CORNING, INC — NPDES permit NY0107221: limits, due date and EPA's record

NPDES permit NY0107221 · Minor NON-POTW · effective, expires 2028-11-30 · EPA's file as of 2026-09-19

Watch this permit — $79 a month. Every Monday, from EPA's newest files: the next report due and when, whether EPA's file holds your last one, any change to this permit's limits or status, and the renewal date.

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

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 (21)

Outfall	Parameter	Statistic	Limit	Months
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	Iron, total [as Fe]	DAILY MX	<= .9 mg/L	all year
002	Lead, total [as Pb]	DAILY MX	<= .05 mg/L	all year
002	Zinc, total [as Zn]	DAILY MX	<= .5 mg/L (alert)	all year
002	Aluminum, total [as Al]	DAILY MX	<= 10 mg/L	all year
002	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
003	pH	MINIMUM	>= 6 SU	all year
003	pH	MAXIMUM	<= 9 SU	all year
003	Solids, total suspended	DAILY MX	<= 50 mg/L	all year
003	Oil & Grease	DAILY MX	<= 15 mg/L	all year
003	Fluoride, total [as F]	DAILY MX	<= 2.5 mg/L	all year
003	Boron, total [as B]	DAILY MX	<= .11 mg/L (alert)	all year
003	Iron, total [as Fe]	DAILY MX	<= .5 mg/L (alert)	all year
003	Lead, total [as Pb]	DAILY MX	<= .1 mg/L	all year
003	Zinc, total [as Zn]	DAILY MX	<= .1 mg/L (alert)	all year
003	Aluminum, total [as Al]	DAILY MX	<= 1 mg/L (alert)	all year
003	Phenol	DAILY MX	<= .03 mg/L (alert)	all year
003	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year