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Kingstree Town of

Sewage treatment plant, major discharger, Kingstree, South Carolina. NPDES permit SC0035971, in force until Apr 30, 2030. Last 12 months: no values over a limit, 4 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 29 days after each period: form 1 monthly (36 values), form 2 quarterly, form 5 quarterly
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 28 reports late

Limits in force (53)

ParameterStatisticLimitMonths
Oxygen demand, ultimatemonthly average≤ 1941 lb/dJan, Feb, Nov, Dec
Oxygen demand, ultimatemonthly average≤ 1309 lb/dMar–Oct
Oxygen, dissolved [DO]minimum≥ 6 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≤ 876 lb/dall year
BOD, 5-day, 20 deg. Cweekly average≤ 1314 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≤ 876 lb/dall year
Solids, total suspendedweekly average≤ 1314 lb/dall year
Nitrogen, total [as N]monthly averagereport only (mg/L)all year
Nitrogen, total [as N]weekly averagereport only (mg/L)all year
Nitrogen, total [as N]monthly averagereport only (lb/d)all year
Nitrogen, total [as N]weekly averagereport only (lb/d)all year
Nitrogen, ammonia total [as N]monthly average≤ 9.77 mg/LJan, Feb, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 4.44 mg/LMar–Oct
Nitrogen, ammonia total [as N]weekly average≤ 14.7 mg/LJan, Feb, Nov, Dec
Nitrogen, ammonia total [as N]weekly average≤ 6.66 mg/LMar–Oct
Nitrogen, ammonia total [as N]monthly average≤ 285 lb/dJan, Feb, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 130 lb/dMar–Oct
Nitrogen, ammonia total [as N]weekly average≤ 429 lb/dJan, Feb, Nov, Dec
Nitrogen, ammonia total [as N]weekly average≤ 194 lb/dMar–Oct
Phosphorus, total [as P]monthly averagereport only (mg/L)all year
Phosphorus, total [as P]weekly averagereport only (mg/L)all year
Phosphorus, total [as P]monthly averagereport only (lb/d)all year
Phosphorus, total [as P]weekly averagereport 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≤ .026 mg/Lall year
Chlorine, total residualdaily maximum≤ .046 mg/Lall year
Chlorine, total residualmonthly average≤ .76 lb/dall year
Chlorine, total residualdaily maximum≤ 1.34 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
Cyanide, free availablemonthly average≤ .013 mg/Lall year
Cyanide, free availabledaily maximum≤ .053 mg/Lall year
Cyanide, free availablemonthly maximum≤ .38 lb/dall year
Cyanide, free availabledaily maximum≤ 1.55 lb/dall 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/d)all year
Chemical oxygen demand [COD]weekly averagereport only (lb/d)all year
BOD, 5-day, percent removalmonthly average minimum≥ 85 %all year
Solids, suspended percent removalmonthly average minimum≥ 85 %all year
LC50 Static 48Hr Acute Ceriodaphnia dubiadaily minimumreport only (%)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
IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubiadaily minimumreport only (%)all year

How strict are these limits?

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/SC0035971 · MCP: https://passage-data.com/mcp