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Jefferson Town of

Sewage treatment plant, Jefferson, South Carolina. NPDES permit SC0024767 expired Aug 31, 2020; 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 (25 values), form 2 every 60 months
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 13 reports late

Limits in force (39)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]minimum≥ 5 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 15 mg/Lall year
BOD, 5-day, 20 deg. Cweekly average≤ 22.5 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 18.8 lb/dall year
BOD, 5-day, 20 deg. Cweekly average≤ 28.2 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≤ 37.6 lb/dall year
Solids, total suspendedweekly average≤ 56.4 lb/dall year
Nitrogen, ammonia total [as N]monthly average≤ 1.21 mg/LMar–Oct
Nitrogen, ammonia total [as N]monthly average≤ 1.81 mg/LJan, Feb, Nov, Dec
Nitrogen, ammonia total [as N]weekly average≤ 1.82 mg/LMar–Oct
Nitrogen, ammonia total [as N]weekly average≤ 2.72 mg/LJan, Feb, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 1.6 lb/dMar–Oct
Nitrogen, ammonia total [as N]monthly average≤ 2.3 lb/dJan, Feb, Nov, Dec
Nitrogen, ammonia total [as N]weekly average≤ 2.3 lb/dMar–Oct
Nitrogen, ammonia total [as N]weekly average≤ 3.4 lb/dJan, Feb, Nov, Dec
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≤ .014 mg/Lall year
Chlorine, total residualdaily maximum≤ .024 mg/Lall year
E. colimonthly average≤ 126 MPN/100mLall year
E. coli30-day geometric mean≤ 126 MPN/100mLall year
E. colidaily maximum≤ 349 MPN/100mLall year
E. colidaily maximum≤ 349 MPN/100mLall year
E. colimonthly average≤ 126 MPN/100mLall year
E. coli30-day geometric mean≤ 126 MPN/100mLall year
E. colidaily maximum≤ 800 MPN/100mLall year
E. colidaily maximum≤ 800 MPN/100mLall 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 averagereport only (%)all year
%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubiadaily maximumreport only (%)all year
%Mortality 7Day Chronic Ceriodaphnia dubiamonthly averagereport only (%)all year
%Mortality 7Day Chronic Ceriodaphnia dubiadaily maximumreport only (%)all year
%Repro Reduc Static Renewal7D Chronic Ceriodaphnia dubiamonthly averagereport only (%)all year
%Repro Reduc Static Renewal7D Chronic Ceriodaphnia dubiadaily maximumreport 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/SC0024767 · MCP: https://passage-data.com/mcp