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Saluda Commission of Public Works

Sewage treatment plant, Saluda, South Carolina. NPDES permit SC0022381 expired Jan 31, 2026; its limits still apply. Last 12 months: no values over a limit, 1 of 12 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form 1 monthly (35 values), form 3 yearly
Last report on file
August 2026
Oct 2024 – Sep 2025
99 values over a limit, 12 required values missing, 10 of 13 reports late

Limits in force (43)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]minimum≥ 6 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 5.35 mg/Lall year
BOD, 5-day, 20 deg. Cweekly average≤ 8.03 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 21 lb/dall year
BOD, 5-day, 20 deg. Cweekly average≤ 32 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≤ 116 lb/dall year
Solids, total suspendedweekly average≤ 174 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 average= 10.6 lb/dall year
Nitrogen, total [as N]weekly averagereport only (lb/d)all year
Nitrogen, ammonia total [as N]monthly average≤ 1 mg/LMar–Oct
Nitrogen, ammonia total [as N]monthly average≤ 2.11 mg/LJan, Feb, Nov, Dec
Nitrogen, ammonia total [as N]weekly average≤ 1.5 mg/LMar–Oct
Nitrogen, ammonia total [as N]weekly average≤ 3.17 mg/LJan, Feb, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 4 lb/dMar–Oct
Nitrogen, ammonia total [as N]monthly average≤ 8 lb/dJan, Feb, Nov, Dec
Nitrogen, ammonia total [as N]weekly average≤ 6 lb/dMar–Oct
Nitrogen, ammonia total [as N]weekly average≤ 12 lb/dJan, Feb, Nov, Dec
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 average= .85 lb/dall 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≤ .012 mg/Lall year
Chlorine, total residualdaily maximum≤ .021 mg/Lall year
Chlorine, total residualmonthly average≤ .05 lb/dall year
Chlorine, total residualdaily maximum≤ .08 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
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/SC0022381 · MCP: https://passage-data.com/mcp