Orange County Public Schools

NPDES permit VA0078131 · Minor POTW · effective, expires 2030-08-31 · EPA's file as of 2026-09-19

Check this month's numbers before you file

EPA's record, 2025-09-01 to 2026-08-31

1values over a limit
0required values missing, on 0 form(s)
0of 14 forms filed late

Last period with anything received: 2026-07-31. Most often over: Solids, total suspended (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 (23)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]DAILY MN >= 6 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 17 mg/L all year
001BOD, 5-day, 20 deg. CWKLY MAX <= 26 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= .9 kg/d all year
001BOD, 5-day, 20 deg. CWKLY MAX <= 1.4 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 <= 17 mg/L all year
001Solids, total suspendedWKLY MAX <= 26 mg/L all year
001Solids, total suspendedMO AVG <= .9 kg/d all year
001Solids, total suspendedWKLY MAX <= 1.4 kg/d all year
001Solids, total suspendedMO AVG report only all year
001Nitrogen, ammonia total [as N]MO AVG <= 1.6 mg/L all year
001Nitrogen, ammonia total [as N]WKLY AVG <= 1.6 mg/L all year
001Flow, in conduit or thru treatment plantMO AVG <= .014 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 <= .01 mg/L all year
001Chlorine, total residualINST MIN >= .6 mg/L all year
001BOD, percent removal [total]MO AV MN >= 85 % all year
001E. coliMO AVG <= 126 #/100mL 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