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Grundy County

Sewerage Systems, Pelham, Tennessee. NPDES permit TN0078697, in force until Nov 30, 2027. Last 12 months: over a limit 31 times (last September 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form G monthly (16 values)
Renewal application due
Jun 3, 2027 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
27 values over a limit, 0 required values missing, 0 of 12 reports late

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

All 31 values over a limit
Period endingParameterReportedLimitOver by
October 2025E. coli, daily maximum> 2420 #/100mL≤ 941 #/100mL—
October 2025Nitrogen, ammonia total [as N], daily maximum30.5 mg/L≤ 4 mg/L663%
October 2025Nitrogen, ammonia total [as N], monthly average17.3 mg/L≤ 2 mg/L765%
November 2025E. coli, daily maximum> 2420 #/100mL≤ 941 #/100mL—
November 2025Nitrogen, ammonia total [as N], daily maximum29.6 mg/L≤ 8 mg/L270%
November 2025Nitrogen, ammonia total [as N], monthly average22.7 mg/L≤ 4 mg/L468%
December 2025Nitrogen, ammonia total [as N], daily maximum25.8 mg/L≤ 8 mg/L223%
December 2025Nitrogen, ammonia total [as N], monthly average22.7 mg/L≤ 4 mg/L468%
January 2026Nitrogen, ammonia total [as N], daily maximum31.2 mg/L≤ 8 mg/L290%
January 2026Nitrogen, ammonia total [as N], monthly average23.9 mg/L≤ 4 mg/L498%
February 2026Nitrogen, ammonia total [as N], daily maximum26.3 mg/L≤ 8 mg/L229%
February 2026Nitrogen, ammonia total [as N], monthly average23.6 mg/L≤ 4 mg/L490%
March 2026E. coli, daily maximum> 2420 #/100mL≤ 941 #/100mL—
March 2026Nitrogen, ammonia total [as N], daily maximum27.3 mg/L≤ 8 mg/L241%
March 2026Nitrogen, ammonia total [as N], monthly average24.3 mg/L≤ 4 mg/L508%
April 2026E. coli, daily maximum> 2420 #/100mL≤ 941 #/100mL—
April 2026E. coli, monthly geometric mean274 #/100mL≤ 126 #/100mL117%
April 2026Nitrogen, ammonia total [as N], daily maximum34.8 mg/L≤ 8 mg/L335%
April 2026Nitrogen, ammonia total [as N], monthly average26.1 mg/L≤ 4 mg/L553%
May 2026Nitrogen, ammonia total [as N], daily maximum28.8 mg/L≤ 4 mg/L620%
May 2026Nitrogen, ammonia total [as N], monthly average18.7 mg/L≤ 2 mg/L835%
June 2026E. coli, daily maximum> 2420 #/100mL≤ 941 #/100mL—
June 2026Nitrogen, ammonia total [as N], daily maximum18.2 mg/L≤ 4 mg/L355%
June 2026Nitrogen, ammonia total [as N], monthly average16.6 mg/L≤ 2 mg/L730%
July 2026Nitrogen, ammonia total [as N], daily maximum21.3 mg/L≤ 4 mg/L433%
July 2026Nitrogen, ammonia total [as N], monthly average10.3 mg/L≤ 2 mg/L415%
August 2026E. coli, daily maximum> 2420 #/100mL≤ 941 #/100mL—
August 2026Nitrogen, ammonia total [as N], daily maximum21.6 mg/L≤ 4 mg/L440%
August 2026Nitrogen, ammonia total [as N], monthly average19.6 mg/L≤ 2 mg/L880%
September 2026Nitrogen, ammonia total [as N], daily maximum17.2 mg/L≤ 4 mg/L330%
September 2026Nitrogen, ammonia total [as N], monthly average5.83 mg/L≤ 2 mg/L192%

Limits in force (20)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]instantaneous minimum≥ 3 mg/Lall year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 10 mg/Lall year
Solids, total suspendeddaily maximum≤ 20 mg/Lall year
Solids, settleabledaily maximum≤ 1 mL/Lall year
Nitrogen, ammonia total [as N]monthly average≤ 4 mg/LJan, Feb, Mar, Apr, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 2 mg/LMay–Oct
Nitrogen, ammonia total [as N]daily maximum≤ 8 mg/LJan, Feb, Mar, Apr, Nov, Dec
Nitrogen, ammonia total [as N]daily maximum≤ 4 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 residualmonthly average≤ .43 mg/Lall year
Chlorine, total residualdaily maximum≤ .74 mg/Lall year
E. colimonthly geometric mean≤ 126 #/100mLall year
E. colidaily maximum≤ 941 #/100mLall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 10 mg/LMay–Oct
BOD, carbonaceous [5 day, 20 C]monthly average≤ 15 mg/LJan, Feb, Mar, Apr, Nov, Dec
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 20 mg/LMay–Oct
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 30 mg/LJan, Feb, Mar, Apr, Nov, Dec

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/TN0078697 · MCP: https://passage-data.com/mcp