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Greene County Board of Education

Sewage treatment plant, Chuckey, Tennessee. NPDES permit TN0058271, in force until Sep 30, 2030. Last 12 months: over a limit 9 times (last August 2026), 1 of 12 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form G monthly (16 values)
Last report on file
September 2026

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

Period endingParameterReportedLimitOver by
January 2026BOD, carbonaceous [5 day, 20 C], monthly average10.5 mg/L≤ 10 mg/L5%
February 2026E. coli, daily maximum411 #/100mL≤ 410 #/100mL0%
February 2026Oxygen, dissolved [DO], daily minimum4.2 mg/L≥ 6 mg/L30%
March 2026Oxygen, dissolved [DO], daily minimum5.45 mg/L≥ 6 mg/L9%
April 2026Oxygen, dissolved [DO], daily minimum5.87 mg/L≥ 6 mg/L2%
May 2026Oxygen, dissolved [DO], daily minimum1.35 mg/L≥ 6 mg/L78%
August 2026Nitrogen, ammonia total [as N], daily maximum11.5 mg/L≤ 2 mg/L475%
August 2026Nitrogen, ammonia total [as N], monthly average11.5 mg/L≤ 1 mg/L1050%
August 2026Oxygen, dissolved [DO], daily minimum5.1 mg/L≥ 6 mg/L15%

Limits in force (18)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]daily minimum≥ 6 mg/Lall year
pHdaily minimum≥ 6 SUall year
pHdaily maximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendeddaily maximum≤ 45 mg/Lall year
Solids, settleabledaily maximum≤ 1 mL/Lall year
Nitrogen, ammonia total [as N]monthly average≤ 1 mg/LMay–Oct
Nitrogen, ammonia total [as N]monthly average≤ 1.9 mg/LJan, Feb, Mar, Apr, Nov, Dec
Nitrogen, ammonia total [as N]daily maximum≤ 2 mg/LMay–Oct
Nitrogen, ammonia total [as N]daily maximum≤ 3.8 mg/LJan, Feb, Mar, Apr, Nov, Dec
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≤ .011 mg/Lall year
Chlorine, total residualdaily maximum≤ .02 mg/Lall year
E. colimonthly geometric mean≤ 126 #/100mLall year
E. colidaily maximum≤ 410 #/100mLall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 10 mg/Lall year
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 20 mg/Lall year

How strict are these limits?

Cited limits by parameter: Tennessee'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/TN0058271 · MCP: https://passage-data.com/mcp