New Effington, Town of — NPDES permit SD0020931: limits, due date and EPA's record

NPDES permit SD0020931 · Minor POTW · effective, expires 2031-03-31 · 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 (read off this permit's own late-day counts in EPA's filings).

Limits in force (16)

Outfall	Parameter	Statistic	Limit	Months
003	Temperature, water deg. fahrenheit	30DA AVG	report only	all year
003	Temperature, water deg. fahrenheit	DAILY MX	report only	all year
003	Flow rate	30DA AVG	report only	all year
003	Flow rate	DAILY MX	report only	all year
003	BOD, 5-day, 20 deg. C	30DA AVG	<= 30 mg/L	all year
003	BOD, 5-day, 20 deg. C	MX 7D AV	<= 45 mg/L	all year
003	pH	DAILY MN	>= 6 SU	all year
003	pH	DAILY MX	<= 9 SU	all year
003	Solids, total suspended	30DA AVG	<= 110 mg/L	all year
003	Solids, total suspended	MX 7D AV	<= 165 mg/L	all year
003	Nitrogen, total [as N]	DAILY MX	report only	all year
003	Nitrogen, ammonia total [as N]	30DA AVG	report only	all year
003	Nitrogen, ammonia total [as N]	DAILY MX	report only	all year
003	Phosphorus, total [as P]	DAILY MX	report only	all year
003	Flow, total	MO TOTAL	report only	all year
003	Duration of discharge	MO TOTAL	report only	all year