WORTON-BUTLERTOWN WWTP — NPDES permit MD0060585: limits, due date and EPA's record

NPDES permit MD0060585 · Minor POTW · effective, expires 2029-10-31 · 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: BOD, 5-day, 20 deg. C (1).

Reporting

Reports are due about 28 days after each monitoring period ends (the most common figure among MD permits in EPA's filings — check your permit).

Limits in force (198)

Outfall	Parameter	Statistic	Limit	Months
000	Flow	MO AVG	report only	all year
000	Flow	DAILY MX	report only	all year
000	Discharge event observation [Visual Monitoring]	TOTAL	report only	all year
001	Oxygen, dissolved [DO]	INST MIN	>= 5 mg/L	all year
001	BOD, 5-day, 20 deg. C	MX MO AV	<= 5 mg/L	May, Jun, Jul, Aug, Sep, Oct
001	BOD, 5-day, 20 deg. C	MX MO AV	<= 9 mg/L	Jan, Feb, Mar, Apr, Nov, Dec
001	BOD, 5-day, 20 deg. C	MX WK AV	<= 8 mg/L	May, Jun, Jul, Aug, Sep, Oct
001	BOD, 5-day, 20 deg. C	MX WK AV	<= 14 mg/L	Jan, Feb, Mar, Apr, Nov, Dec
001	BOD, 5-day, 20 deg. C	MX MO AV	<= 10 lb/d	May, Jun, Jul, Aug, Sep, Oct
001	BOD, 5-day, 20 deg. C	MX MO AV	<= 19 lb/d	Jan, Feb, Mar, Apr, Nov, Dec
001	BOD, 5-day, 20 deg. C	MX WK AV	<= 17 lb/d	May, Jun, Jul, Aug, Sep, Oct
001	BOD, 5-day, 20 deg. C	MX WK AV	<= 29 lb/d	Jan, Feb, Mar, Apr, Nov, Dec
001	pH	MINIMUM	>= 6.5 SU	all year
001	pH	MAXIMUM	<= 8 SU	all year
001	Solids, total suspended	MX MO AV	<= 15 mg/L	all year
001	Solids, total suspended	MX WK AV	<= 23 mg/L	all year
001	Solids, total suspended	MX MO AV	<= 31 lb/d	all year
001	Solids, total suspended	MX WK AV	<= 48 lb/d	all year
001	Nitrogen, total [as N]	TC	<= 1816 lb/yr	May, Jun, Jul, Aug, Sep, Oct
001	Nitrogen, total [as N]	MAXIMUM	<= 3631 lb/yr	all year
001	Nitrogen, total [as N]	MO TOTAL	report only	all year
001	Nitrogen, total [as N]	MO AVG	report only	all year
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	<= 1.3 mg/L	May, Jun, Jul, Aug, Sep, Oct
001	Nitrogen, ammonia total [as N]	MX MO AV	<= 3.2 mg/L	Jan, Feb, Mar, Apr, Nov, Dec
001	Nitrogen, ammonia total [as N]	MX DA AV	<= 8.4 mg/L	May, Jun, Jul, Aug, Sep, Oct
001	Nitrogen, ammonia total [as N]	MX DA AV	<= 11 mg/L	Jan, Feb, Mar, Apr, Nov, Dec
001	Nitrogen, ammonia total [as N]	MX MO AV	<= 2.7 lb/d	May, Jun, Jul, Aug, Sep, Oct
001	Nitrogen, ammonia total [as N]	MX MO AV	<= 6.7 lb/d	Jan, Feb, Mar, Apr, Nov, Dec
001	Nitrogen, ammonia total [as N]	MX DA AV	<= 18 lb/d	May, Jun, Jul, Aug, Sep, Oct
001	Nitrogen, ammonia total [as N]	MX DA AV	<= 23 lb/d	Jan, Feb, Mar, Apr, Nov, Dec
001	Nitrogen, Kjeldahl, total [as N]	MO AVG	report only	all year
001	Nitrite + Nitrate total [as N]	MO AVG	report only	all year
001	Phosphorus, total [as P]	MAXIMUM	<= 228 lb/yr	all year
001	Phosphorus, total [as P]	TC	<= 90 lb/yr	May, Jun, Jul, Aug, Sep, Oct
001	Phosphorus, total [as P]	MO TOTAL	report only	all year
001	Phosphorus, total [as P]	MO AVG	report only	all year
001	Phosphorus, total [as P]	CUM TOTL	report only	all year
001	Phosphate, ortho [as P]	MO AVG	report only	all year
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	Chlorine, total residual	MAXIMUM	<= .1 mg/L	all year
001	E. coli	GX	<= 76 MPN/100mL	all year
001	Flow	MO AVG	report only	all year
001	Flow	DAILY MX	report only	all year
001	Flow	MO AVG	report only	all year
001	Flow	DAILY MX	report only	all year
001	BOD, 5-day, percent removal	MINIMUM	>= 85 %	all year
001	Solids, suspended percent removal	MINIMUM	>= 85 %	all year
001	Flow, total	MO TOTAL	report only	all year
001	Discharge event observation [Visual Monitoring]	TOTAL	report only	Jan, Feb, Mar, Apr, Nov, Dec
001	Discharge event observation [Visual Monitoring]	MO TOTAL	report only	all year
001	Discharge event observation [Visual Monitoring]	TOTAL	report only	all year
002	BOD, 5-day, 20 deg. C	MX MO AV	<= 10 mg/L	all year
002	pH	MINIMUM	>= 6.5 SU	all year
002	pH	MAXIMUM	<= 8.5 SU	all year
002	Solids, total suspended	MX MO AV	<= 10 mg/L	all year
002	Nitrogen, total [as N]	MX MO AV	<= 8 mg/L	all year
002	Nitrogen, Kjeldahl, total [as N]	MO AVG	report only	all year
002	Nitrite + Nitrate total [as N]	MO AVG	report only	all year
002	Sodium, total [as Na]	MX MO AV	<= 100 mg/L	all year
002	Sodium adsorption ratio	MX MO AV	<= 9 Ratio	Jun, Jul, Aug
002	Flow, in conduit or thru treatment plant	ANNL AVG	<= .195 MGD	all year
002	Coliform, fecal general	MO AVG	<= 3 MPN/100mL	all year
002	Flow	MO AVG	report only	all year
002	Flow	DAILY MX	report only	all year
002	Discharge event observation [Visual Monitoring]	TOTAL	report only	all year
002	Discharge event observation [Visual Monitoring]	TOTAL	report only	all year
101	BOD, 5-day, 20 deg. C	MO AVG	report only	all year
101	Solids, total suspended	MO AVG	report only	all year
101	Flow, total	MO TOTAL	report only	all year
MWS	pH	ANNL AVG	report only	all year
MWS	pH	ANNL AVG	report only	all year
MWS	pH	ANNL AVG	report only	all year
MWS	pH	ANNL AVG	report only	all year
MWS	pH	ANNL AVG	report only	all year
MWS	pH	ANNL AVG	report only	all year
MWS	pH	ANNL AVG	report only	all year
MWS	pH	ANNL AVG	report only	all year
MWS	pH	ANNL AVG	report only	all year
MWS	pH	ANNL AVG	report only	all year
MWS	pH	ANNL AVG	report only	all year
MWS	pH	ANNL AVG	report only	all year
MWS	pH	ANNL AVG	report only	all year
MWS	pH	ANNL AVG	report only	all year
MWS	Nitrogen, total [as N]	ANNL AVG	report only	all year
MWS	Nitrogen, total [as N]	ANNL AVG	report only	all year
MWS	Nitrogen, total [as N]	ANNL AVG	report only	all year
MWS	Nitrogen, total [as N]	ANNL AVG	report only	all year
MWS	Nitrogen, total [as N]	ANNL AVG	report only	all year
MWS	Nitrogen, total [as N]	ANNL AVG	report only	all year
MWS	Nitrogen, total [as N]	ANNL AVG	report only	all year
MWS	Nitrogen, total [as N]	ANNL AVG	report only	all year
MWS	Nitrogen, total [as N]	ANNL AVG	report only	all year
MWS	Nitrogen, total [as N]	ANNL AVG	report only	all year
MWS	Nitrogen, total [as N]	ANNL AVG	report only	all year
MWS	Nitrogen, total [as N]	ANNL AVG	report only	all year
MWS	Nitrogen, total [as N]	ANNL AVG	report only	all year
MWS	Nitrogen, total [as N]	ANNL AVG	report only	all year
MWS	Nitrogen, nitrite total [as N]	ANNL AVG	report only	all year
MWS	Nitrogen, nitrite total [as N]	ANNL AVG	report only	all year
MWS	Nitrogen, nitrite total [as N]	ANNL AVG	<= 1 mg/L	all year
MWS	Nitrogen, nitrite total [as N]	ANNL AVG	<= 1 mg/L	all year
MWS	Nitrogen, nitrite total [as N]	ANNL MAX	<= 1 mg/L	all year
MWS	Nitrogen, nitrite total [as N]	ANNL MAX	<= 1 mg/L	all year
MWS	Nitrogen, nitrite total [as N]	ANNL AVG	<= 1 mg/L	all year
MWS	Nitrogen, nitrite total [as N]	ANNL AVG	<= 1 mg/L	all year
MWS	Nitrogen, nitrite total [as N]	ANNL MAX	<= 1 mg/L	all year
MWS	Nitrogen, nitrite total [as N]	ANNL MAX	<= 1 mg/L	all year
MWS	Nitrogen, nitrite total [as N]	ANNL AVG	<= 1 mg/L	all year
MWS	Nitrogen, nitrite total [as N]	ANNL AVG	<= 1 mg/L	all year
MWS	Nitrogen, nitrite total [as N]	ANNL MAX	<= 1 mg/L	all year
MWS	Nitrogen, nitrite total [as N]	ANNL MAX	<= 1 mg/L	all year
MWS	Nitrogen, nitrate total [as N]	ANNL AVG	report only	all year
MWS	Nitrogen, nitrate total [as N]	ANNL AVG	report only	all year
MWS	Nitrogen, nitrate total [as N]	ANNL AVG	report only	all year
MWS	Nitrogen, nitrate total [as N]	ANNL AVG	report only	all year
MWS	Nitrogen, nitrate total [as N]	ANNL AVG	report only	all year
MWS	Nitrogen, nitrate total [as N]	ANNL AVG	report only	all year
MWS	Nitrogen, nitrate total [as N]	ANNL AVG	report only	all year
MWS	Nitrogen, nitrate total [as N]	ANNL AVG	report only	all year
MWS	Nitrogen, nitrate total [as N]	ANNL AVG	report only	all year
MWS	Nitrogen, nitrate total [as N]	ANNL AVG	report only	all year
MWS	Nitrogen, nitrate total [as N]	ANNL AVG	report only	all year
MWS	Nitrogen, nitrate total [as N]	ANNL AVG	report only	all year
MWS	Nitrogen, nitrate total [as N]	ANNL AVG	report only	all year
MWS	Nitrogen, nitrate total [as N]	ANNL AVG	report only	all year
MWS	Nitrogen, Kjeldahl, total [as N]	ANNL AVG	report only	all year
MWS	Nitrogen, Kjeldahl, total [as N]	ANNL AVG	report only	all year
MWS	Nitrogen, Kjeldahl, total [as N]	ANNL AVG	report only	all year
MWS	Nitrogen, Kjeldahl, total [as N]	ANNL AVG	report only	all year
MWS	Nitrogen, Kjeldahl, total [as N]	ANNL AVG	report only	all year
MWS	Nitrogen, Kjeldahl, total [as N]	ANNL AVG	report only	all year
MWS	Nitrogen, Kjeldahl, total [as N]	ANNL AVG	report only	all year
MWS	Nitrogen, Kjeldahl, total [as N]	ANNL AVG	report only	all year
MWS	Nitrogen, Kjeldahl, total [as N]	ANNL AVG	report only	all year
MWS	Nitrogen, Kjeldahl, total [as N]	ANNL AVG	report only	all year
MWS	Nitrogen, Kjeldahl, total [as N]	ANNL AVG	report only	all year
MWS	Nitrogen, Kjeldahl, total [as N]	ANNL AVG	report only	all year
MWS	Nitrogen, Kjeldahl, total [as N]	ANNL AVG	report only	all year
MWS	Nitrogen, Kjeldahl, total [as N]	ANNL AVG	report only	all year
MWS	Phosphate, total [as PO4]	ANNL AVG	report only	all year
MWS	Phosphate, total [as PO4]	ANNL AVG	report only	all year
MWS	Phosphate, total [as PO4]	ANNL AVG	report only	all year
MWS	Phosphate, total [as PO4]	ANNL AVG	report only	all year
MWS	Phosphate, total [as PO4]	ANNL AVG	report only	all year
MWS	Phosphate, total [as PO4]	ANNL AVG	report only	all year
MWS	Phosphate, total [as PO4]	ANNL AVG	report only	all year
MWS	Phosphate, total [as PO4]	ANNL AVG	report only	all year
MWS	Phosphate, total [as PO4]	ANNL AVG	report only	all year
MWS	Phosphate, total [as PO4]	ANNL AVG	report only	all year
MWS	Phosphate, total [as PO4]	ANNL AVG	report only	all year
MWS	Phosphate, total [as PO4]	ANNL AVG	report only	all year
MWS	Phosphate, total [as PO4]	ANNL AVG	report only	all year
MWS	Phosphate, total [as PO4]	ANNL AVG	report only	all year
MWS	Chloride [as Cl]	ANNL AVG	report only	all year
MWS	Chloride [as Cl]	ANNL AVG	report only	all year
MWS	Chloride [as Cl]	ANNL AVG	<= 250 mg/L	all year
MWS	Chloride [as Cl]	ANNL AVG	<= 250 mg/L	all year
MWS	Chloride [as Cl]	ANNL MAX	<= 250 mg/L	all year
MWS	Chloride [as Cl]	ANNL MAX	<= 250 mg/L	all year
MWS	Chloride [as Cl]	ANNL AVG	<= 250 mg/L	all year
MWS	Chloride [as Cl]	ANNL AVG	<= 250 mg/L	all year
MWS	Chloride [as Cl]	ANNL MAX	<= 250 mg/L	all year
MWS	Chloride [as Cl]	ANNL MAX	<= 250 mg/L	all year
MWS	Chloride [as Cl]	ANNL AVG	<= 250 mg/L	all year
MWS	Chloride [as Cl]	ANNL AVG	<= 250 mg/L	all year
MWS	Chloride [as Cl]	ANNL MAX	<= 250 mg/L	all year
MWS	Chloride [as Cl]	ANNL MAX	<= 250 mg/L	all year
MWS	Solids, total dissolved	ANNL AVG	report only	all year
MWS	Solids, total dissolved	ANNL AVG	report only	all year
MWS	Solids, total dissolved	ANNL AVG	<= 500 mg/L	all year
MWS	Solids, total dissolved	ANNL AVG	<= 500 mg/L	all year
MWS	Solids, total dissolved	ANNL MAX	<= 500 mg/L	all year
MWS	Solids, total dissolved	ANNL MAX	<= 500 mg/L	all year
MWS	Solids, total dissolved	ANNL AVG	<= 500 mg/L	all year
MWS	Solids, total dissolved	ANNL AVG	<= 500 mg/L	all year
MWS	Solids, total dissolved	ANNL MAX	<= 500 mg/L	all year
MWS	Solids, total dissolved	ANNL MAX	<= 500 mg/L	all year
MWS	Solids, total dissolved	ANNL AVG	<= 500 mg/L	all year
MWS	Solids, total dissolved	ANNL AVG	<= 500 mg/L	all year
MWS	Solids, total dissolved	ANNL MAX	<= 500 mg/L	all year
MWS	Solids, total dissolved	ANNL MAX	<= 500 mg/L	all year
MWS	Coliform, fecal general	ANNL AVG	report only	all year
MWS	Coliform, fecal general	ANNL AVG	report only	all year
MWS	Coliform, fecal general	ANNL AVG	<= 2 MPN/100mL	all year
MWS	Coliform, fecal general	ANNL AVG	<= 2 MPN/100mL	all year
MWS	Coliform, fecal general	ANNL MAX	<= 2 MPN/100mL	all year
MWS	Coliform, fecal general	ANNL MAX	<= 2 MPN/100mL	all year
MWS	Coliform, fecal general	ANNL AVG	<= 2 MPN/100mL	all year
MWS	Coliform, fecal general	ANNL AVG	<= 2 MPN/100mL	all year
MWS	Coliform, fecal general	ANNL MAX	<= 2 MPN/100mL	all year
MWS	Coliform, fecal general	ANNL MAX	<= 2 MPN/100mL	all year
MWS	Coliform, fecal general	ANNL AVG	<= 2 MPN/100mL	all year
MWS	Coliform, fecal general	ANNL AVG	<= 2 MPN/100mL	all year
MWS	Coliform, fecal general	ANNL MAX	<= 2 MPN/100mL	all year
MWS	Coliform, fecal general	ANNL MAX	<= 2 MPN/100mL	all year