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Chesnee City of

Sewage treatment plant, Chesnee, South Carolina. NPDES permit SC0025763, in force until Dec 31, 2027. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 29 days after each period: form 1 monthly (27 values), form 2 quarterly (4 values)
Renewal application due
Jul 4, 2027 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
1 value over a limit, 0 required values missing, 0 of 16 reports late

Limits in force (35)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]minimum≥ 4.2 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≤ 123 lb/dall year
BOD, 5-day, 20 deg. Cweekly average≤ 185 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≤ 123 lb/dall year
Solids, total suspendedweekly average≤ 185 lb/dall year
Nitrogen, ammonia total [as N]monthly average≤ 5.79 mg/LJan, Feb, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 2.93 mg/LMar–Oct
Nitrogen, ammonia total [as N]weekly average≤ 8.69 mg/LJan, Feb, Nov, Dec
Nitrogen, ammonia total [as N]weekly average≤ 4.39 mg/LMar–Oct
Nitrogen, ammonia total [as N]monthly average≤ 12 lb/dJan, Feb, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 11 lb/dMar–Oct
Nitrogen, ammonia total [as N]weekly average≤ 18 lb/dJan, Feb, Nov, Dec
Nitrogen, ammonia total [as N]weekly average≤ 17 lb/dMar–Oct
Phosphorus, total [as P]monthly averagereport only (mg/L)all year
Phosphorus, total [as P]weekly averagereport only (mg/L)all year
Phosphorus, total [as P]monthly averagereport only (lb/d)all year
Phosphorus, total [as P]weekly averagereport only (lb/d)all 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≤ .015 mg/Lall year
Chlorine, total residualdaily maximum≤ .025 mg/Lall year
Chlorine, total residualmonthly average≤ .06 lb/dall year
Chlorine, total residualdaily maximum≤ .1 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

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/SC0025763 · MCP: https://passage-data.com/mcp