all year
005	Toluene	DAILY MX	report only	Mar
005	Toluene	DAILY MX	report only	all year
005	Benzene	DAILY MX	report only	Mar
005	Benzene	DAILY MX	report only	all year
005	Ethylbenzene	DAILY MX	report only	Mar
005	Ethylbenzene	DAILY MX	report only	all year
005	Polychlorinated biphenyls [PCBs]	DAILY MX	report only	Mar
005	Polychlorinated biphenyls [PCBs]	DAILY MX	report only	Mar
005	BTEX	DAILY MX	report only	Mar
005	BTEX	DAILY MX	report only	all year
005	Mercury, total [as Hg]	DAILY MX	report only	all year
005	Mercury, total [as Hg]	DAILY MX	report only	all year
005	Xylene [mix of m+o+p]	DAILY MX	report only	Mar
005	Xylene [mix of m+o+p]	DAILY MX	report only	all year
006	Flow rate	DAILY MX	report only	Mar
006	Flow rate	DAILY MX	report only	all year
006	pH	MINIMUM	report only	Mar
006	pH	MAXIMUM	report only	Mar
006	pH	MINIMUM	report only	all year
006	pH	MAXIMUM	report only	all year
006	Solids, total suspended	DAILY MX	report only	all year
006	Solids, total suspended	DAILY MX	report only	all year
006	Oil & Grease	DAILY MX	report only	Mar
006	Oil & Grease	DAILY MX	report only	all year
006	Cyanide, total [as CN]	MO AVG	report only	all year
006	Cyanide, total [as CN]	DAILY MX	report only	all year
006	Cyanide, total [as CN]	MO AVG	report only	all year
006	Cyanide, total [as CN]	DAILY MX	report only	all year
006	Asbestos	DAILY MX	report only	Mar
006	Asbestos	DAILY MX	report only	Mar
006	Copper, total [as Cu]	DAILY MX	report only	all year
006	Copper, total [as Cu]	DAILY MX	report only	all year
006	Lead, total [as Pb]	DAILY MX	report only	all year
006	Lead, total [as Pb]	DAILY MX	report only	all year
006	Silver, total [as Ag]	DAILY MX	report only	all year
006	Silver, total [as Ag]	DAILY MX	report only	all year
006	Zinc, total [as Zn]	DAILY MX	report only	all year
006	Zinc, total [as Zn]	DAILY MX	report only	all year
006	Antimony, total [as Sb]	DAILY MX	report only	all year
006	Antimony, total [as Sb]	DAILY MX	report only	all year
006	Polynuclear Aromatic Hydrocarbons [PAHs]	DAILY MX	report only	all year
006	Polynuclear Aromatic Hydrocarbons [PAHs]	DAILY MX	report only	all year
006	E. coli, thermotol, MF, MTEC	DAILY MX	report only	all year
006	E. coli, thermotol, MF, MTEC	DAILY MX	report only	all year
006	Toluene	DAILY MX	report only	Mar
006	Toluene	DAILY MX	report only	all year
006	Benzene	DAILY MX	report only	Mar
006	Benzene	DAILY MX	report only	all year
006	Ethylbenzene	DAILY MX	report only	Mar
006	Ethylbenzene	DAILY MX	report only	all year
006	Polychlorinated biphenyls [PCBs]	DAILY MX	report only	Mar
006	Polychlorinated biphenyls [PCBs]	DAILY MX	report only	Mar
006	BTEX	DAILY MX	report only	Mar
006	BTEX	DAILY MX	report only	all year
006	Mercury, total [as Hg]	DAILY MX	report only	all year
006	Mercury, total [as Hg]	DAILY MX	report only	all year
006	Xylene [mix of m+o+p]	DAILY MX	report only	Mar
006	Xylene [mix of m+o+p]	DAILY MX	report only	all year