Nelson County Service Authority

NPDES permit VA0031011 · Minor POTW · effective, expires 2028-12-31 · 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

22values over a limit
0required values missing, on 0 form(s)
2of 12 forms filed late

Last period with anything received: 2026-07-31. Most often over: Nitrogen, ammonia total [as N] (15), Solids, total suspended (3), Hardness, total [as CaCO3] (3).

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]INST MIN >= 7.2 mg/L all year
001pHINST MIN >= 6 SU all year
001pHINST MAX <= 9 SU all year
001Solids, total suspendedMO AVG <= 10 mg/L all year
001Solids, total suspendedMX WK AV <= 15 mg/L all year
001Solids, total suspendedMO AVG <= 11 kg/d all year
001Solids, total suspendedMX WK AV <= 17 kg/d all year
001Solids, total suspendedMO AVG report only all year
001Nitrogen, ammonia total [as N]MO AVG <= 1.9 mg/L Jan, Feb, Mar, Apr, May, Dec
001Nitrogen, ammonia total [as N]MO AVG <= .84 mg/L Jun, Jul, Aug, Sep, Oct, Nov
001Nitrogen, ammonia total [as N]MX WK AV <= 2.6 mg/L Jan, Feb, Mar, Apr, May, Dec
001Nitrogen, ammonia total [as N]MX WK AV <= 1.1 mg/L Jun, Jul, Aug, Sep, Oct, Nov
001Hardness, total [as CaCO3]INST MIN >= 120 mg/L all year
001Flow, in conduit or thru treatment plantMO AVG <= .3 MGD (alert) all year
001Flow, in conduit or thru treatment plantMX WK AV report only (alert) all year
001Chlorine, total residualMO AVG <= .0075 mg/L all year
001Chlorine, total residualMX WK AV <= .0083 mg/L all year
001E. coliGEO MEAN <= 126 #/100mL all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 12 mg/L Jan, Feb, Mar, Apr, May, Dec
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 6 mg/L Jun, Jul, Aug, Sep, Oct, Nov
001BOD, carbonaceous [5 day, 20 C]MX WK AV <= 18 mg/L Jan, Feb, Mar, Apr, May, Dec
001BOD, carbonaceous [5 day, 20 C]MX WK AV <= 9 mg/L Jun, Jul, Aug, Sep, Oct, Nov
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 14 kg/d Jan, Feb, Mar, Apr, May, Dec
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 7 kg/d Jun, Jul, Aug, Sep, Oct, Nov
001BOD, carbonaceous [5 day, 20 C]MX WK AV <= 20 kg/d Jan, Feb, Mar, Apr, May, Dec
001BOD, carbonaceous [5 day, 20 C]MX WK AV <= 10 kg/d Jun, Jul, Aug, Sep, Oct, Nov
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