Naval Support Facility, Dahlgr

NPDES permit VA0021067 · Minor FEDERAL · effective, expires 2027-08-31 · 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)
2of 14 forms filed late

Last period with anything received: 2026-07-31.

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 (27)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]INST MIN >= 5.5 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
001BOD, 5-day, 20 deg. CWKLY MAX <= 45 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 82 kg/d all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 120 kg/d all year
001BOD, 5-day, 20 deg. CMO AVG report only all year
001pHINST MIN >= 6.5 SU all year
001pHINST MAX <= 8.5 SU all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedWKLY MAX <= 45 mg/L all year
001Solids, total suspendedMO AVG <= 82 kg/d all year
001Solids, total suspendedWKLY AVG <= 120 kg/d all year
001Solids, total suspendedMO AVG report only all year
001Nitrogen, total [as N]MO AVG report only all year
001Nitrogen, ammonia total [as N]MO AVG <= 5 mg/L all year
001Nitrogen, ammonia total [as N]WKLY MAX <= 5 mg/L all year
001Nitrite + Nitrate total [as N]MO AVG report only all year
001Phosphorus, total [as P]MO AVG report only all year
001Flow, in conduit or thru treatment plantMO AVG <= .72 MGD (alert) all year
001Flow, in conduit or thru treatment plantDAILY MX report only (alert) all year
001BOD, percent removal [total]MO AV MN >= 85 % all year
001Nitrogen, Total As NANNL AVG <= 7 mg/L all year
001Phosphorus, Total As PANNL AVG <= 2 mg/L all year
001EnterococciGEO MEAN <= 35 #/100mL all year
001Solids, suspended percent removalMO AV MN >= 85 % all year
001TU Static Renewal 7-Day Chronic Americamysis bahia (formerly Mysidopsis bahia)MAXIMUM report only all year
001TU Static Renewal 7-Day Chronic Cyprinodon variegatus MAXIMUM report only 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