GREAT RIVER UTILITY OPERATING CO LLC, BELMOR LAKES SUBDIVISION — NPDES permit MS0056375: limits, due date and EPA's record

NPDES permit MS0056375 · Minor NON-POTW · effective, expires 2026-11-30 · EPA's file as of 2026-09-19

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 MS permits in EPA's filings — check your permit).

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	<= 30 mg/L	all year
001	BOD, 5-day, 20 deg. C	DAILY MX	<= 45 mg/L	all year
001	BOD, 5-day, 20 deg. C	MX MO AV	<= 20 lb/d	all year
001	BOD, 5-day, 20 deg. C	DAILY MX	<= 30 lb/d	all year
001	pH	MINIMUM	>= 6 SU	all year
001	pH	MAXIMUM	<= 9 SU	all year
001	Solids, total suspended	MX MO AV	<= 60 mg/L	all year
001	Solids, total suspended	DAILY MX	<= 60 mg/L	all year
001	Solids, total suspended	MX MO AV	<= 40 lb/d	all year
001	Solids, total suspended	DAILY MX	<= 40 lb/d	all year
001	Nitrogen, ammonia total [as N]	MX MO AV	<= 2 mg/L	all year
001	Nitrogen, ammonia total [as N]	DAILY MX	<= 3 mg/L	all year
001	Nitrogen, ammonia total [as N]	MX MO AV	<= 1.33 lb/d	all year
001	Nitrogen, ammonia total [as N]	DAILY MX	<= 2 lb/d	all year
001	Phosphorus, total [as P]	MX MO AV	report only	all year
001	Phosphorus, total [as P]	DAILY MX	report only	all year
001	Phosphorus, total [as P]	MX MO AV	<= 1.14 lb/d	all year
001	Phosphorus, total [as P]	DAILY MX	<= 1.71 lb/d	all year
001	Flow, in conduit or thru treatment plant	MX MO AV	<= .08 MGD	all year
001	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
001	Chlorine, total residual	MINIMUM	>= .1 mg/L	all year
001	Chlorine, total residual	MAXIMUM	<= 1 mg/L	all year
001	E. coli	MX MO AV	<= 126 #/100L	all year
001	E. coli	DAILY MX	<= 410 #/100L	all year