Rivanna Water and Sewer Authority

NPDES permit VA0086584 · Minor POTW · effective, expires 2031-07-31 · 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)
0of 11 forms filed late

Last period with anything received: 2026-07-31.

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 (22)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]MINIMUM >= 5 mg/L all year
001pHDAILY MN >= 6 SU all year
001pHDAILY MX <= 9 SU all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedMX WK AV <= 45 mg/L all year
001Solids, total suspendedMO AVG <= 43 kg/d all year
001Solids, total suspendedMX WK AV <= 65 kg/d all year
001Solids, total suspendedMO AVG report only all year
001Nitrogen, Kjeldahl, total [as N]MO AVG <= 10 mg/L all year
001Nitrogen, Kjeldahl, total [as N]MX WK AV <= 15 mg/L all year
001Nitrogen, Kjeldahl, total [as N]MO AVG <= 14 kg/d all year
001Nitrogen, Kjeldahl, total [as N]MX WK AV <= 22 kg/d all year
001Flow, in conduit or thru treatment plantMO AVG <= .381 MGD (alert) all year
001Flow, in conduit or thru treatment plantDAILY MX report only (alert) all year
001E. coliMO GEOMN <= 126 #/100mL all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 15 mg/L all year
001BOD, carbonaceous [5 day, 20 C]MX WK AV <= 22 mg/L all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 22 kg/d all year
001BOD, carbonaceous [5 day, 20 C]MX WK AV <= 32 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

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