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Westrock CP LLC

Paperboard Mills, major discharger, Florence, South Carolina. NPDES permit SC0000876 expired Oct 31, 2011; its limits still apply. Last 12 months: over a limit 5 times (last August 2026), 1 required value missing, 1 of 17 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 29 days after each period: form 1 monthly (14 values), form 2 quarterly, form 3 yearly, form 4 every 60 months
Last report on file
August 2026
Oct 2024 – Sep 2025
2 values over a limit, 0 required values missing, 0 of 17 reports late

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

Period endingParameterReportedLimitOver by
October 2025Coliform, fecal general, daily maximum523≤ 400 #/100mL31%
January 2026Coliform, fecal general, 30-day geometric mean3363≤ 200 #/100mL1582%
January 2026Coliform, fecal general, daily maximum4350≤ 400 #/100mL988%
February 2026Coliform, fecal general, daily maximum504≤ 400 #/100mL26%
August 2026Coliform, fecal general, daily maximum521≤ 400 #/100mL30%

Limits in force (25)

ParameterStatisticLimitMonths
Color [PT-CO units]monthly averagereport only (col unit (pc))all year
Color [PT-CO units]daily maximumreport only (col unit (pc))all year
Color [PT-CO units]monthly averagereport only (col unit (pc))all year
BOD, 5-day, 20 deg. Cmonthly average≤ 10220 lb/dall year
BOD, 5-day, 20 deg. Cdaily maximum≤ 20440 lb/dall year
pHinstantaneous minimum≥ 6 SUall year
pHinstantaneous maximum≤ 9 SUall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Solids, total suspendeddaily maximumreport only (mg/L)all year
Solids, total suspendedmonthly average≤ 21900 lb/dall year
Solids, total suspendeddaily maximum≤ 43800 lb/dall year
Nitrogen, ammonia total [as N]monthly average≤ 2 mg/Lall year
Nitrogen, ammonia total [as N]daily maximum≤ 4 mg/Lall year
Sulfide, total [as S]monthly averagereport only (mg/L)all year
Sulfide, total [as S]daily maximumreport only (mg/L)all year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Coliform, fecal general30-day geometric mean≤ 200 #/100mLall year
Coliform, fecal generaldaily maximum≤ 400 #/100mLall year
%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubiaquarterly averagereport only (%)all year
%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubiamaximumreport only (%)all year
%Mortality 7Day Chronic Ceriodaphnia dubiaquarterly averagereport only (%)all year
%Mortality 7Day Chronic Ceriodaphnia dubiamaximumreport only (%)all year
%Repro Reduc Static Renewal7D Chronic Ceriodaphnia dubiaquarterly averagereport only (%)all year
%Repro Reduc Static Renewal7D Chronic Ceriodaphnia dubiamaximumreport only (%)all year

How strict are these limits?

Cited limits by parameter: South Carolina's rules and the federal ones.

Same industry: the 9 Paper and Allied Products permits in South Carolina.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/SC0000876 · MCP: https://passage-data.com/mcp