Charles City County

NPDES permit VA0021261 · Minor POTW · effective, expires 2028-10-31 · 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

23values over a limit
4required values missing, on 1 form(s)
2of 12 forms filed late

Last period with anything received: 2026-07-31. Most often over: BOD, carbonaceous [5 day, 20 C] (16), Oxygen, dissolved [DO] (2), Nitrogen, ammonia total [as N] (2).

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]MINIMUM >= 6.6 mg/L all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedMO AVG <= 20 mg/L all year
001Solids, total suspendedWKLY AVG <= 30 mg/L all year
001Solids, total suspendedMO AVG <= 760 g/d all year
001Solids, total suspendedWKLY AVG <= 1100 g/d all year
001Solids, total suspendedMO AVG report only all year
001Nitrogen, ammonia total [as N]MO AVG <= .52 mg/L all year
001Nitrogen, ammonia total [as N]WKLY AVG <= .52 mg/L all year
001Nitrogen, Kjeldahl, total [as N]MO AVG <= 3 mg/L all year
001Nitrogen, Kjeldahl, total [as N]WKLY AVG <= 4.5 mg/L all year
001Nitrogen, Kjeldahl, total [as N]MO AVG <= 110 g/d all year
001Nitrogen, Kjeldahl, total [as N]WKLY AVG <= 170 g/d all year
001Flow, in conduit or thru treatment plantMO AVG <= .01 MGD (alert) all year
001Flow, in conduit or thru treatment plantDAILY MX report only (alert) all year
001Chlorine, total residualMO AVG <= .008 mg/L all year
001Chlorine, total residualWKLY AVG <= .0098 mg/L all year
001Chlorine, total residualDAILY MN >= .6 mg/L all year
001E. coliGEO MEAN <= 126 #/100mL all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 9 mg/L all year
001BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 14 mg/L all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 340 g/d all year
001BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 530 g/d all year
001BOD, carbonaceous [5 day, 20 C]MO AVG report only all year
001BOD, carb-5 day, 20 deg C, percent removalMO AV MN >= 85 % all year
001Solids, suspended percent removalMO AV MN >= 85 % 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