MAYOR and COUNCIL OF MANCHESTER — NPDES permit MD0022578: limits, due date and EPA's record

NPDES permit MD0022578 · Minor POTW · effective, expires 2027-02-28 · EPA's file as of 2026-09-19

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

Last period with anything received: 2026-07-31. Most often over: Nitrogen, ammonia total [as N] (11), pH (4), E. coli (3).

Reporting

Reports are due about 29 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (175)

Outfall	Parameter	Statistic	Limit	Months
001	Temperature, water deg. fahrenheit	MO AVG	report only	all year
001	Temperature, water deg. fahrenheit	MX DA AV	report only	all year
001	Temperature, water deg. fahrenheit	MO AVG	report only	Jan, Feb, Mar, Dec
001	Temperature, water deg. fahrenheit	MX DA AV	report only	Jan, Feb, Mar, Dec
001	Temperature, water deg. fahrenheit	MO AVG	report only	Jan, Feb, Mar, Dec
001	Temperature, water deg. fahrenheit	MX DA AV	report only	Jan, Feb, Mar, Dec
001	Oxygen, dissolved [DO]	INST MIN	>= 6 mg/L	all year
001	BOD, 5-day, 20 deg. C	MX MO AV	<= 30 mg/L	all year
001	BOD, 5-day, 20 deg. C	MX WK AV	<= 45 mg/L	all year
001	BOD, 5-day, 20 deg. C	MX MO AV	<= 125 lb/d	all year
001	BOD, 5-day, 20 deg. C	MX WK AV	<= 188 lb/d	all year
001	pH	MINIMUM	>= 6.5 SU	all year
001	pH	MAXIMUM	<= 8.5 SU	all year
001	Solids, total suspended	MX MO AV	<= 30 mg/L	all year
001	Solids, total suspended	MX WK AV	<= 45 mg/L	all year
001	Solids, total suspended	MX MO AV	<= 125 lb/d	all year
001	Solids, total suspended	MX WK AV	<= 188 lb/d	all year
001	Nitrogen, total [as N]	MO AVG	report only	Jan, Feb, Mar, Dec
001	Nitrogen, total [as N]	MO TOTAL	report only	Jan, Feb, Mar, Dec
001	Nitrogen, total [as N]	CUM TOTL	report only	all year
001	Nitrogen, organic total [as N]	MO AVG	report only	all year
001	Nitrogen, ammonia total [as N]	MX MO AV	<= 4.6 mg/L	all year
001	Nitrogen, ammonia total [as N]	MX DA AV	<= 14 mg/L	all year
001	Nitrogen, ammonia total [as N]	MX MO AV	<= 19 lb/d	all year
001	Nitrogen, ammonia total [as N]	MX DA AV	<= 58 lb/d	all year
001	Nitrite + Nitrate total [as N]	MO AVG	report only	all year
001	Phosphorus, total [as P]	MX MO AV	<= 1 mg/L	all year
001	Phosphorus, total [as P]	MX WK AV	<= 1.5 mg/L	all year
001	Phosphorus, total [as P]	MX MO AV	<= 4.2 lb/d	all year
001	Phosphorus, total [as P]	MO TOTAL	report only	Jan, Feb, Mar, Dec
001	Phosphorus, total [as P]	CUM TOTL	report only	all year
001	Phosphorus, total [as P]	MX WK AV	<= 6.3 lb/d	all year
001	Phosphorus, total [as P]	ANNL MAX	report only	Jan, Feb, Mar, Dec
001	Phosphorus, total [as P]	CUM TOTL	report only	Jan, Feb, Mar, Dec
001	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
001	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
001	E. coli	GX	<= 126 MPN/100mL	all year
001	Phosphorous, in total orthophosphate	MO AVG	report only	all year
001	Flow, total	TOTAL	report only	Jan, Feb, Mar, Dec
002	BOD, 5-day, 20 deg. C	MO AVG	<= 70 mg/L	all year
002	pH	MINIMUM	>= 6.5 SU	all year
002	pH	MAXIMUM	<= 8.5 SU	all year
002	Solids, total suspended	MO AVG	<= 90 mg/L	all year
002	Nitrogen, total [as N]	MO AVG	report only	Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov
002	Nitrogen, Kjeldahl, total [as N]	MO AVG	report only	Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov
002	Nitrite + Nitrate total [as N]	MO AVG	report only	Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov
002	Flow, in conduit or thru treatment plant	ANNL AVG	<= .5 MGD	Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov
002	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
002	Coliform, fecal general	GX	<= 200 MPN/100mL	all year
MWS	pH	AVERAGE	report only	all year
MWS	pH	AVERAGE	report only	all year
MWS	pH	AVERAGE	report only	all year
MWS	pH	AVERAGE	report only	all year
MWS	pH	AVERAGE	report only	all year
MWS	pH	AVERAGE	report only	all year
MWS	pH	AVERAGE	report only	all year
MWS	pH	AVERAGE	report only	all year
MWS	pH	AVERAGE	report only	all year
MWS	pH	AVERAGE	report only	all year
MWS	pH	AVERAGE	report only	all year
MWS	pH	AVERAGE	report only	all year
MWS	pH	AVERAGE	report only	all year
MWS	pH	AVERAGE	report only	all year
MWS	Nitrogen, total [as N]	AVERAGE	<= 10 mg/L	all year
MWS	Nitrogen, total [as N]	AVERAGE	<= 10 mg/L	all year
MWS	Nitrogen, total [as N]	AVERAGE	<= 10 mg/L	all year
MWS	Nitrogen, total [as N]	AVERAGE	<= 10 mg/L	all year
MWS	Nitrogen, total [as N]	AVERAGE	<= 10 mg/L	all year
MWS	Nitrogen, total [as N]	AVERAGE	<= 10 mg/L	all year
MWS	Nitrogen, total [as N]	AVERAGE	<= 10 mg/L	all year
MWS	Nitrogen, total [as N]	AVERAGE	<= 10 mg/L	all year
MWS	Nitrogen, total [as N]	AVERAGE	<= 10 mg/L	all year
MWS	Nitrogen, total [as N]	AVERAGE	report only	all year
MWS	Nitrogen, total [as N]	AVERAGE	report only	all year
MWS	Nitrogen, total [as N]	AVERAGE	report only	all year
MWS	Nitrogen, total [as N]	AVERAGE	report only	all year
MWS	Nitrogen, total [as N]	AVERAGE	report only	all year
MWS	Nitrogen, nitrite total [as N]	AVERAGE	report only	all year
MWS	Nitrogen, nitrite total [as N]	AVERAGE	report only	all year
MWS	Nitrogen, nitrite total [as N]	AVERAGE	report only	all year
MWS	Nitrogen, nitrite total [as N]	AVERAGE	report only	all year
MWS	Nitrogen, nitrite total [as N]	AVERAGE	report only	all year
MWS	Nitrogen, nitrite total [as N]	AVERAGE	report only	all year
MWS	Nitrogen, nitrite total [as N]	AVERAGE	report only	all year
MWS	Nitrogen, nitrite total [as N]	AVERAGE	report only	all year
MWS	Nitrogen, nitrite total [as N]	AVERAGE	report only	all year
MWS	Nitrogen, nitrite total [as N]	AVERAGE	report only	all year
MWS	Nitrogen, nitrite total [as N]	AVERAGE	report only	all year
MWS	Nitrogen, nitrite total [as N]	AVERAGE	report only	all year
MWS	Nitrogen, nitrite total [as N]	AVERAGE	report only	all year
MWS	Nitrogen, nitrite total [as N]	AVERAGE	report only	all year
MWS	Nitrogen, nitrate total [as N]	AVERAGE	<= 10 mg/L	all year
MWS	Nitrogen, nitrate total [as N]	AVERAGE	<= 10 mg/L	all year
MWS	Nitrogen, nitrate total [as N]	AVERAGE	<= 10 mg/L	all year
MWS	Nitrogen, nitrate total [as N]	AVERAGE	<= 10 mg/L	all year
MWS	Nitrogen, nitrate total [as N]	AVERAGE	<= 10 mg/L	all year
MWS	Nitrogen, nitrate total [as N]	AVERAGE	<= 10 mg/L	all year
MWS	Nitrogen, nitrate total [as N]	AVERAGE	<= 10 mg/L	all year
MWS	Nitrogen, nitrate total [as N]	AVERAGE	<= 10 mg/L	all year
MWS	Nitrogen, nitrate total [as N]	AVERAGE	<= 10 mg/L	all year
MWS	Nitrogen, nitrate total [as N]	AVERAGE	report only	all year
MWS	Nitrogen, nitrate total [as N]	AVERAGE	report only	all year
MWS	Nitrogen, nitrate total [as N]	AVERAGE	report only	all year
MWS	Nitrogen, nitrate total [as N]	AVERAGE	report only	all year
MWS	Nitrogen, nitrate total [as N]	AVERAGE	report only	all year
MWS	Nitrogen, Kjeldahl, total [as N]	AVERAGE	report only	all year
MWS	Nitrogen, Kjeldahl, total [as N]	AVERAGE	report only	all year
MWS	Nitrogen, Kjeldahl, total [as N]	AVERAGE	report only	all year
MWS	Nitrogen, Kjeldahl, total [as N]	AVERAGE	report only	all year
MWS	Nitrogen, Kjeldahl, total [as N]	AVERAGE	report only	all year
MWS	Nitrogen, Kjeldahl, total [as N]	AVERAGE	report only	all year
MWS	Nitrogen, Kjeldahl, total [as N]	AVERAGE	report only	all year
MWS	Nitrogen, Kjeldahl, total [as N]	AVERAGE	report only	all year
MWS	Nitrogen, Kjeldahl, total [as N]	AVERAGE	report only	all year
MWS	Nitrogen, Kjeldahl, total [as N]	AVERAGE	report only	all year
MWS	Nitrogen, Kjeldahl, total [as N]	AVERAGE	report only	all year
MWS	Nitrogen, Kjeldahl, total [as N]	AVERAGE	report only	all year
MWS	Nitrogen, Kjeldahl, total [as N]	AVERAGE	report only	all year
MWS	Nitrogen, Kjeldahl, total [as N]	AVERAGE	report only	all year
MWS	Phosphate, total [as PO4]	AVERAGE	report only	all year
MWS	Phosphate, total [as PO4]	AVERAGE	report only	all year
MWS	Phosphate, total [as PO4]	AVERAGE	report only	all year
MWS	Phosphate, total [as PO4]	AVERAGE	report only	all year
MWS	Phosphate, total [as PO4]	AVERAGE	report only	all year
MWS	Phosphate, total [as PO4]	AVERAGE	report only	all year
MWS	Phosphate, total [as PO4]	AVERAGE	report only	all year
MWS	Phosphate, total [as PO4]	AVERAGE	report only	all year
MWS	Phosphate, total [as PO4]	AVERAGE	report only	all year
MWS	Phosphate, total [as PO4]	AVERAGE	report only	all year
MWS	Phosphate, total [as PO4]	AVERAGE	report only	all year
MWS	Phosphate, total [as PO4]	AVERAGE	report only	all year
MWS	Phosphate, total [as PO4]	AVERAGE	report only	all year
MWS	Phosphate, total [as PO4]	AVERAGE	report only	all year
MWS	Chloride [as Cl]	AVERAGE	<= 250 mg/L	all year
MWS	Chloride [as Cl]	AVERAGE	<= 250 mg/L	all year
MWS	Chloride [as Cl]	AVERAGE	<= 250 mg/L	all year
MWS	Chloride [as Cl]	AVERAGE	<= 250 mg/L	all year
MWS	Chloride [as Cl]	AVERAGE	<= 250 mg/L	all year
MWS	Chloride [as Cl]	AVERAGE	<= 250 mg/L	all year
MWS	Chloride [as Cl]	AVERAGE	<= 250 mg/L	all year
MWS	Chloride [as Cl]	AVERAGE	<= 250 mg/L	all year
MWS	Chloride [as Cl]	AVERAGE	<= 250 mg/L	all year
MWS	Chloride [as Cl]	AVERAGE	report only	all year
MWS	Chloride [as Cl]	AVERAGE	report only	all year
MWS	Chloride [as Cl]	AVERAGE	report only	all year
MWS	Chloride [as Cl]	AVERAGE	report only	all year
MWS	Chloride [as Cl]	AVERAGE	report only	all year
MWS	Solids, total dissolved	AVERAGE	<= 500 mg/L	all year
MWS	Solids, total dissolved	AVERAGE	<= 500 mg/L	all year
MWS	Solids, total dissolved	AVERAGE	<= 500 mg/L	all year
MWS	Solids, total dissolved	AVERAGE	<= 500 mg/L	all year
MWS	Solids, total dissolved	AVERAGE	<= 500 mg/L	all year
MWS	Solids, total dissolved	AVERAGE	<= 500 mg/L	all year
MWS	Solids, total dissolved	AVERAGE	<= 500 mg/L	all year
MWS	Solids, total dissolved	AVERAGE	<= 500 mg/L	all year
MWS	Solids, total dissolved	AVERAGE	<= 500 mg/L	all year
MWS	Solids, total dissolved	AVERAGE	report only	all year
MWS	Solids, total dissolved	AVERAGE	report only	all year
MWS	Solids, total dissolved	AVERAGE	report only	all year
MWS	Solids, total dissolved	AVERAGE	report only	all year
MWS	Solids, total dissolved	AVERAGE	report only	all year
MWS	Coliform, fecal general	AVERAGE	<= 0 MPN/100mL	all year
MWS	Coliform, fecal general	AVERAGE	<= 0 MPN/100mL	all year
MWS	Coliform, fecal general	AVERAGE	<= 0 MPN/100mL	all year
MWS	Coliform, fecal general	AVERAGE	<= 0 MPN/100mL	all year
MWS	Coliform, fecal general	AVERAGE	<= 0 MPN/100mL	all year
MWS	Coliform, fecal general	AVERAGE	<= 0 MPN/100mL	all year
MWS	Coliform, fecal general	AVERAGE	<= 0 MPN/100mL	all year
MWS	Coliform, fecal general	AVERAGE	<= 0 MPN/100mL	all year
MWS	Coliform, fecal general	AVERAGE	<= 0 MPN/100mL	all year
MWS	Coliform, fecal general	AVERAGE	report only	all year
MWS	Coliform, fecal general	AVERAGE	report only	all year
MWS	Coliform, fecal general	AVERAGE	report only	all year
MWS	Coliform, fecal general	AVERAGE	report only	all year
MWS	Coliform, fecal general	AVERAGE	report only	all year