CORNING INC — NPDES permit NY0003972: limits, due date and EPA's record

NPDES permit NY0003972 · Minor NON-POTW · effective, expires 2028-04-30 · EPA's file as of 2026-09-19

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

Last period with anything received: 2026-08-31. Most often over: Solids, total suspended (1).

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 (37)

Outfall	Parameter	Statistic	Limit	Months
002	Temperature, water deg. fahrenheit	DAILY MX	<= 90 deg F	all year
002	BOD, 5-day, 20 deg. C	DAILY MX	report only	all year
002	Oxygen demand, chem. [high level] [COD]	DAILY MX	report only	all year
002	Oxygen demand, chem. [high level] [COD]	DAILY MX	<= 130 lb/d	all year
002	pH	MINIMUM	>= 6 SU	all year
002	pH	MAXIMUM	<= 9 SU	all year
002	Solids, total suspended	DAILY MX	<= 50 mg/L	all year
002	Oil & Grease	DAILY MX	<= 15 mg/L	all year
002	Nitrogen, ammonia total [as N]	DAILY MX	report only	all year
002	Nitrogen, ammonia total [as N]	DAILY MX	<= 2.5 lb/d	all year
002	Phosphorus, total [as P]	DAILY MX	report only	all year
002	Phosphorus, total [as P]	DAILY MX	report only	all year
002	Chloride [as Cl]	DAILY MX	report only	all year
002	Fluoride, total [as F]	DAILY MX	<= 12 mg/L	all year
002	Boron, total [as B]	DAILY MX	<= .5 mg/L (alert)	all year
002	Copper, dissolved [as Cu]	DAILY MX	report only	all year
002	Iron, total [as Fe]	DAILY MX	<= 1 mg/L (alert)	all year
002	Lead, total [as Pb]	DAILY MX	<= .1 mg/L (alert)	all year
002	Zinc, total [as Zn]	DAILY MX	<= .5 mg/L (alert)	all year
002	Copper, total recoverable	DAILY MX	report only	all year
002	Copper, total recoverable	DAILY MX	<= 2.2 lb/d	all year
002	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
002	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
002	Chlorine, total residual	DAILY MX	<= 2 mg/L	all year
002	Solids, total dissolved	DAILY MX	report only	all year
002	2,2-Dibromo-3-nitrilopropionamide	DAILY MX	<= 2.6 mg/L	all year
002	Acetone	DAILY MX	<= .4 mg/L (alert)	all year
007	Flow rate	DAILY MX	report only	all year
007	BOD, 5-day, 20 deg. C	DAILY MX	report only	all year
007	pH	MINIMUM	>= 6 SU	all year
007	pH	MAXIMUM	<= 9 SU	all year
007	Solids, total suspended	DAILY MX	<= 50 mg/L	all year
007	Oil & Grease	DAILY MX	<= 15 mg/L	all year
007	Nitrogen, ammonia total [as N]	DAILY MX	report only	all year
007	Chloride [as Cl]	DAILY MX	report only	all year
007	Fluoride, total [as F]	DAILY MX	report only	all year
007	Solids, total dissolved	DAILY MX	report only	all year