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Lamar Town of

Sewage treatment plant, Lamar, South Carolina. NPDES permit SC0043702 expired Oct 31, 2022; its limits still apply. Last 12 months: over a limit 6 times (last July 2026), 4 required values missing, 2 of 12 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 29 days after each period: form 1 monthly (23 values), form 2 every 24 months
Last report on file
August 2026
Oct 2024 – Sep 2025
8 values over a limit, 2 required values missing, 1 of 12 reports late

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

Period endingParameterReportedLimitOver by
May 2026E. coli, daily maximum365≤ 349 MPN/100mL5%
May 2026Oxygen, dissolved [DO], minimum1.7≥ 2 mg/L15%
May 2026Solids, suspended percent removal, monthly average minimum61≥ 65 %11%
June 2026E. coli, 30-day geometric mean148≤ 126 MPN/100mL17%
June 2026E. coli, daily maximum690≤ 349 MPN/100mL98%
July 2026Oxygen, dissolved [DO], minimum.56≥ 2 mg/L72%

Limits in force (27)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]minimum≥ 2 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 45 mg/Lall year
BOD, 5-day, 20 deg. Cweekly average≤ 65 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 244 lb/dall year
BOD, 5-day, 20 deg. Cweekly average≤ 352 lb/dall year
pHminimum≥ 6 SUall year
pHdaily maximum≤ 8.5 SUall year
Solids, total suspendedmonthly average≤ 90 mg/Lall year
Solids, total suspendedweekly average≤ 135 mg/Lall year
Solids, total suspendedmonthly average≤ 488 lb/dall year
Solids, total suspendedweekly average≤ 732 lb/dall 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≤ .5 mg/Lall year
Chlorine, total residualdaily maximum≤ 1 mg/Lall year
Chlorine, total residualmonthly average≤ 2.7 lb/dall year
Chlorine, total residualdaily maximum≤ 5.4 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
Mercury, total [as Hg]monthly averagereport only (mg/L)all year
Mercury, total [as Hg]daily maximumreport only (mg/L)all year
Mercury, total [as Hg]monthly averagereport only (lb/d)all year
Mercury, total [as Hg]daily maximumreport only (lb/d)all year
BOD, 5-day, percent removalmonthly average minimum≥ 65 %all year
Solids, suspended percent removalmonthly average minimum≥ 65 %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/SC0043702 · MCP: https://passage-data.com/mcp