Louisa County Water Authority

NPDES permit VA0090743 · Minor POTW · effective, expires 2029-10-31 · 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

7values over a limit
0required values missing, on 0 form(s)
0of 12 forms filed late

Last period with anything received: 2026-07-31. Most often over: Nitrogen, Kjeldahl, total [as N] (7).

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 (34)

OutfallParameterStatisticLimitMonths
003Oxygen, dissolved [DO]MINIMUM >= 6 mg/L all year
003pHMINIMUM >= 6 SU all year
003pHMAXIMUM <= 9 SU all year
003Solids, total suspendedMO AVG <= 10 mg/L all year
003Solids, total suspendedWKLY AVG <= 15 mg/L all year
003Solids, total suspendedMO AVG <= 12 kg/d all year
003Solids, total suspendedWKLY AVG <= 18 kg/d all year
003Solids, total suspendedMO AVG report only all year
003Nitrogen, total [as N]MO AVG report only all year
003Nitrogen, ammonia total [as N]MO AVG report only all year
003Nitrogen, ammonia total [as N]WKLY AVG report only all year
003Nitrogen, Kjeldahl, total [as N]MO AVG <= 3 mg/L all year
003Nitrogen, Kjeldahl, total [as N]WKLY AVG <= 4.5 mg/L all year
003Nitrogen, Kjeldahl, total [as N]MO AVG <= 7.8 lb/d all year
003Nitrogen, Kjeldahl, total [as N]WKLY AVG <= 12 lb/d all year
003Nitrite + Nitrate total [as N]MO AVG report only all year
003Phosphorus, total [as P]MO AVG report only all year
003Hardness, total [as CaCO3]MO AVG report only all year
003Zinc, total recoverableMO AVG report only all year
003Copper, total recoverableMO AVG report only all year
003Flow, in conduit or thru treatment plantMO AVG <= .311 MGD (alert) all year
003Flow, in conduit or thru treatment plantMAXIMUM report only (alert) all year
003Chlorine, total residualMO AVG <= .009 mg/L all year
003Chlorine, total residualWKLY AVG <= .011 mg/L all year
003E. coliGEO MEAN <= 126 #/100mL all year
003Nitrogen, Total As NANNL AVG <= 6 mg/L all year
003Phosphorus, Total As PANNL AVG <= .6 mg/L all year
003BOD, carbonaceous [5 day, 20 C]MO AVG <= 10 mg/L all year
003BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 15 mg/L all year
003BOD, carbonaceous [5 day, 20 C]MO AVG <= 12 kg/d all year
003BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 18 kg/d all year
003BOD, carbonaceous [5 day, 20 C]MO AVG report only all year
003BOD, carb-5 day, 20 deg C, percent removalMO AV MN >= 85 % all year
003Solids, 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