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Morgan County Schools

Sewage treatment plant, Coalfield, Tennessee. NPDES permit TN0023078, in force until Jun 30, 2031. Last 12 months: over a limit 19 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form G monthly (15 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
16 values over a limit, 0 required values missing, 0 of 12 reports late

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

All 19 values over a limit
Period endingParameterReportedLimitOver by
October 2025Nitrogen, ammonia total [as N], daily maximum3.5 mg/L≤ 1.46 mg/L140%
October 2025Nitrogen, ammonia total [as N], monthly average3.5 mg/L≤ .73 mg/L379%
November 2025Nitrogen, ammonia total [as N], daily maximum3.5 mg/L≤ 2.78 mg/L26%
November 2025Nitrogen, ammonia total [as N], monthly average3.5 mg/L≤ 1.39 mg/L152%
December 2025Nitrogen, ammonia total [as N], daily maximum3.5 mg/L≤ 2.78 mg/L26%
December 2025Nitrogen, ammonia total [as N], monthly average2.3 mg/L≤ 1.39 mg/L65%
January 2026Nitrogen, ammonia total [as N], daily maximum3.5 mg/L≤ 2.78 mg/L26%
January 2026Nitrogen, ammonia total [as N], monthly average3.15 mg/L≤ 1.39 mg/L127%
February 2026BOD, carbonaceous [5 day, 20 C], monthly average11 mg/L≤ 10 mg/L10%
February 2026Nitrogen, ammonia total [as N], daily maximum3.5 mg/L≤ 2.78 mg/L26%
February 2026Nitrogen, ammonia total [as N], monthly average3.2 mg/L≤ 1.39 mg/L130%
March 2026Nitrogen, ammonia total [as N], daily maximum3.5 mg/L≤ 2.78 mg/L26%
March 2026Nitrogen, ammonia total [as N], monthly average2.5 mg/L≤ 1.39 mg/L80%
May 2026Nitrogen, ammonia total [as N], daily maximum3.5 mg/L≤ 1.46 mg/L140%
May 2026Nitrogen, ammonia total [as N], monthly average1.9 mg/L≤ .73 mg/L160%
June 2026Nitrogen, ammonia total [as N], daily maximum3.5 mg/L≤ 1.46 mg/L140%
June 2026Nitrogen, ammonia total [as N], monthly average2.6 mg/L≤ .73 mg/L256%
August 2026Nitrogen, ammonia total [as N], daily maximum3.5 mg/L≤ 1.46 mg/L140%
August 2026Nitrogen, ammonia total [as N], monthly average3.5 mg/L≤ .73 mg/L379%

Limits in force (17)

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≤ 1.39 mg/LJan, Feb, Mar, Apr, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ .73 mg/LMay–Oct
Nitrogen, ammonia total [as N]daily maximum≤ 2.78 mg/LJan, Feb, Mar, Apr, Nov, Dec
Nitrogen, ammonia total [as N]daily maximum≤ 1.46 mg/LMay–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 residualdaily maximum≤ .02 mg/Lall year
E. coligeometric 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/TN0023078 · MCP: https://passage-data.com/mcp