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Town of Mosheim

Sewage treatment plant, Mosheim, Tennessee. NPDES permit TN0059366, in force until Sep 30, 2030. Last 12 months: over a limit 72 times (last September 2026), 1 required value missing, 9 of 24 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 001 form G monthly (36 values), outfall INF1 form G monthly (6 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
31 values over a limit, 3 required values missing, 7 of 24 reports late

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

All 72 values over a limit
Period endingParameterReportedLimitOver by
October 2025Nitrogen, ammonia total [as N], daily maximum19 mg/L≤ 10 mg/L90%
October 2025Nitrogen, ammonia total [as N], weekly average14.5 mg/L≤ 8 mg/L81%
October 2025Nitrogen, total [as N], rolling average49000 lb/yr≤ 23744 lb/yr106%
October 2025SSO, Dry Weather, monthly total4 occur/mo≤ 0 occur/mo—
October 2025SSO, Dry Weather, monthly total4 occur/mo≤ 0 occur/mo—
November 2025Nitrogen, total [as N], rolling average44786 lb/yr≤ 23744 lb/yr89%
November 2025SSO, Dry Weather, monthly total1 occur/mo≤ 0 occur/mo—
November 2025Solids, total suspended, daily maximum26 mg/L≤ 25 mg/L4%
November 2025Solids, total suspended, weekly average21.3 mg/L≤ 20 mg/L7%
December 2025Nitrogen, ammonia total [as N], monthly average13 mg/L≤ 11 mg/L18%
December 2025Nitrogen, ammonia total [as N], weekly average17.5 mg/L≤ 17 mg/L3%
December 2025Nitrogen, total [as N], rolling average45649 lb/yr≤ 23744 lb/yr92%
January 2026Nitrogen, total [as N], rolling average44164 lb/yr≤ 23744 lb/yr86%
January 2026Phosphorus, total [as P], rolling average3012 lb/yr≤ 2968 lb/yr1%
January 2026SSO, Dry Weather, monthly total1 occur/mo≤ 0 occur/mo—
January 2026Solids, total suspended, daily maximum35 mg/L≤ 25 mg/L40%
February 2026Nitrogen, total [as N], rolling average42772.7 lb/yr≤ 23744 lb/yr80%
February 2026Phosphorus, total [as P], rolling average3059.6 lb/yr≤ 2968 lb/yr3%
February 2026SSO, Dry Weather, monthly total1 occur/mo≤ 0 occur/mo—
February 2026SSO, Wet Weather, monthly total3 occur/mo≤ 0 occur/mo—
February 2026Solids, total suspended, daily maximum28 mg/L≤ 25 mg/L12%
February 2026Solids, total suspended, weekly average21 mg/L≤ 20 mg/L5%
March 2026Chlorine, total residual, daily maximum2.2 mg/L≤ .15 mg/L1367%
March 2026Chlorine, total residual, monthly average.14 mg/L≤ .09 mg/L56%
March 2026Nitrogen, ammonia total [as N], daily maximum31 mg/L≤ 22 mg/L41%
March 2026Nitrogen, ammonia total [as N], weekly average20.2 mg/L≤ 17 mg/L19%
March 2026Nitrogen, total [as N], rolling average41894 lb/yr≤ 23744 lb/yr76%
March 2026Phosphorus, total [as P], rolling average3115 lb/yr≤ 2968 lb/yr5%
March 2026SSO, Dry Weather, monthly total1 occur/mo≤ 0 occur/mo—
March 2026SSO, Wet Weather, monthly total1 occur/mo≤ 0 occur/mo—
March 2026Solids, settleable, daily maximum3 mL/L≤ 1 mL/L200%
March 2026Solids, total suspended, daily maximum38 mg/L≤ 25 mg/L52%
March 2026Solids, total suspended, weekly average30 mg/L≤ 20 mg/L50%
March 2026pH, daily minimum5.2 SU≥ 6 SU—
April 2026E. coli, daily maximum2420 #/100mL≤ 410 #/100mL490%
April 2026Nitrogen, total [as N], rolling average40135 lb/yr≤ 23744 lb/yr69%
April 2026Phosphorus, total [as P], rolling average3234 lb/yr≤ 2968 lb/yr9%
April 2026SSO, Dry Weather, monthly total1 occur/mo≤ 0 occur/mo—
April 2026Solids, total suspended, daily maximum38 mg/L≤ 25 mg/L52%
April 2026Solids, total suspended, monthly average16 mg/L≤ 15 mg/L7%
April 2026pH, daily minimum5.7 SU≥ 6 SU—
May 2026Nitrogen, total [as N], rolling average39729 lb/yr≤ 23744 lb/yr67%
May 2026Phosphorus, total [as P], rolling average3310 lb/yr≤ 2968 lb/yr12%
May 2026SSO, Dry Weather, monthly total2 occur/mo≤ 0 occur/mo—
May 2026SSO, Wet Weather, monthly total3 occur/mo≤ 0 occur/mo—
May 2026Solids, total suspended, weekly average25 mg/L≤ 20 mg/L25%
June 2026Nitrogen, total [as N], rolling average41282 lb/yr≤ 23744 lb/yr74%
June 2026Phosphorus, total [as P], rolling average3954 lb/yr≤ 2968 lb/yr33%
June 2026SSO, Wet Weather, monthly total2 occur/mo≤ 0 occur/mo—
June 2026Solids, total suspended, daily maximum27 mg/L≤ 25 mg/L8%
June 2026Solids, total suspended, monthly average15.8 mg/L≤ 15 mg/L5%
June 2026Solids, total suspended, weekly average20.7 mg/L≤ 20 mg/L4%
June 2026pH, daily minimum5.4 SU≥ 6 SU—
July 2026IC25 Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia, minimum1.7 %> 12.3 %86%
July 2026Nitrogen, ammonia total [as N], daily maximum29.8 mg/L≤ 10 mg/L198%
July 2026Nitrogen, ammonia total [as N], monthly average7.3 mg/L≤ 5 mg/L46%
July 2026Nitrogen, ammonia total [as N], weekly average11.6 mg/L≤ 8 mg/L45%
July 2026Nitrogen, total [as N], rolling average41836 lb/yr≤ 23744 lb/yr76%
July 2026Phosphorus, total [as P], rolling average4678 lb/yr≤ 2968 lb/yr58%
July 2026SSO, Wet Weather, monthly total8 occur/mo≤ 0 occur/mo—
August 2026IC25 Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia, minimum11.7 %> 12.3 %5%
August 2026Nitrogen, ammonia total [as N], daily maximum18.3 mg/L≤ 10 mg/L83%
August 2026Nitrogen, ammonia total [as N], monthly average7.55 mg/L≤ 5 mg/L51%
August 2026Nitrogen, ammonia total [as N], weekly average17.02 mg/L≤ 8 mg/L113%
August 2026Nitrogen, ammonia total [as N], weekly average67.3 lb/d≤ 65 lb/d4%
August 2026Nitrogen, total [as N], rolling average42872 lb/yr≤ 23744 lb/yr81%
August 2026Phosphorus, total [as P], rolling average5255 lb/yr≤ 2968 lb/yr77%
August 2026SSO, Dry Weather, monthly total5 occur/mo≤ 0 occur/mo—
August 2026SSO, Wet Weather, monthly total4 occur/mo≤ 0 occur/mo—
September 2026Nitrogen, total [as N], rolling average41470 lb/yr≤ 23744 lb/yr75%
September 2026Phosphorus, total [as P], rolling average5525 lb/yr≤ 2968 lb/yr86%
September 2026SSO, Wet Weather, monthly total1 occur/mo≤ 0 occur/mo—

Limits in force (52)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]instantaneous minimum≥ 6 mg/Lall year001
pHdaily minimum≥ 6 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 15 mg/Lall year001
Solids, total suspendedweekly average≤ 20 mg/Lall year001
Solids, total suspendeddaily maximum≤ 25 mg/Lall year001
Solids, total suspendedmonthly average≤ 122 lb/dall year001
Solids, total suspendedweekly average≤ 163 lb/dall year001
Solids, settleabledaily maximum≤ 1 mL/Lall year001
Nitrogen, total [as N]monthly averagereport only (mg/L)all year001
Nitrogen, total [as N]monthly averagereport only (lb/d)all year001
Nitrogen, total [as N]rolling average≤ 23744 lb/yrall year001
Nitrogen, ammonia total [as N]monthly average≤ 5 mg/LMay–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 11 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]weekly average≤ 8 mg/LMay–Oct001
Nitrogen, ammonia total [as N]weekly average≤ 17 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 10 mg/LMay–Oct001
Nitrogen, ammonia total [as N]daily maximum≤ 22 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 41 lb/dMay–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 89 lb/dJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]weekly average≤ 65 lb/dMay–Oct001
Nitrogen, ammonia total [as N]weekly average≤ 138 lb/dJan, Feb, Mar, Apr, Nov, Dec001
Phosphorus, total [as P]monthly averagereport only (mg/L)all year001
Phosphorus, total [as P]monthly averagereport only (lb/d)all year001
Phosphorus, total [as P]rolling average≤ 2968 lb/yrall year001
Cyanide, total [as CN]monthly average≤ .0214 mg/Lall year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Chlorine, total residualmonthly average≤ .09 mg/Lall year001
Chlorine, total residualdaily maximum≤ .15 mg/Lall year001
E. colimonthly geometric mean≤ 126 #/100mLall year001
E. colidaily maximum≤ 410 #/100mLall year001
SSO, Dry Weathermonthly total≤ 0 occur/moall year001
SSO, Wet Weathermonthly total≤ 0 occur/moall year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 20 mg/LMay–Oct001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/LJan, Feb, Mar, Apr, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 25 mg/LMay–Oct001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 35 mg/LJan, Feb, Mar, Apr, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 30 mg/LMay–Oct001
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 40 mg/LJan, Feb, Mar, Apr, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 163 lb/dMay–Oct001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 203 lb/dJan, Feb, Mar, Apr, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 203 lb/dMay–Oct001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 285 lb/dJan, Feb, Mar, Apr, Nov, Dec001
IC25 Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubiaminimum> 12.3 %all year001
IC25 Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelasminimum> 12.3 %all year001
Solids, total suspendedmonthly averagereport only (mg/L)all yearINF1
Solids, total suspendeddaily maximumreport only (mg/L)all yearINF1
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all yearINF1
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all yearINF1
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all yearINF1
BOD, carbonaceous [5 day, 20 C]daily maximumreport only (mg/L)all yearINF1

How strict are these limits?

Cited limits by parameter: Tennessee's rules and the federal ones.

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