PLANTERSVILLE POTW — NPDES permit MS0020940: limits, due date and EPA's record

NPDES permit MS0020940 · Minor POTW · administratively continued, expires 2025-05-31 · EPA's file as of 2026-09-19

This permit expired on 2025-05-31 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 28 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (25)

Outfall	Parameter	Statistic	Limit	Months
001	Oxygen, dissolved [DO]	MINIMUM	>= 6 mg/L	all year
001	BOD, 5-day, 20 deg. C	MX MO AV	<= 45 mg/L	all year
001	BOD, 5-day, 20 deg. C	MO TOTAL	report only	all year
001	BOD, 5-day, 20 deg. C	ANNL AVG	<= 101 lb/d	all year
001	BOD, 5-day, 20 deg. C	MX MO AV	report only	all year
001	BOD, 5-day, 20 deg. C	MO TOTAL	report only	all year
001	BOD, 5-day, 20 deg. C	ANNL AVG	report only	all year
001	pH	MINIMUM	>= 6 SU	all year
001	pH	MAXIMUM	<= 9 SU	all year
001	Solids, total suspended	MX MO AV	<= 90 mg/L	all year
001	Solids, total suspended	MO TOTAL	report only	all year
001	Solids, total suspended	ANNL AVG	<= 203 lb/d	all year
001	Solids, total suspended	MX MO AV	report only	all year
001	Solids, total suspended	MO TOTAL	report only	all year
001	Solids, total suspended	ANNL AVG	report only	all year
001	Nitrogen, total [as N]	MX MO AV	report only	all year
001	Nitrogen, total [as N]	MO TOTAL	report only	all year
001	Nitrogen, total [as N]	ANNL AVG	<= 25.91 lb/d	all year
001	Phosphorus, total [as P]	MX MO AV	report only	all year
001	Phosphorus, total [as P]	MO TOTAL	report only	all year
001	Phosphorus, total [as P]	ANNL AVG	<= 11.72 lb/d	all year
001	Flow, in conduit or thru treatment plant	MO TOTAL	report only	all year
001	Flow, in conduit or thru treatment plant	ANNL AVG	<= .27 MGD	all year
001	BOD, 5-day, percent removal	MINIMUM	>= 65 %	all year
001	Solids, suspended percent removal	MINIMUM	>= 65 %	all year