ROCHESTER (C) DES — NPDES permit NY0228478: limits, due date and EPA's record

NPDES permit NY0228478 · Minor NON-POTW · effective, expires 2026-11-30 · 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

Last period with anything received: 2026-07-31. Most often over: Flow, in conduit or thru treatment plant (1).

Reporting

Reports are due about 28 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (22)

Outfall	Parameter	Statistic	Limit	Months
001	pH	MINIMUM	>= 6.5 SU	all year
001	pH	MAXIMUM	<= 9 SU	all year
001	Solids, total suspended	DAILY AV	<= 20 mg/L	all year
001	Solids, total suspended	DAILY MX	<= 40 mg/L	all year
001	Solids, settleable	DAILY MX	<= .1 mL/L	all year
001	Phosphorus, total [as P]	DAILY MX	<= .5 mg/L	all year
001	Flow, in conduit or thru treatment plant	DAILY AV	<= 1.95 MGD	all year
001	Flow, in conduit or thru treatment plant	DAILY MX	<= 2.45 MGD	all year
001	Chlorine, total residual	DAILY MX	<= 250 ug/L	all year
002	Temperature, water deg. centigrade	DAILY AV	report only	all year
002	Temperature, water deg. centigrade	DAILY MX	report only	all year
002	Flow rate	DAILY AV	report only	all year
002	Flow rate	DAILY MX	report only	all year
002	Oxygen, dissolved [DO]	MINIMUM	>= 7 mg/L	all year
002	pH	MINIMUM	>= 6 SU	all year
002	pH	MAXIMUM	<= 9.5 SU	all year
002	Solids, total suspended	DAILY MX	<= 10 mg/L	all year
002	Solids, settleable	DAILY MX	<= .1 mL/L	all year
002	Nitrogen, ammonia, total [as NH3]	DAILY AV	report only	all year
002	Nitrogen, ammonia, total [as NH3]	DAILY MX	report only	all year
002	Floating solids, waste or visible foam-visual	NB	report only	all year
002	BOD, carbonaceous [5 day, 20 C]	DAILY MX	<= 5 mg/L	all year