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Billy Hollingsworth - Mayor, Town of Whitmire

Sewage treatment plant, Newberry, South Carolina. NPDES permit SC0022390 expired Sep 30, 2022; its limits still apply. Last 12 months: over a limit 2 times (last September 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 29 days after each period: form 1 monthly (27 values), form 2 quarterly (2 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 16 reports late

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

Period endingParameterReportedLimitOver by
September 2026%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia, daily maximum55≤ 40 %38%
September 2026%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia, monthly average27.5≤ 25 %10%

Limits in force (33)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]minimum≥ 2 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year
BOD, 5-day, 20 deg. Cweekly average≤ 45 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 150 lb/dall year
BOD, 5-day, 20 deg. Cweekly average≤ 225 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≤ 150 lb/dall year
Solids, total suspendedweekly average≤ 225 lb/dall year
Nitrogen, ammonia total [as N]monthly average≤ 17.34 mg/LMar–Oct
Nitrogen, ammonia total [as N]monthly average≤ 20 mg/LJan, Feb, Nov, Dec
Nitrogen, ammonia total [as N]weekly average≤ 26.01 mg/LMar–Oct
Nitrogen, ammonia total [as N]weekly average≤ 30 mg/LJan, Feb, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 87 lb/dMar–Oct
Nitrogen, ammonia total [as N]monthly average≤ 100 lb/dJan, Feb, Nov, Dec
Nitrogen, ammonia total [as N]weekly average≤ 131 lb/dMar–Oct
Nitrogen, ammonia total [as N]weekly average≤ 150 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≤ .088 mg/Lall year
Chlorine, total residualdaily maximum≤ .152 mg/Lall year
Chlorine, total residualmonthly average≤ .44 lb/dall year
Chlorine, total residualdaily maximum≤ .76 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
%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubiamonthly average≤ 25 %all year
%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubiadaily maximum≤ 40 %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/SC0022390 · MCP: https://passage-data.com/mcp