CHEMUNG COUNTY SEWER DISTRICTS — NPDES permit NY0036986: limits, due date and EPA's record

NPDES permit NY0036986 · Major POTW · effective, expires 2026-09-30 · 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: Phosphorus, total [as P] (17), BOD, carbonaceous [5 day, 20 C] (10), Solids, suspended percent removal (8).

Reporting

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

Limits in force (98)

Outfall	Parameter	Statistic	Limit	Months
003	Temperature, water deg. fahrenheit	DAILY MX	report only	all year
003	Temperature, water deg. fahrenheit	DAILY MX	report only	all year
003	Oxygen demand, ultimate	DAILY MX	report only	Jun, Jul, Aug, Sep, Oct
003	Oxygen demand, ultimate	DAILY MX	<= 3400 lb/d	Jun, Jul, Aug, Sep, Oct
003	Oxygen, dissolved [DO]	DAILY MN	>= 6 mg/L	all year
003	pH	MINIMUM	>= 6 SU	all year
003	pH	MAXIMUM	<= 9 SU	all year
003	pH	MINIMUM	report only	all year
003	pH	MAXIMUM	report only	all year
003	Solids, total suspended	MO AVG	<= 30 mg/L	all year
003	Solids, total suspended	7 DA AVG	<= 45 mg/L	all year
003	Solids, total suspended	MO AVG	<= 3100 lb/d	all year
003	Solids, total suspended	7 DA AVG	<= 4600 lb/d	all year
003	Solids, total suspended	MO AVG	report only	all year
003	Solids, total suspended	7 DA AVG	report only	all year
003	Solids, total suspended	MO AVG	report only	all year
003	Solids, total suspended	7 DA AVG	report only	all year
003	Solids, settleable	DAILY MX	<= .3 mL/L	all year
003	Nitrogen, total [as N]	MO AVG	report only	all year
003	Nitrogen, total [as N]	MO AVG	report only	all year
003	Nitrogen, total [as N]	12	<= 292300 lb/yr	all year
003	Nitrogen, total [as N]	MO TOTAL	report only	all year
003	Nitrogen, total [as N]	12	<= 602300 lb/yr	all year
003	Nitrogen, ammonia total [as N]	MO AVG	<= 5.7 mg/L	Jun, Jul, Aug, Sep, Oct
003	Nitrogen, ammonia total [as N]	MO AVG	report only	Jan, Feb, Mar, Apr, May, Nov, Dec
003	Nitrogen, ammonia total [as N]	MO AVG	report only	Jun, Jul, Aug, Sep, Oct
003	Nitrogen, ammonia total [as N]	MO AVG	<= 310 lb/d	Jun, Jul, Aug, Sep, Oct
003	Nitrogen, ammonia total [as N]	MO AVG	report only	Jan, Feb, Mar, Apr, May, Nov, Dec
003	Nitrogen, ammonia total [as N]	MO AVG	report only	Jun, Jul, Aug, Sep, Oct
003	Nitrogen, nitrite total [as N]	MO AVG	report only	all year
003	Nitrogen, nitrite total [as N]	MO AVG	report only	all year
003	Nitrogen, nitrite total [as N]	MO AVG	report only	all year
003	Nitrogen, nitrite total [as N]	MO AVG	report only	all year
003	Nitrogen, nitrate total [as N]	MO AVG	report only	all year
003	Nitrogen, nitrate total [as N]	MO AVG	report only	all year
003	Nitrogen, nitrate total [as N]	MO AVG	report only	all year
003	Nitrogen, nitrate total [as N]	MO AVG	report only	all year
003	Nitrogen, Kjeldahl, total [as N]	DAILY MX	report only	all year
003	Nitrogen, Kjeldahl, total [as N]	DAILY MX	report only	all year
003	Phosphorus, total [as P]	MO AVG	<= 1 mg/L	all year
003	Phosphorus, total [as P]	MO AVG	report only	all year
003	Phosphorus, total [as P]	MO AVG	report only	all year
003	Phosphorus, total [as P]	MO AVG	report only	all year
003	Phosphorus, total [as P]	12	<= 18300 lb/yr	all year
003	Phosphorus, total [as P]	MO TOTAL	report only	all year
003	Cyanide, free [amenable to chlorination]	DAILY MX	report only	all year
003	Cyanide, free [amenable to chlorination]	DAILY MX	<= 2.7 lb/d	all year
003	Fluoride, total [as F]	DAILY MX	report only (alert)	all year
003	Fluoride, total [as F]	DAILY MX	<= 58 lb/d (alert)	all year
003	Cadmium, total [as Cd]	DAILY MX	report only	all year
003	Cadmium, total [as Cd]	DAILY MX	<= .23 lb/d	all year
003	Copper, total [as Cu]	DAILY MX	report only (alert)	all year
003	Copper, total [as Cu]	DAILY MX	<= 3.3 lb/d (alert)	all year
003	Iron, total [as Fe]	DAILY MX	report only (alert)	all year
003	Iron, total [as Fe]	DAILY MX	<= 18 lb/d (alert)	all year
003	Lead, total [as Pb]	DAILY MX	report only	all year
003	Lead, total [as Pb]	DAILY MX	<= .41 lb/d	all year
003	Thallium, total [as Tl]	DAILY MX	report only	all year
003	Thallium, total [as Tl]	DAILY MX	<= .41 lb/d	all year
003	Zinc, total [as Zn]	DAILY MX	report only (alert)	all year
003	Zinc, total [as Zn]	DAILY MX	<= 2.4 lb/d (alert)	all year
003	Antimony, total [as Sb]	DAILY MX	report only	all year
003	Antimony, total [as Sb]	DAILY MX	<= 1 lb/d	all year
003	Aluminum, dissolved [as Al]	DAILY MX	report only	all year
003	Aluminum, dissolved [as Al]	DAILY MX	<= 12 lb/d	all year
003	Total phenols	DAILY MX	report only	all year
003	Total phenols	DAILY MX	<= .61 lb/d	all year
003	1,1,1-Trichloroethane	DAILY MX	report only (alert)	all year
003	1,1,1-Trichloroethane	DAILY MX	<= 2 lb/d (alert)	all year
003	Di[2-ethylhexyl] phthalate [DEHP]	DAILY MX	report only (alert)	all year
003	Di[2-ethylhexyl] phthalate [DEHP]	DAILY MX	<= 1 lb/d (alert)	all year
003	Di-n-butyl phthalate	DAILY MX	report only (alert)	all year
003	Di-n-butyl phthalate	DAILY MX	<= 1 lb/d (alert)	all year
003	Flow, in conduit or thru treatment plant	ROLL AVG	<= 12 MGD	all year
003	Chlorine, total residual	MO AVG	report only	May, Jun, Jul, Aug, Sep, Oct
003	Chlorine, total residual	MO AVG	report only	May, Jun, Jul, Aug, Sep, Oct
003	Chlorine, total residual	DAILY MX	<= 32 ug/L	May, Jun, Jul, Aug, Sep, Oct
003	Chlorine, total residual	DAILY MX	report only	May, Jun, Jul, Aug, Sep, Oct
003	Chlorine, total residual	MO AVG	report only	May, Jun, Jul, Aug, Sep, Oct
003	Chlorine, total residual	MO AVG	report only	May, Jun, Jul, Aug, Sep, Oct
003	Chlorine, total residual	DAILY MX	<= 3.2 lb/d	May, Jun, Jul, Aug, Sep, Oct
003	Chlorine, total residual	DAILY MX	report only	May, Jun, Jul, Aug, Sep, Oct
003	Mercury, total [as Hg]	ROLL AVG	<= 12 ng/L	all year
003	Mercury, total [as Hg]	DAILY MX	<= 50 ng/L	all year
003	Coliform, fecal general	30DA GEO	<= 200 #/100mL	May, Jun, Jul, Aug, Sep, Oct
003	Coliform, fecal general	30DA GEO	report only	May, Jun, Jul, Aug, Sep, Oct
003	Coliform, fecal general	7 DA GEO	<= 400 #/100mL	May, Jun, Jul, Aug, Sep, Oct
003	Coliform, fecal general	7 DA GEO	report only	May, Jun, Jul, Aug, Sep, Oct
003	BOD, carbonaceous [5 day, 20 C]	MO AVG	<= 25 mg/L	all year
003	BOD, carbonaceous [5 day, 20 C]	7 DA AVG	<= 40 mg/L	all year
003	BOD, carbonaceous [5 day, 20 C]	MO AVG	<= 2500 lb/d	all year
003	BOD, carbonaceous [5 day, 20 C]	7 DA AVG	<= 4100 lb/d	all year
003	BOD, carbonaceous [5 day, 20 C]	MO AVG	report only	all year
003	BOD, carbonaceous [5 day, 20 C]	7 DA AVG	report only	all year
003	BOD, carbonaceous [5 day, 20 C]	MO AVG	report only	all year
003	BOD, carbonaceous [5 day, 20 C]	7 DA AVG	report only	all year
003	Solids, suspended percent removal	MO AV MN	>= 75 %	all year
003	Carbonaceous oxygen demand, % removal	MO AV MN	>= 70 %	all year