RIDEM/DIV. OF FISH AND WILDLIFE — NPDES permit RI0110019: limits, due date and EPA's record

NPDES permit RI0110019 · Minor NON-POTW · administratively continued, expires 2008-04-30 · 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.

This permit expired on 2008-04-30 and is administratively continued: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

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

Reporting

Reports are due about 15 days after each monitoring period ends (the most common figure among RI permits in EPA's filings — check your permit).

Limits in force (19)

Outfall	Parameter	Statistic	Limit	Months
001	Temperature, water deg. fahrenheit	DAILY MX	<= 68 deg F	all year
001	Oxygen, dissolved [DO]	MINIMUM	>= 5 mg/L	all year
001	Oxygen, dissolved [DO]	BB	>= 6 mg/L	all year
001	BOD, 5-day, 20 deg. C	MO AVG	<= 5 mg/L	all year
001	BOD, 5-day, 20 deg. C	DAILY MX	<= 10 mg/L	all year
001	pH	MINIMUM	report only	all year
001	pH	MAXIMUM	report only	all year
001	Solids, total suspended	MO AVG	<= 5 mg/L	all year
001	Solids, total suspended	DAILY MX	<= 10 mg/L	all year
001	Nitrogen, total [as N]	DAILY MX	report only	all year
001	Nitrogen, ammonia total [as N]	MO AVG	<= 1.368 mg/L	all year
001	Nitrogen, ammonia total [as N]	DAILY MX	<= 4.496 mg/L	all year
001	Phosphorus, total [as P]	DAILY MX	report only	all year
001	Flow, in conduit or thru treatment plant	MO AVG	<= 1 MGD	all year
001	Chlorine, total residual	MO AVG	<= 11 ug/L	all year
001	Chlorine, total residual	DAILY MX	<= 19 ug/L	all year
001	Formaldehyde	MO AVG	<= .59 mg/L	all year
001	Formaldehyde	DAILY MX	<= 5.62 mg/L	all year
001	pH change [range]	DAILY MX	report only	all year