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Timmy Townsend

Sewerage Systems, Hamer, South Carolina. NPDES permit SC0031801, in force until Sep 30, 2031. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Last report on file
August 2026
Oct 2024 – Sep 2025
5 values over a limit, 6 required values missing, 0 of 13 reports late

Limits in force (37)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]minimum≥ 5 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 10 mg/Lall year
BOD, 5-day, 20 deg. Cdaily maximum≤ 20 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 15 lb/dall year
BOD, 5-day, 20 deg. Cdaily maximum≤ 30 lb/dall year
pHminimum≥ 6 SUall year
pHmaximum≤ 8.5 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendeddaily maximum≤ 60 mg/Lall year
Solids, total suspendedmonthly average≤ 45 lb/dall year
Solids, total suspendeddaily maximum≤ 90.1 lb/dall year
Nitrogen, ammonia total [as N]monthly average≤ 1.78 mg/LJan, Feb, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 1 mg/LMar–Oct
Nitrogen, ammonia total [as N]daily maximum≤ 3.56 mg/LJan, Feb, Nov, Dec
Nitrogen, ammonia total [as N]daily maximum≤ 2 mg/LMar–Oct
Nitrogen, ammonia total [as N]monthly average≤ 2.67 lb/dJan, Feb, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 1.5 lb/dMar–Oct
Nitrogen, ammonia total [as N]daily maximum≤ 5.34 lb/dJan, Feb, Nov, Dec
Nitrogen, ammonia total [as N]daily maximum≤ 3 lb/dMar–Oct
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Chlorine, total residualmonthly average≤ .04 mg/Lall year
Chlorine, total residualdaily maximum≤ .069 mg/Lall year
Chlorine, total residualmonthly average≤ .06 lb/dall year
Chlorine, total residualdaily maximum≤ .104 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
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 dubiadaily maximum≤ 40 %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/SC0031801 · MCP: https://passage-data.com/mcp