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Renewable Water Resources

Sewage treatment plant, major discharger, Greenville, South Carolina. NPDES permit SC0041211 expired Jun 30, 2008; its limits still apply. Last 12 months: no values over a limit, 1 required value missing, 1 of 28 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 29 days after each period: form 1 monthly (36 values), form 2 quarterly (4 values), form 4 quarterly (6 values), form 6 monthly (6 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 1 required value missing, 1 of 32 reports late

Limits in force (56)

ParameterStatisticLimitMonths
Temperature, water deg. centigradedaily maximumreport only (deg C)all year
Oxygen, dissolved [DO]instantaneous minimum≥ 6 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≤ 8757 lb/dall year
BOD, 5-day, 20 deg. Cweekly average≤ 13136 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≤ 17514 lb/dall year
Solids, total suspendedweekly average≤ 26271 lb/dall year
Nitrogen, total [as N]monthly averagereport only (mg/L)all year
Nitrogen, total [as N]monthly averagereport only (lb/d)all year
Nitrogen, ammonia total [as N]monthly average≤ 2.51 mg/LMar–Oct
Nitrogen, ammonia total [as N]monthly average≤ 4.87 mg/LJan, Feb, Nov, Dec
Nitrogen, ammonia total [as N]weekly average≤ 3.77 mg/LMar–Oct
Nitrogen, ammonia total [as N]weekly average≤ 7.31 mg/LJan, Feb, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 1465 lb/dMar–Oct
Nitrogen, ammonia total [as N]monthly average≤ 2843 lb/dJan, Feb, Nov, Dec
Nitrogen, ammonia total [as N]weekly average≤ 2198 lb/dMar–Oct
Nitrogen, ammonia total [as N]weekly average≤ 4265 lb/dJan, Feb, Nov, Dec
Phosphorus, total [as P]monthly average≤ 1.3 mg/Lall year
Phosphorus, total [as P]monthly averagereport only (lb/d)all year
Phosphorus, total [as P]monthly average≤ 8160 lb/dall year
Phosphorus, total [as P]monthly average≤ 83910 lb/dall year
Phosphorus, total [as P]monthly average≤ 114610 lb/dall year
Hardness, total [as CaCO3]monthly averagereport only (mg/L)all year
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year
Copper, total [as Cu]monthly average≤ .022 mg/Lall year
Copper, total [as Cu]daily maximum≤ .03 mg/Lall year
Color [admi units]monthly averagereport only (col unit)all year
Color [admi units]monthly averagereport only (col unit)all year
Color [admi units]monthly averagereport only (col unit)all year
Dichlorobromomethanemonthly average≤ .0041 mg/Lall year
Dibromochloromethanemonthly average≤ .003 mg/Lall year
Flow, in conduit or thru treatment plantmonthly average≤ 70 MGDall year
Flow, in conduit or thru treatment plantweekly average≤ 70 MGDall year
Chlorine, total residualmonthly averagereport only (mg/L)all year
Chlorine, total residualdaily maximumreport only (mg/L)all year
Chlorine, total residualmonthly average≤ .012 mg/Lall year
Chlorine, total residualdaily maximum≤ .021 mg/Lall year
Chlorine, total residualmonthly averagereport only (mg/L)all year
Chlorine, total residualdaily maximumreport only (mg/L)all year
Mercury, total [as Hg]monthly averagereport only (mg/L)all year
Mercury, total [as Hg]daily maximumreport only (mg/L)all year
Coliform, fecal general30-day geometric mean≤ 200 #/100mLall year
Coliform, fecal generaldaily maximum≤ 400 #/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 dubiaquarterly average≤ 25 %all year
%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubiadaily maximum≤ 40 %all year
%Mortality 7Day Chronic Ceriodaphnia dubiaquarterly averagereport only (%)all year
%Mortality 7Day Chronic Ceriodaphnia dubiadaily maximumreport only (%)all year
%Repro Reduc Static Renewal7D Chronic Ceriodaphnia dubiaquarterly 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/SC0041211 · MCP: https://passage-data.com/mcp