BEACON FALLS WPCF — NPDES permit CT0101061: limits, due date and EPA's record

NPDES permit CT0101061 · Minor POTW · effective, expires 2031-04-30 · EPA's file as of 2026-09-19

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

Reporting

Reports are due about 16 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (275)

Outfall	Parameter	Statistic	Limit	Months
001	Flow rate	MO AVG	report only	all year
001	Flow rate	DAILY MX	report only	all year
001	Specific conductance	DAILY MX	report only	all year
001	Specific conductance	DAILY MX	report only	all year
001	Specific conductance	DAILY MX	report only	all year
001	Specific conductance	DAILY MX	report only	all year
001	Specific conductance	DAILY MX	report only	all year
001	Specific conductance	DAILY MX	report only	Jan, Apr, Jul, Oct
001	Specific conductance	DAILY MX	report only	all year
001	BOD, 5-day, 20 deg. C	MO AVG	<= 30 mg/L	all year
001	BOD, 5-day, 20 deg. C	DAILY MX	<= 50 mg/L	all year
001	BOD, 5-day, 20 deg. C	DAILY MX	report only	all year
001	BOD, 5-day, 20 deg. C	DAILY MX	report only	all year
001	BOD, 5-day, 20 deg. C	DAILY MX	report only	all year
001	BOD, 5-day, 20 deg. C	DAILY MX	report only	all year
001	BOD, 5-day, 20 deg. C	DAILY MX	report only	all year
001	BOD, 5-day, 20 deg. C	DAILY MX	report only	Jan, Apr, Jul, Oct
001	BOD, 5-day, 20 deg. C	DAILY MX	report only	all year
001	pH	INST MIN	>= 6 SU	all year
001	pH	INST MAX	<= 9 SU	all year
001	pH	DAILY MX	report only	all year
001	pH	DAILY MX	report only	all year
001	pH	DAILY MX	report only	all year
001	pH	DAILY MX	report only	all year
001	pH	DAILY MX	report only	all year
001	pH	MAXIMUM	report only	Jan, Apr, Jul, Oct
001	pH	DAILY MX	report only	all year
001	Alkalinity, total [as CaCO3]	DAILY MX	report only	all year
001	Alkalinity, total [as CaCO3]	DAILY MX	report only	all year
001	Alkalinity, total [as CaCO3]	DAILY MX	report only	all year
001	Alkalinity, total [as CaCO3]	DAILY MX	report only	all year
001	Alkalinity, total [as CaCO3]	DAILY MX	report only	all year
001	Alkalinity, total [as CaCO3]	DAILY MX	report only	Jan, Apr, Jul, Oct
001	Alkalinity, total [as CaCO3]	DAILY MX	report only	all year
001	Solids, total suspended	MO AVG	<= 30 mg/L	all year
001	Solids, total suspended	DAILY MX	<= 50 mg/L	all year
001	Solids, total suspended	MO AVG	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	Solids, total suspended	DAILY MX	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	Solids, total suspended	DAILY MX	report only	Jan, Apr, Jul, Oct
001	Solids, total suspended	DAILY MX	report only	all year
001	Nitrogen, ammonia total [as N]	DAILY MX	report only	all year
001	Nitrogen, ammonia total [as N]	MO AVG	report only	all year
001	Nitrogen, ammonia total [as N]	DAILY MX	report only	all year
001	Nitrogen, ammonia total [as N]	DAILY MX	report only	all year
001	Nitrogen, ammonia total [as N]	DAILY MX	report only	all year
001	Nitrogen, ammonia total [as N]	DAILY MX	report only	all year
001	Nitrogen, ammonia total [as N]	DAILY MX	report only	all year
001	Nitrogen, ammonia total [as N]	DAILY MX	report only	all year
001	Nitrogen, ammonia total [as N]	DAILY MX	report only	Jan, Apr, Jul, Oct
001	Nitrogen, ammonia total [as N]	DAILY MX	report only	all year
001	Nitrogen, nitrite total [as N]	DAILY MX	report only	all year
001	Nitrogen, nitrite total [as N]	DAILY MX	report only	all year
001	Nitrogen, nitrite total [as N]	DAILY MX	report only	all year
001	Nitrogen, nitrite total [as N]	DAILY MX	report only	all year
001	Nitrogen, nitrite total [as N]	DAILY MX	report only	all year
001	Nitrogen, nitrite total [as N]	DAILY MX	report only	Jan, Apr, Jul, Oct
001	Nitrogen, nitrite total [as N]	DAILY MX	report only	all year
001	Nitrogen, nitrate total [as N]	DAILY MX	report only	all year
001	Nitrogen, nitrate total [as N]	DAILY MX	report only	all year
001	Nitrogen, nitrate total [as N]	DAILY MX	report only	all year
001	Nitrogen, nitrate total [as N]	DAILY MX	report only	all year
001	Nitrogen, nitrate total [as N]	DAILY MX	report only	all year
001	Nitrogen, nitrate total [as N]	DAILY MX	report only	Jan, Apr, Jul, Oct
001	Nitrogen, nitrate total [as N]	DAILY MX	report only	all year
001	Phosphorus, total [as P]	MO AVG	<= 1.55 mg/L	Apr, May, Jun, Jul, Aug, Sep, Oct
001	Phosphorus, total [as P]	MO AVG	report only	Jan, Feb, Mar, Nov, Dec
001	Phosphorus, total [as P]	DAILY MX	<= 3.11 mg/L	Apr, May, Jun, Jul, Aug, Sep, Oct
001	Phosphorus, total [as P]	DAILY MX	report only	Jan, Feb, Mar, Nov, Dec
001	Phosphorus, total [as P]	MO AVG	report only	Apr, May, Jun, Jul, Aug, Sep, Oct
001	Phosphorus, total [as P]	DAILY MX	report only	Apr, May, Jun, Jul, Aug, Sep, Oct
001	Phosphorus, total [as P]	DAILY MX	report only	all year
001	Phosphorus, total [as P]	DAILY MX	report only	all year
001	Phosphorus, total [as P]	DAILY MX	report only	all year
001	Phosphorus, total [as P]	DAILY MX	report only	all year
001	Phosphorus, total [as P]	DAILY MX	report only	all year
001	Phosphorus, total [as P]	DAILY MX	report only	Jan, Apr, Jul, Oct
001	Phosphorus, total [as P]	DAILY MX	report only	all year
001	Carbon, dissolved organic [as C]	DAILY MX	report only	all year
001	Carbon, dissolved organic [as C]	DAILY MX	report only	all year
001	Carbon, dissolved organic [as C]	DAILY MX	report only	all year
001	Carbon, dissolved organic [as C]	DAILY MX	report only	all year
001	Carbon, dissolved organic [as C]	DAILY MX	report only	all year
001	Carbon, dissolved organic [as C]	DAILY MX	report only	all year
001	Cyanide, total [as CN]	DAILY MX	report only	all year
001	Cyanide, total [as CN]	DAILY MX	report only	all year
001	Cyanide, total [as CN]	DAILY MX	report only	all year
001	Cyanide, total [as CN]	DAILY MX	report only	all year
001	Cyanide, total [as CN]	DAILY MX	report only	all year
001	Cyanide, total [as CN]	DAILY MX	report only	Jan, Apr, Jul, Oct
001	Cyanide, total [as CN]	DAILY MX	report only	all year
001	Cyanide, free [amenable to chlorination]	DAILY MX	report only	all year
001	Cyanide, free [amenable to chlorination]	DAILY MX	report only	all year
001	Cyanide, free [amenable to chlorination]	DAILY MX	report only	all year
001	Cyanide, free [amenable to chlorination]	DAILY MX	report only	all year
001	Cyanide, free [amenable to chlorination]	DAILY MX	report only	all year
001	Cyanide, free [amenable to chlorination]	DAILY MX	report only	Jan, Apr, Jul, Oct
001	Cyanide, free [amenable to chlorination]	DAILY MX	report only	all year
001	Hardness, total [as CaCO3]	DAILY MX	report only	all year
001	Hardness, total [as CaCO3]	DAILY MX	report only	all year
001	Hardness, total [as CaCO3]	DAILY MX	report only	all year
001	Hardness, total [as CaCO3]	DAILY MX	report only	all year
001	Hardness, total [as CaCO3]	DAILY MX	report only	all year
001	Hardness, total [as CaCO3]	DAILY MX	report only	Jan, Apr, Jul, Oct
001	Hardness, total [as CaCO3]	DAILY MX	report only	all year
001	Arsenic, total [as As]	DAILY MX	report only	all year
001	Arsenic, total [as As]	DAILY MX	report only	all year
001	Arsenic, total [as As]	DAILY MX	report only	all year
001	Arsenic, total [as As]	DAILY MX	report only	all year
001	Arsenic, total [as As]	DAILY MX	report only	all year
001	Arsenic, total [as As]	DAILY MX	report only	Jan, Apr, Jul, Oct
001	Arsenic, total [as As]	DAILY MX	report only	all year
001	Beryllium, total [as Be]	DAILY MX	report only	all year
001	Beryllium, total [as Be]	DAILY MX	report only	all year
001	Beryllium, total [as Be]	DAILY MX	report only	all year
001	Beryllium, total [as Be]	DAILY MX	report only	all year
001	Beryllium, total [as Be]	DAILY MX	report only	all year
001	Beryllium, total [as Be]	DAILY MX	report only	Jan, Apr, Jul, Oct
001	Beryllium, total [as Be]	DAILY MX	report only	all year
001	Cadmium, total [as Cd]	DAILY MX	report only	all year
001	Cadmium, total [as Cd]	DAILY MX	report only	all year
001	Cadmium, total [as Cd]	DAILY MX	report only	all year
001	Cadmium, total [as Cd]	DAILY MX	report only	all year
001	Cadmium, total [as Cd]	DAILY MX	report only	all year
001	Cadmium, total [as Cd]	DAILY MX	report only	Jan, Apr, Jul, Oct
001	Cadmium, total [as Cd]	DAILY MX	report only	all year
001	Chromium, hexavalent [as Cr]	DAILY MX	report only	all year
001	Chromium, hexavalent [as Cr]	DAILY MX	report only	all year
001	Chromium, hexavalent [as Cr]	DAILY MX	report only	all year
001	Chromium, hexavalent [as Cr]	DAILY MX	report only	all year
001	Chromium, hexavalent [as Cr]	DAILY MX	report only	all year
001	Chromium, hexavalent [as Cr]	DAILY MX	report only	Jan, Apr, Jul, Oct
001	Chromium, hexavalent [as Cr]	DAILY MX	report only	all year
001	Chromium, total [as Cr]	DAILY MX	report only	all year
001	Chromium, total [as Cr]	DAILY MX	report only	all year
001	Chromium, total [as Cr]	DAILY MX	report only	all year
001	Chromium, total [as Cr]	DAILY MX	report only	all year
001	Chromium, total [as Cr]	DAILY MX	report only	all year
001	Chromium, total [as Cr]	DAILY MX	report only	Jan, Apr, Jul, Oct
001	Chromium, total [as Cr]	DAILY MX	report only	all year
001	Copper, total [as Cu]	DAILY MX	report only	all year
001	Copper, total [as Cu]	DAILY MX	report only	all year
001	Copper, total [as Cu]	DAILY MX	report only	all year
001	Copper, total [as Cu]	DAILY MX	report only	all year
001	Copper, total [as Cu]	DAILY MX	report only	all year
001	Copper, total [as Cu]	DAILY MX	report only	Jan, Apr, Jul, Oct
001	Copper, total [as Cu]	DAILY MX	report only	all year
001	Iron, total [as Fe]	DAILY MX	report only	all year
001	Iron, total [as Fe]	DAILY MX	report only	all year
001	Iron, total [as Fe]	DAILY MX	report only	all year
001	Iron, total [as Fe]	DAILY MX	report only	all year
001	Iron, total [as Fe]	DAILY MX	report only	all year
001	Iron, total [as Fe]	DAILY MX	report only	Jan, Apr, Jul, Oct
001	Iron, total [as Fe]	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	Lead, total [as Pb]	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	Lead, total [as Pb]	DAILY MX	report only	Jan, Apr, Jul, Oct
001	Lead, total [as Pb]	DAILY MX	report only	all year
001	Thallium, total [as Tl]	DAILY MX	report only	all year
001	Thallium, total [as Tl]	DAILY MX	report only	all year
001	Thallium, total [as Tl]	DAILY MX	report only	all year
001	Thallium, total [as Tl]	DAILY MX	report only	all year
001	Thallium, total [as Tl]	DAILY MX	report only	all year
001	Thallium, total [as Tl]	DAILY MX	report only	Jan, Apr, Jul, Oct
001	Thallium, total [as Tl]	DAILY MX	report only	all year
001	Nickel, total [as Ni]	DAILY MX	report only	all year
001	Nickel, total [as Ni]	DAILY MX	report only	all year
001	Nickel, total [as Ni]	DAILY MX	report only	all year
001	Nickel, total [as Ni]	DAILY MX	report only	all year
001	Nickel, total [as Ni]	DAILY MX	report only	all year
001	Nickel, total [as Ni]	DAILY MX	report only	Jan, Apr, Jul, Oct
001	Nickel, total [as Ni]	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	Silver, total [as Ag]	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	Silver, total [as Ag]	DAILY MX	report only	Jan, Apr, Jul, Oct
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	Zinc, total [as Zn]	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	Zinc, total [as Zn]	DAILY MX	report only	Jan, Apr, Jul, Oct
001	Zinc, total [as Zn]	DAILY MN	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	Antimony, total [as Sb]	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	Antimony, total [as Sb]	DAILY MX	report only	Jan, Apr, Jul, Oct
001	Antimony, total [as Sb]	DAILY MX	report only	all year
001	Aluminum, total [as Al]	DAILY MX	report only	all year
001	Aluminum, total [as Al]	DAILY MX	report only	all year
001	Aluminum, total [as Al]	DAILY MX	report only	all year
001	Aluminum, total [as Al]	DAILY MX	report only	all year
001	Aluminum, total [as Al]	DAILY MX	report only	all year
001	Aluminum, total [as Al]	DAILY MX	report only	Jan, Apr, Jul, Oct
001	Aluminum, total [as Al]	DAILY MX	report only	all year
001	Selenium, total [as Se]	DAILY MX	report only	all year
001	Selenium, total [as Se]	DAILY MX	report only	all year
001	Selenium, total [as Se]	DAILY MX	report only	all year
001	Selenium, total [as Se]	DAILY MX	report only	all year
001	Selenium, total [as Se]	DAILY MX	report only	all year
001	Selenium, total [as Se]	DAILY MN	report only	Jan, Apr, Jul, Oct
001	Selenium, total [as Se]	DAILY MX	report only	all year
001	Polychlorinated biphenyls [PCBs]	INST MAX	report only	Jan, Jul
001	Phenols	DAILY MX	report only	all year
001	Phenols	DAILY MX	report only	all year
001	Phenols	DAILY MX	report only	all year
001	Phenols	DAILY MX	report only	all year
001	Phenols	DAILY MX	report only	all year
001	Phenols	DAILY MX	report only	Jan, Apr, Jul, Oct
001	Phenols	DAILY MX	report only	all year
001	Ultraviolet light intensity	INST MIN	>= 6.1 mW/cm2	May, Jun, Jul, Aug, Sep
001	Chlorine, total residual	DAILY MX	report only	all year
001	Chlorine, total residual	DAILY MX	report only	all year
001	Chlorine, total residual	DAILY MX	report only	all year
001	Chlorine, total residual	DAILY MX	report only	all year
001	Chlorine, total residual	DAILY MX	report only	all year
001	Chlorine, total residual	DAILY MX	report only	Jan, Apr, Jul, Oct
001	Chlorine, total residual	DAILY MX	report only	all year
001	E. coli	30DA GEO	<= 126 #/100mL	May, Jun, Jul, Aug, Sep
001	E. coli	MAXIMUM	< 410 #/100mL	May, Jun, Jul, Aug, Sep
001	Phosphorus, Total [Avg Seasonal Load Cap]	MO AVG	<= 2.67 lb/d	Oct
001	Date of Sample Collection	DAILY MX	report only	all year
001	Date of Sample Collection	DAILY MX	report only	all year
001	Date of Sample Collection	DAILY MX	report only	all year
001	Date of Sample Collection	DAILY MX	report only	all year
001	Date of Sample Collection	DAILY MX	report only	all year
001	Date of Sample Collection	DAILY MX	report only	Jan, Apr, Jul, Oct
001	Date of Sample Collection	DAILY MX	report only	all year
001	Arsenic, sludge tot. dry wt [as As]	INST MAX	report only	Jan, Jul
001	Beryllium, sludge, tot. dry wt [as Be]	INST MAX	report only	Jan, Jul
001	Solids, total, percent	INST MIN	report only	Jan, Jul
001	Solids, fixed, % of total solids	INST MIN	report only	Jan, Jul
001	Solids, volatile % of total solids	INST MIN	report only	Jan, Jul
001	Mercury, total [as Hg]	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	Mercury, total [as Hg]	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	Jan, Apr, Jul, Oct
001	Mercury, total [as Hg]	DAILY MX	report only	all year
001	Flow	DAILY MX	report only	all year
001	Flow	DAILY MX	report only	all year
001	Flow	DAILY MX	report only	all year
001	Flow	DAILY MX	report only	all year
001	Flow	DAILY MX	report only	all year
001	Flow	DAILY MX	report only	Jan, Apr, Jul, Oct
001	Flow	DAILY MX	report only	all year
001	Zinc, sludge, total, dry weight [as Zn]	INST MAX	report only	Jan, Jul
001	Lead, sludge, total, dry weight [as Pb]	INST MAX	report only	Jan, Jul
001	Nickel, sludge, total, dry weight [as Ni]	INST MAX	report only	Jan, Jul
001	Mercury, sludge, total, dry weight [as Hg]	INST MAX	report only	Jan, Jul
001	Chromium, sludge, total, dry weight [as Cr]	INST MAX	report only	Jan, Jul
001	Copper, sludge, total, dry weight [as Cu]	INST MAX	report only	Jan, Jul
001	Cadmium, sludge, total, dry weight [as Cd]	INST MAX	report only	Jan, Jul
001	BOD, carbonaceous [5 day, 5 C]	DAILY MX	report only	all year
001	BOD, 5-day, percent removal	MN % RMV	>= 85 %	all year
001	Solids, suspended percent removal	MN % RMV	>= 85 %	all year
001	Biochemical oxygen demand-5	MO AVG	report only	all year
001	NOAEL Static 48Hr Acute D. pulex	MINIMUM	report only	Jan, Apr, Jul, Oct
001	NOAEL Static 48Hr Acute Pimephales promelas	MINIMUM	report only	Jan, Apr, Jul, Oct
001	NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia	MINIMUM	report only	all year
001	NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas	MINIMUM	report only	all year
001	NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia	MINIMUM	report only	all year
001	NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas	MINIMUM	report only	all year