Lawrenceville Town

NPDES permit VA0020354 · Major 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

0values over a limit
0required values missing, on 0 form(s)
1of 15 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 (29)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]DAILY MN >= 6.3 mg/L May, Jun, Jul, Aug, Sep, Oct, Nov, Dec
001pHDAILY MN >= 6 SU all year
001pHDAILY MX <= 9 SU all year
001Solids, total suspendedMO AVG <= 8 mg/L all year
001Solids, total suspendedWKLY AVG <= 12 mg/L all year
001Solids, total suspendedMO AVG <= 44 kg/d all year
001Solids, total suspendedWKLY AVG <= 66 kg/d all year
001Solids, total suspendedMO AVG report only all year
001Nitrogen, ammonia total [as N]MO AVG <= 1.9 mg/L all year
001Nitrogen, ammonia total [as N]WKLY AVG <= 2.4 mg/L all year
001Nitrogen, Kjeldahl, total [as N]MO AVG <= 4.9 mg/L all year
001Nitrogen, Kjeldahl, total [as N]WKLY AVG <= 7.4 mg/L all year
001Nitrogen, Kjeldahl, total [as N]MO AVG <= 27 kg/d all year
001Nitrogen, Kjeldahl, total [as N]WKLY AVG <= 41 kg/d all year
001Hardness, total [as CaCO3]MO AVG report only all year
001Zinc, total recoverableMO AVG <= 61 ug/L all year
001Zinc, total recoverableWKLY AVG <= 61 ug/L all year
001Flow, in conduit or thru treatment plantMO AVG <= 1.45 MGD (alert) all year
001Flow, in conduit or thru treatment plantDAILY MX report only (alert) all year
001E. coliGEO MEAN <= 126 #/100mL all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 8 mg/L all year
001BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 12 mg/L all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 44 kg/d all year
001BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 66 kg/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
001TU Static Renewal 7-Day Chronic Ceriodaphnia dubiaMAXIMUM report only all year
001TU Static Renewal 7-Day Chronic Pimphales promelasMAXIMUM <= 1.75 tox chronic 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