Clarksville Town — NPDES permit VA0020168: limits, due date and EPA's record

NPDES permit VA0020168 · Minor POTW · effective, expires 2030-02-28 · EPA's file as of 2026-09-19

Watch this permit — $79 a month. Every Monday, from EPA's newest files: the next report due and when, whether EPA's file holds your last one, any change to this permit's limits or status, and the renewal date.

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

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 (20)

Outfall	Parameter	Statistic	Limit	Months
001	Oxygen, dissolved [DO]	MINIMUM	>= 5 mg/L	all year
001	BOD, 5-day, 20 deg. C	MO AVG	<= 29 mg/L	all year
001	BOD, 5-day, 20 deg. C	WKLY AVG	<= 43 mg/L	all year
001	BOD, 5-day, 20 deg. C	MO AVG	<= 59.5 kg/d	all year
001	BOD, 5-day, 20 deg. C	WKLY AVG	<= 89 kg/d	all year
001	BOD, 5-day, 20 deg. C	MO AVG	report only	all year
001	pH	MINIMUM	>= 6 SU	all year
001	pH	MAXIMUM	<= 9 SU	all year
001	Solids, total suspended	MO AVG	<= 29 mg/L	all year
001	Solids, total suspended	WKLY AVG	<= 43 mg/L	all year
001	Solids, total suspended	MO AVG	<= 59.5 kg/d	all year
001	Solids, total suspended	WKLY AVG	<= 89 kg/d	all year
001	Solids, total suspended	MO AVG	report only	all year
001	Nitrogen, ammonia total [as N]	MO AVG	<= 11 mg/L	Apr, May, Jun, Jul, Aug, Sep, Oct, Nov
001	Nitrogen, ammonia total [as N]	WKLY AVG	<= 12 mg/L	Apr, May, Jun, Jul, Aug, Sep, Oct, Nov
001	Flow, in conduit or thru treatment plant	MO AVG	<= .55 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	MO AVG	<= 126 #/100mL	all year
001	Solids, suspended percent removal	MO AV MN	>= 85 %	all year