Appomattox Town — NPDES permit VA0020257: limits, due date and EPA's record

NPDES permit VA0020257 · Minor POTW · effective, expires 2030-11-30 · 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, 5-day, 20 deg. C (4), Nitrogen, Kjeldahl, total [as N] (4), Zinc, total recoverable (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 (24)

Outfall	Parameter	Statistic	Limit	Months
001	Oxygen, dissolved [DO]	INST MIN	>= 7.2 mg/L	all year
001	BOD, 5-day, 20 deg. C	MO AVG	<= 9 mg/L	all year
001	BOD, 5-day, 20 deg. C	MX WK AV	<= 13.5 mg/L	all year
001	BOD, 5-day, 20 deg. C	MO AVG	<= 10.2 kg/d	all year
001	BOD, 5-day, 20 deg. C	MX WK AV	<= 15.3 kg/d	all year
001	BOD, 5-day, 20 deg. C	MO AVG	report only	all year
001	pH	INST MIN	>= 6 SU	all year
001	pH	INST MAX	<= 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	<= 34 kg/d	all year
001	Solids, total suspended	MX WK AV	<= 51 kg/d	all year
001	Solids, total suspended	MO AVG	report only	all year
001	Nitrogen, Kjeldahl, total [as N]	MO AVG	<= 5 mg/L	all year
001	Nitrogen, Kjeldahl, total [as N]	MX WK AV	<= 7.5 mg/L	all year
001	Nitrogen, Kjeldahl, total [as N]	MO AVG	<= 5.6 kg/d	all year
001	Nitrogen, Kjeldahl, total [as N]	MX WK AV	<= 8.5 kg/d	all year
001	Zinc, total recoverable	MO AVG	<= 53 ug/L	all year
001	Zinc, total recoverable	MX WK AV	<= 53 ug/L	all year
001	Flow, in conduit or thru treatment plant	MO AVG	<= .3 MGD (alert)	all year
001	Flow, in conduit or thru treatment plant	MO MAX	report only (alert)	all year
001	BOD, percent removal [total]	MO AV MN	>= 85 %	all year
001	E. coli	GEO MEAN	<= 126 #/100mL	all year
001	Solids, suspended percent removal	MO AV MN	>= 85 %	all year