LOGAN CITY CORPORATION — NPDES permit UT0021920: limits, due date and EPA's record

NPDES permit UT0021920 · Major POTW · effective, expires 2030-10-31 · EPA's file as of 2026-09-19

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

Last period with anything received: 2026-08-31. Most often over: Cyanide, total [as CN] (1).

Reporting

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

Limits in force (72)

Outfall	Parameter	Statistic	Limit	Months
003	Oxygen, dissolved [DO]	MO AV MN	>= 5.5 mg/L	Jul, Aug, Sep
003	Oxygen, dissolved [DO]	MO AV MN	>= 5.5 mg/L	Oct, Nov, Dec
003	Oxygen, dissolved [DO]	MO AV MN	>= 4 mg/L	Jan, Feb, Mar
003	Oxygen, dissolved [DO]	MO AV MN	>= 5 mg/L	Apr, May, Jun
003	Oxygen, dissolved [DO]	DAILY MN	>= 4 mg/L	Jul, Aug, Sep
003	Oxygen, dissolved [DO]	DAILY MN	>= 4 mg/L	Oct, Nov, Dec
003	Oxygen, dissolved [DO]	DAILY MN	>= 4 mg/L	Jan, Feb, Mar
003	Oxygen, dissolved [DO]	DAILY MN	>= 4 mg/L	Apr, May, Jun
003	BOD, 5-day, 20 deg. C	MX MO AV	<= 25 mg/L	all year
003	BOD, 5-day, 20 deg. C	MX WK AV	<= 35 mg/L	all year
003	BOD, 5-day, 20 deg. C	MX MO AV	report only	all year
003	BOD, 5-day, 20 deg. C	MX WK AV	report only	all year
003	pH	DAILY MN	>= 6.5 SU	all year
003	pH	DAILY MX	<= 9 SU	all year
003	Solids, total suspended	MX MO AV	<= 25 mg/L	all year
003	Solids, total suspended	MX WK AV	<= 35 mg/L	all year
003	Solids, total suspended	MX MO AV	report only	all year
003	Solids, total suspended	MX WK AV	report only	all year
003	Oil & Grease	DAILY MX	<= 10 mg/L	all year
003	Nitrogen, ammonia total [as N]	MX MO AV	<= 2 mg/L	Jul, Aug, Sep
003	Nitrogen, ammonia total [as N]	MX MO AV	<= 2 mg/L	Apr, May, Jun
003	Nitrogen, ammonia total [as N]	MX MO AV	<= 3.5 mg/L	Oct, Nov, Dec
003	Nitrogen, ammonia total [as N]	MX MO AV	<= 3 mg/L	Jan, Feb, Mar
003	Nitrogen, ammonia total [as N]	DAILY MX	<= 10 mg/L	Jul, Aug, Sep
003	Nitrogen, ammonia total [as N]	DAILY MX	<= 5.8 mg/L	Apr, May, Jun
003	Nitrogen, ammonia total [as N]	DAILY MX	<= 12 mg/L	Oct, Nov, Dec
003	Nitrogen, ammonia total [as N]	DAILY MX	<= 11 mg/L	Jan, Feb, Mar
003	Nitrogen, Kjeldahl, total [as N]	MX MO AV	report only	all year
003	Nitrogen, Kjeldahl, total [as N]	MX MO AV	report only	all year
003	Phosphorus, total [as P]	MX MO AV	report only	all year
003	Phosphorus, total [as P]	SX	<= 12901 kg/yr	Jan, Feb, Mar, Apr, Nov, Dec
003	Phosphorus, total [as P]	SX	<= 11487 kg/yr	May, Jun, Aug, Sep, Oct
003	Phosphorus, total [as P]	MX MO AV	report only	all year
003	Cyanide, total [as CN]	MX MO AV	<= 5.4 ug/L	all year
003	Cyanide, total [as CN]	QB	report only	all year
003	Cyanide, total [as CN]	QB	report only	all year
003	Arsenic, total [as As]	QB	report only	all year
003	Arsenic, total [as As]	QB	report only	all year
003	Cadmium, total [as Cd]	QB	report only	all year
003	Cadmium, total [as Cd]	QB	report only	all year
003	Chromium, total [as Cr]	QB	report only	all year
003	Chromium, total [as Cr]	QB	report only	all year
003	Copper, total [as Cu]	QB	report only	all year
003	Copper, total [as Cu]	QB	report only	all year
003	Lead, total [as Pb]	QB	report only	all year
003	Lead, total [as Pb]	QB	report only	all year
003	Molybdenum, total [as Mo]	QB	report only	all year
003	Molybdenum, total [as Mo]	QB	report only	all year
003	Nickel, total [as Ni]	QB	report only	all year
003	Nickel, total [as Ni]	QB	report only	all year
003	Silver, total [as Ag]	QB	report only	all year
003	Silver, total [as Ag]	QB	report only	all year
003	Zinc, total recoverable	QB	report only	all year
003	Zinc, total recoverable	QB	report only	all year
003	Copper, total recoverable	MX MO AV	<= 25.2 mg/L	all year
003	Selenium, total [as Se]	QB	report only	all year
003	Selenium, total [as Se]	QB	report only	all year
003	Phosphate, ortho [as P]	MX MO AV	report only	all year
003	E. coli	MX MO AV	<= 126 #/100mL	all year
003	E. coli	MX WK AV	<= 158 #/100mL	all year
003	Solids, total dissolved	DAILY MX	<= 1237 mg/L	all year
003	Nitrogen, nitrate total [as NO3]	MX MO AV	report only	all year
003	Nitrogen, nitrite total [as NO2]	MX MO AV	report only	all year
003	Mercury, total [as Hg]	MX MO AV	<= .012 ug/L	all year
003	Mercury, total [as Hg]	QB	report only	all year
003	Mercury, total [as Hg]	QB	report only	all year
003	BOD, 5-day, percent removal	MINIMUM	>= 85 %	all year
003	Solids, suspended percent removal	MINIMUM	>= 85 %	all year
003	Flow, total	MX MO AV	<= 21 MGD	all year
003	Flow, total	MX MO AV	report only	all year
003	Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia	DAILY MX	<= 0 pass=0;fail=1	Apr, May, Jun, Oct, Nov, Dec
003	Pass/Fail Static Renewal 7Day Chronic Pimephales promelas	DAILY MX	<= 0 pass=0;fail=1	Jan, Feb, Mar, Jul, Aug, Sep