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Kingstree Town of

Sewage treatment plant, Kingstree, South Carolina. NPDES permit SC0049255 expired Mar 31, 2025; its limits still apply. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 29 days after each period: form 1 monthly (31 values), form 2 quarterly (24 values), form 3 quarterly (2 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 20 reports late

Limits in force (61)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]minimum= 5 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average= 30 mg/Lall year
BOD, 5-day, 20 deg. Cweekly average= 45 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average= 65 lb/dall year
BOD, 5-day, 20 deg. Cweekly average= 98 lb/dall year
pHminimum= 6 SUall year
pHmaximum= 8.5 SUall year
Solids, total suspendedmonthly average= 30 mg/Lall year
Solids, total suspendedweekly average= 45 mg/Lall year
Solids, total suspendedmonthly average= 65 lb/dall year
Solids, total suspendedweekly average= 98 lb/dall year
Nitrogen, ammonia total [as N]monthly average= 20 mg/LJan, Feb, Nov, Dec
Nitrogen, ammonia total [as N]monthly average= 17.4 mg/LMar–Oct
Nitrogen, ammonia total [as N]weekly average= 30 mg/LJan, Feb, Nov, Dec
Nitrogen, ammonia total [as N]weekly average= 26.1 mg/LMar–Oct
Nitrogen, ammonia total [as N]monthly average= 43 lb/dJan, Feb, Nov, Dec
Nitrogen, ammonia total [as N]monthly average= 38 lb/dMar–Oct
Nitrogen, ammonia total [as N]weekly average= 65 lb/dJan, Feb, Nov, Dec
Nitrogen, ammonia total [as N]weekly average= 57 lb/dMar–Oct
Chromium, total [as Cr]monthly averagereport only (mg/L)all year
Chromium, total [as Cr]daily maximumreport only (mg/L)all year
Chromium, total [as Cr]monthly averagereport only (lb/d)all year
Chromium, total [as Cr]daily maximumreport only (lb/d)all year
Copper, total [as Cu]monthly averagereport only (mg/L)all year
Copper, total [as Cu]daily maximumreport only (mg/L)all year
Copper, total [as Cu]monthly averagereport only (lb/d)all year
Copper, total [as Cu]daily maximumreport only (lb/d)all year
Zinc, total [as Zn]monthly averagereport only (mg/L)all year
Zinc, total [as Zn]daily maximumreport only (mg/L)all year
Zinc, total [as Zn]monthly averagereport only (lb/d)all year
Zinc, total [as Zn]daily maximumreport only (lb/d)all year
Antimony, total [as Sb]monthly averagereport only (mg/L)all year
Antimony, total [as Sb]daily maximumreport only (mg/L)all year
Antimony, total [as Sb]monthly averagereport only (lb/d)all year
Antimony, total [as Sb]daily maximumreport only (lb/d)all year
Toluenemonthly averagereport only (mg/L)all year
Toluenedaily maximumreport only (mg/L)all year
Toluenemonthly averagereport only (lb/d)all year
Toluenedaily maximumreport only (lb/d)all year
Ethylbenzenemonthly averagereport only (mg/L)all year
Ethylbenzenedaily maximumreport only (mg/L)all year
Ethylbenzenemonthly averagereport only (lb/d)all year
Ethylbenzenedaily maximumreport only (lb/d)all year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantweekly averagereport only (MGD)all year
Chlorine, total residualmonthly average= .22 mg/Lall year
Chlorine, total residualdaily maximum= .38 mg/Lall year
Chlorine, total residualmonthly average= .48 lb/dall year
Chlorine, total residualdaily maximum= .82 lb/dall year
E. coli30-day geometric mean= 126 MPN/100mLall year
E. colidaily maximum= 349 MPN/100mLall year
E. coli30-day geometric mean= 126 MPN/100mLall year
E. colidaily maximum= 800 MPN/100mLall year
Chemical oxygen demand [COD]monthly averagereport only (mg/L)all year
Chemical oxygen demand [COD]weekly averagereport only (mg/L)all year
Chemical oxygen demand [COD]monthly averagereport only (lb/CFS/d)all year
Chemical oxygen demand [COD]weekly averagereport only (lb/CFS/d)all year
BOD, 5-day, percent removalmonthly average minimum= 85 %all year
Solids, suspended percent removalmonthly average minimum= 85 %all year
%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubiamonthly average= 25 %all year
%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubiadaily maximum= 40 %all year

Cited limits by parameter: South Carolina's rules and the federal ones.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/SC0049255 · MCP: https://passage-data.com/mcp