Colonial Beach Town

NPDES permit VA0026409 · Major POTW · effective, expires 2028-06-30 · 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

10values over a limit
0required values missing, on 0 form(s)
0of 16 forms filed late

Last period with anything received: 2026-07-31. Most often over: Nitrogen, ammonia total [as N] (6), Coliform, fecal general (2), Enterococci (1).

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 (27)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeDAILY MX report only all year
001Oxygen, dissolved [DO]DAILY MN >= 6.5 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 21 mg/L all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 32 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 160 kg/d all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 240 kg/d all year
001BOD, 5-day, 20 deg. CMO AVG report only all year
001pHDAILY MN >= 6 SU all year
001pHDAILY MX <= 9 SU all year
001Solids, total suspendedMO AVG <= 28 mg/L all year
001Solids, total suspendedWKLY AVG <= 42 mg/L all year
001Solids, total suspendedMO AVG <= 210 kg/d all year
001Solids, total suspendedWKLY AVG <= 320 kg/d all year
001Solids, total suspendedMO AVG report only all year
001Nitrogen, ammonia total [as N]MO AVG <= 1.19 mg/L all year
001Nitrogen, ammonia total [as N]WKLY AVG <= 1.62 mg/L all year
001Flow, in conduit or thru treatment plantMO AVG <= 2 MGD (alert) all year
001Flow, in conduit or thru treatment plantMO MAX report only (alert) all year
001BOD, percent removal [total]MO AV MN >= 85 % all year
001Nitrogen, Total As NANNL AVG <= 3 mg/L all year
001Phosphorus, Total As PANNL AVG <= .3 mg/L all year
001EnterococciGEO MEAN <= 35 #/100mL all year
001Coliform, fecal generalGEO MEAN <= 200 #/100mL all year
001Coliform, fecal generalMAXIMUM report only all year
001Solids, suspended percent removalMO AV MN >= 85 % all year
001TU Static Renewal 7-Day Chronic Americamysis bahia (formerly Mysidopsis bahia)DAILY MX report only all year
001TU Static Renewal 7-Day Chronic Cyprinodon variegatus DAILY MX 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