KERSHAW COUNTY

NPDES permit SC0039870 · Major POTW · effective, expires 2029-05-31 · 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

6values over a limit
4required values missing, on 1 form(s)
0of 17 forms filed late

Last period with anything received: 2026-07-31. Most often over: Solids, suspended percent removal (2), E. coli (1), BOD, 5-day, percent removal (1).

Reporting

Reports are due about 29 days after each monitoring period ends (the most common figure among SC permits in EPA's filings — check your permit).

Limits in force (52)

OutfallParameterStatisticLimitMonths
001Oxygen demand, ultimateMO AVG report only all year
001Oxygen demand, ultimateWKLY AVG report only all year
001Oxygen, dissolved [DO]MINIMUM >= 2 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 23 mg/L all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 34.5 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 384 lb/d all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 576 lb/d all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 8.5 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 <= 500 lb/d all year
001Solids, total suspendedWKLY AVG <= 750 lb/d all year
001Nitrogen, total [as N]MO AVG report only all year
001Nitrogen, total [as N]WKLY AVG report only all year
001Nitrogen, total [as N]MO AVG report only all year
001Nitrogen, total [as N]WKLY AVG report only all year
001Nitrogen, ammonia total [as N]MO AVG <= 10.7 mg/L all year
001Nitrogen, ammonia total [as N]WKLY AVG <= 16.1 mg/L all year
001Nitrogen, ammonia total [as N]MO AVG <= 178 lb/d all year
001Nitrogen, ammonia total [as N]WKLY AVG <= 267 lb/d all year
001Phosphorus, total [as P]MO AVG <= 4 mg/L all year
001Phosphorus, total [as P]WKLY AVG <= 6 mg/L all year
001Phosphorus, total [as P]MO AVG report only all year
001Phosphorus, total [as P]WKLY AVG report only all year
001Phosphorus, total [as P]MY report only all year
001Phosphorus, total [as P]MO GEO report only all year
001Polychlorinated biphenyls [PCBs]MO AVG report only all year
001Polychlorinated biphenyls [PCBs]DAILY MX report only all year
001Polychlorinated biphenyls [PCBs]MO AVG report only all year
001Polychlorinated biphenyls [PCBs]DAILY MX report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantWKLY AVG report only all year
001Chlorine, total residualMO AVG <= .5 mg/L all year
001Chlorine, total residualDAILY MX <= 1 mg/L all year
001Chlorine, total residualMO AVG <= 8.3 lb/d all year
001Chlorine, total residualDAILY MX <= 16.7 lb/d all year
001E. coli30DAVGEO <= 126 MPN/100mL all year
001E. coliDAILY MX <= 349 MPN/100mL all year
001E. coli30DAVGEO <= 126 MPN/100mL all year
001E. coliDAILY MX <= 800 MPN/100mL all year
001Mercury, total [as Hg]MO AVG <= 50 ng/L all year
001Mercury, total [as Hg]DAILY MX <= 147 ng/L all year
001Mercury, total [as Hg]MO AVG <= .00083 lb/d all year
001Mercury, total [as Hg]DAILY MX <= .0025 lb/d all year
001BOD, 5-day, percent removalMO AV MN >= 85 % all year
001Solids, suspended percent removalMO AV MN >= 85 % all year
001LC50 Static 48Hr Acute Ceriodaphnia dubiaDAILY MN report only all year
001%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubiaMO AVG <= 25 % all year
001%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubiaDAILY MX <= 40 % all year
001Pass/Fail Static 48Hr Acute Ceriodaphnia dubiaDAILY MX <= 0 pass=0;fail=1 all year
001IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubiaDAILY MN report only 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