US Department of Labor — NPDES permit VA0027618: limits, due date and EPA's record

NPDES permit VA0027618 · Minor NON-POTW · effective, expires 2030-07-31 · 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: Copper, total recoverable (10), Oxygen, dissolved [DO] (2), BOD, 5-day, 20 deg. C (1).

Reporting

Reports are due about 10 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (23)

Outfall	Parameter	Statistic	Limit	Months
001	Oxygen, dissolved [DO]	INST MIN	>= 5 mg/L	all year
001	BOD, 5-day, 20 deg. C	MO AVG	<= 30 mg/L	all year
001	BOD, 5-day, 20 deg. C	MX WK AV	<= 45 mg/L	all year
001	BOD, 5-day, 20 deg. C	MO AVG	<= 4.5 kg/d	all year
001	BOD, 5-day, 20 deg. C	MX WK AV	<= 6.8 kg/d	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	<= 4.5 kg/d	all year
001	Solids, total suspended	MX WK AV	<= 6.8 kg/d	all year
001	Nitrogen, ammonia total [as N]	MO AVG	<= 12.1 mg/L	Jan, Feb, Mar, Apr, May, Dec
001	Nitrogen, ammonia total [as N]	MO AVG	<= 19.2 mg/L	all year
001	Nitrogen, ammonia total [as N]	WKLY AVG	<= 12.1 mg/L	Jan, Feb, Mar, Apr, May, Dec
001	Nitrogen, ammonia total [as N]	WKLY AVG	<= 19.2 mg/L	all year
001	Copper, total recoverable	MO AVG	<= 32 ug/L	all year
001	Copper, total recoverable	MO MAX	<= 32 ug/L	all year
001	Flow, in conduit or thru treatment plant	MO AVG	<= .04 MGD (alert)	all year
001	Flow, in conduit or thru treatment plant	MX WK AV	report only (alert)	all year
001	Chlorine, total residual	MO MAX	<= 64 ug/L	all year
001	Chlorine, total residual	MX WK AV	<= 79 ug/L	all year
001	Chlorine, total residual	INST MIN	>= .6 mg/L	all year
001	E. coli	GEO MEAN	<= 126 #/100mL	all year