Middleburg Town

NPDES permit VA0024775 · Minor POTW · effective, expires 2028-01-31 · EPA's file as of 2026-09-19

Check this month's numbers before you file
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EPA's record, 2025-09-01 to 2026-08-31

1values over a limit
0required values missing, on 0 form(s)
0of 15 forms filed late

Last period with anything received: 2026-07-31. Most often over: Nitrogen, Kjeldahl, total [as N] (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 (31)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]DAILY MN >= 6.8 mg/L all year
001pHDAILY MN >= 6 SU all year
001pHDAILY MX <= 9 SU all year
001Solids, total suspendedMO AVG <= 10 mg/L all year
001Solids, total suspendedWKLY AVG <= 15 mg/L all year
001Solids, total suspendedMO AVG <= 9 kg/d all year
001Solids, total suspendedWKLY AVG <= 14 kg/d all year
001Solids, total suspendedAVERAGE report only all year
001Nitrogen, total [as N]MO AVG report only all year
001Nitrogen, ammonia total [as N]MO AVG <= 1.8 mg/L Jun, Jul, Aug, Sep, Oct, Nov
001Nitrogen, ammonia total [as N]WKLY AVG <= 2.4 mg/L Jun, Jul, Aug, Sep, Oct, Nov
001Nitrogen, Kjeldahl, total [as N]MO AVG <= 6 mg/L all year
001Nitrogen, Kjeldahl, total [as N]WKLY AVG <= 9 mg/L all year
001Nitrogen, Kjeldahl, total [as N]MO AVG <= 13 lb/d all year
001Nitrogen, Kjeldahl, total [as N]WKLY AVG <= 19 lb/d all year
001Nitrite + Nitrate total [as N]MO AVG report only all year
001Phosphorus, total [as P]MO AVG report only all year
001Hardness, total [as CaCO3]MO AVG report only all year
001Copper, dissolved [as Cu]MO AVG report only all year
001Flow, in conduit or thru treatment plantMO AVG <= .25 MGD (alert) all year
001Flow, in conduit or thru treatment plantMAXIMUM report only (alert) all year
001E. coliGEO MEAN <= 126 #/100mL all year
001Nitrogen, Total As NANNL AVG <= 8 mg/L all year
001Phosphorus, Total As PANNL AVG <= 1 mg/L all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 10 mg/L all year
001BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 15 mg/L all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 9 kg/d all year
001BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 14 kg/d all year
001BOD, carbonaceous [5 day, 20 C]AVERAGE 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