The Blue Ridge School, Incorporated — NPDES permit VA0029556: limits, due date and EPA's record

NPDES permit VA0029556 · Minor NON-POTW · effective, expires 2030-10-31 · EPA's file as of 2026-09-19

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

Last period with anything received: 2026-07-31. Most often over: BOD, carbonaceous [5 day, 20 C] (2), Nitrogen, ammonia total [as N] (2).

Reporting

Reports are due about 10 days after each monitoring period ends (the most common figure among VA permits in EPA's filings — check your permit).

Limits in force (23)

Outfall	Parameter	Statistic	Limit	Months
001	Oxygen, dissolved [DO]	MINIMUM	>= 5.1 mg/L	all year
001	pH	MINIMUM	>= 6 SU	all year
001	pH	MAXIMUM	<= 9 SU	all year
001	Solids, total suspended	MO AVG	<= 30 mg/L	all year
001	Solids, total suspended	MX WK AV	<= 45 mg/L	all year
001	Solids, total suspended	MO AVG	<= 4 kg/d	all year
001	Solids, total suspended	MX WK AV	<= 6 kg/d	all year
001	Solids, total suspended	MO AVG	report only	all year
001	Nitrogen, ammonia total [as N]	MO AVG	<= 2.2 mg/L	all year
001	Nitrogen, ammonia total [as N]	MX WK AV	<= 2.2 mg/L	all year
001	Flow, in conduit or thru treatment plant	MO AVG	<= .035 MGD (alert)	all year
001	Flow, in conduit or thru treatment plant	DAILY MX	report only (alert)	all year
001	Chlorine, total residual	MO AVG	<= .008 mg/L	all year
001	Chlorine, total residual	MX WK AV	<= .0098 mg/L	all year
001	Chlorine, total residual	MINIMUM	>= .6 mg/L	all year
001	E. coli	GEO MEAN	<= 126 #/100mL	all year
001	BOD, carbonaceous [5 day, 20 C]	MO AVG	<= 15 mg/L	all year
001	BOD, carbonaceous [5 day, 20 C]	MX WK AV	<= 22 mg/L	all year
001	BOD, carbonaceous [5 day, 20 C]	MO AVG	<= 2 kg/d	all year
001	BOD, carbonaceous [5 day, 20 C]	MX WK AV	<= 2.9 kg/d	all year
001	BOD, carbonaceous [5 day, 20 C]	MO AVG	report only	all year
001	BOD, carb-5 day, 20 deg C, percent removal	MO AV MN	>= 85 %	all year
001	Solids, suspended percent removal	MO AV MN	>= 85 %	all year