U.S. Department of Energy Office of Science

NPDES permit VA0089320 · Minor FEDERAL · effective, expires 2027-04-30 · EPA's file as of 2026-09-19

Check this month's numbers before you file
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

0values over a limit
0required values missing, on 0 form(s)
1of 5 forms filed late

Last period with anything received: 2026-06-30.

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 (14)

OutfallParameterStatisticLimitMonths
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Flow, in conduit or thru treatment plantMAXIMUM report only all year
001Tritium, totalMAXIMUM <= 20000 pCi/L all year
002Temperature, water deg. centigradeMAXIMUM <= 32 deg C all year
002pHMINIMUM >= 6 SU all year
002pHMAXIMUM <= 9 SU all year
002Nitrogen, ammonia total [as N]MAXIMUM report only all year
002Phosphorus, total [as P]MAXIMUM report only all year
002Hardness, total [as CaCO3]MAXIMUM report only all year
002Copper, dissolved [as Cu]MAXIMUM report only all year
002Zinc, dissolved [as Zn]MAXIMUM report only all year
002Flow, in conduit or thru treatment plantMAXIMUM report only all year
002Chlorine, total residualMAXIMUM <= .019 mg/L all year

Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states