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Saluda County Water and Sewer Authority

Sewage treatment plant, Saluda, South Carolina. NPDES permit SC0049360, in force until Jan 31, 2027. Last 12 months: over a limit 26 times (last September 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 31 days after each period: form C1 monthly (35 values), form C2 quarterly (4 values)
Renewal application due
Aug 4, 2026 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 1 of 17 reports late

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

All 26 values over a limit
Period endingParameterReportedLimitOver by
October 2025BOD, 5-day, 20 deg. C, monthly average6.4≤ 5.4 mg/L19%
October 2025BOD, 5-day, 20 deg. C, weekly average12≤ 8 mg/L50%
October 2025Nitrogen, total [as N], monthly average8.43≤ 4 mg/L111%
November 2025BOD, carbonaceous [5 day, 20 C], monthly average6.9≤ 5.35 mg/L29%
November 2025BOD, carbonaceous [5 day, 20 C], weekly average13≤ 8 mg/L63%
December 2025BOD, carbonaceous [5 day, 20 C], monthly average7.48≤ 5.35 mg/L40%
December 2025BOD, carbonaceous [5 day, 20 C], weekly average13≤ 8 mg/L63%
December 2025BOD, carbonaceous [5 day, 20 C], weekly average94.11≤ 67 lb/d40%
February 2026BOD, carbonaceous [5 day, 20 C], monthly average5.99≤ 5.35 mg/L12%
February 2026BOD, carbonaceous [5 day, 20 C], weekly average10.05≤ 8 mg/L26%
March 2026%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia, daily maximum87≤ 40 %118%
March 2026%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia, monthly average45≤ 25 %80%
April 2026BOD, carbonaceous [5 day, 20 C], monthly average7.05≤ 5.35 mg/L32%
April 2026BOD, carbonaceous [5 day, 20 C], weekly average10≤ 8 mg/L25%
April 2026BOD, carbonaceous [5 day, 20 C], weekly average73≤ 67 lb/d9%
May 2026BOD, carbonaceous [5 day, 20 C], weekly average161.2≤ 120 lb/d34%
May 2026BOD, carbonaceous [5 day, 20 C], weekly average8.1≤ 8 mg/L1%
June 2026BOD, carbonaceous [5 day, 20 C], monthly average6.35≤ 5.35 mg/L19%
June 2026BOD, carbonaceous [5 day, 20 C], weekly average12≤ 8 mg/L50%
June 2026BOD, carbonaceous [5 day, 20 C], weekly average137≤ 120 lb/d14%
August 2026BOD, carbonaceous [5 day, 20 C], monthly average6.63≤ 5.35 mg/L24%
August 2026BOD, carbonaceous [5 day, 20 C], weekly average12≤ 8 mg/L50%
September 2026%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia, daily maximum79≤ 40 %98%
September 2026%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia, monthly average79≤ 25 %216%
September 2026BOD, carbonaceous [5 day, 20 C], monthly average6.08≤ 5.35 mg/L14%
September 2026Phosphorus, total [as P], monthly average15.22≤ 11.25 lb/d35%

Limits in force (46)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]minimum≥ 6 mg/Lall 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≤ 450 lb/dall year
Solids, total suspendedweekly average≤ 676 lb/dall year
Nitrogen, total [as N]monthly average≤ 7.64 mg/Lall 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≤ 2.11 mg/LJan, Feb, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 1 mg/LMar–Oct
Nitrogen, ammonia total [as N]weekly average≤ 3.17 mg/LJan, Feb, Nov, Dec
Nitrogen, ammonia total [as N]weekly average≤ 1.5 mg/LMar–Oct
Nitrogen, ammonia total [as N]monthly average≤ 32 lb/dJan, Feb, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 15 lb/dMar–Oct
Nitrogen, ammonia total [as N]weekly average≤ 48 lb/dJan, Feb, Nov, Dec
Nitrogen, ammonia total [as N]weekly average≤ 23 lb/dMar–Oct
Phosphorus, total [as P]monthly average≤ 2 mg/Lall year
Phosphorus, total [as P]weekly averagereport only (mg/L)all year
Phosphorus, total [as P]monthly average≤ 11.25 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≤ .011 mg/Lall year
Chlorine, total residualdaily maximum≤ .019 mg/Lall year
Chlorine, total residualmonthly average≤ .17 lb/dall year
Chlorine, total residualdaily maximum≤ .29 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, carbonaceous [5 day, 20 C]monthly average≤ 5.35 mg/Lall year
BOD, carbonaceous [5 day, 20 C]weekly average≤ 8 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 80 lb/dall year
BOD, carbonaceous [5 day, 20 C]weekly average≤ 120 lb/dall year
Solids, suspended percent removalmonthly average minimum≥ 85 %all year
Carbonaceous oxygen demand, % 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 dubiamonthly average≤ 25 %all year
%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubiadaily maximum≤ 40 %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
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/SC0049360 · MCP: https://passage-data.com/mcp