South Central Wastewater Authority

NPDES permit VA0025437 · Major NON-POTW · effective, expires 2028-07-31 · EPA's file as of 2026-09-19

Check this month's numbers before you file
Watch this permit — $79 a month. Every Monday, from EPA's newest files: the next report due and when, whether EPA's file holds your last one, any change to this permit's limits or status, and the renewal date.

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

0values over a limit
0required values missing, on 0 form(s)
0of 18 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 (41)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]DAILY MN >= 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 suspendedWKLY AVG <= 45 mg/L all year
001Solids, total suspendedMO AVG <= 2600 kg/d all year
001Solids, total suspendedWKLY AVG <= 3900 kg/d all year
001Solids, total suspendedMO AVG report only all year
001Nitrogen, total [as N]MO AVG report only all year
001Nitrogen, ammonia total [as N]MO AVG <= 5.07 mg/L Jan, Feb, Mar, Apr, May, Nov, Dec
001Nitrogen, ammonia total [as N]MO AVG <= 3.28 mg/L Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]WKLY AVG <= 6.42 mg/L Jan, Feb, Mar, Apr, May, Nov, Dec
001Nitrogen, ammonia total [as N]WKLY AVG <= 4.16 mg/L Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]MO AVG <= 444 kg/d Jan, Feb, Mar, Apr, May, Nov, Dec
001Nitrogen, ammonia total [as N]MO AVG <= 287 kg/d Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]WKLY AVG <= 557 kg/d Jan, Feb, Mar, Apr, May, Nov, Dec
001Nitrogen, ammonia total [as N]WKLY AVG <= 366 kg/d Jun, Jul, Aug, Sep, Oct
001Phosphorus, total [as P]MO AVG <= 2 mg/L all year
001Sulfide, dissolved, [as S]MO AVG report only all year
001Sulfide, dissolved, [as S]WKLY AVG report only all year
001Hardness, total [as CaCO3]MAXIMUM report only all year
001Copper, dissolved [as Cu]MO AVG report only all year
001Copper, dissolved [as Cu]WKLY AVG report only all year
001Flow, in conduit or thru treatment plantMO AVG <= 23 MGD (alert) all year
001Flow, in conduit or thru treatment plantDAILY MX report only (alert) all year
001Chlorine, total residualMO AVG <= 16 ug/L all year
001Chlorine, total residualWKLY AVG <= 17 ug/L all year
001Chlorine, total residualINST MIN >= .6 mg/L all year
001E. coliGEO MEAN <= 126 #/100mL all year
001Nitrogen, Total As NMO AVG report only all year
001Phosphorus, Total As PMO AVG report only all year
001Hydrogen sulfideMO AVG report only all year
001Hydrogen sulfideWKLY AVG report only all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 15 mg/L all year
001BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 22 mg/L all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 1271 kg/d all year
001BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 1906 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 Pimphales promelasDAILY MX <= 3.8 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