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Town of Selmer

Sewage treatment plant, major discharger, Selmer, Tennessee. NPDES permit TN0062308, in force until Dec 31, 2029. Last 12 months: over a limit once (last March 2026), 108 required values missing, 15 of 22 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 001 form G monthly (72 values), outfall INF1 form G monthly (12 values)
Last report on file
July 2026
Oct 2024 – Sep 2025
2 values over a limit, 0 required values missing, 7 of 19 reports late

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

Period endingParameterReportedLimitOver by
March 2026Nitrogen, ammonia total [as N], monthly average5.26 mg/L≤ 4.5 mg/L17%

Limits in force (108)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]instantaneous minimum≥ 5.5 mg/Lall year001
Oxygen, dissolved [DO]instantaneous minimum≥ 5.5 mg/Lall year001
pHminimum≥ 6 SUMay–Oct001
pHminimum≥ 6 SUMay–Oct001
pHminimum≥ 6 SUJan, Feb, Mar, Apr, Nov, Dec001
pHminimum≥ 6 SUJan, Feb, Mar, Apr, Nov, Dec001
pHmaximum≤ 10 SUMay–Oct001
pHmaximum≤ 10 SUMay–Oct001
pHmaximum≤ 9 SUJan, Feb, Mar, Apr, Nov, Dec001
pHmaximum≤ 9 SUJan, Feb, Mar, Apr, Nov, Dec001
Solids, total suspendedmonthly average≤ 100 mg/Lall year001
Solids, total suspendedmonthly average≤ 100 mg/Lall year001
Solids, total suspendedweekly average≤ 110 mg/Lall year001
Solids, total suspendedweekly average≤ 110 mg/Lall year001
Solids, total suspendeddaily maximum≤ 120 mg/Lall year001
Solids, total suspendeddaily maximum≤ 120 mg/Lall year001
Solids, total suspendedmonthly average≤ 1501 lb/dall year001
Solids, total suspendedmonthly average≤ 1501 lb/dall year001
Solids, total suspendeddaily maximum≤ 1801 lb/dall year001
Solids, total suspendeddaily maximum≤ 1801 lb/dall year001
Solids, total suspendedweekly average≤ 1651 lb/dall year001
Solids, total suspendedweekly average≤ 1651 lb/dall year001
Solids, settleabledaily maximum≤ 1 mL/Lall year001
Solids, settleabledaily maximum≤ 1 mL/Lall year001
Nitrogen, total [as N]daily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Nitrogen, total [as N]daily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Nitrogen, total [as N]daily maximumreport only (lb/d)Mar, Jun, Sep, Dec001
Nitrogen, total [as N]daily maximumreport only (lb/d)Mar, Jun, Sep, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 4.5 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 4.5 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 2.2 mg/LMay–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 2.2 mg/LMay–Oct001
Nitrogen, ammonia total [as N]daily maximum≤ 14 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 14 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 6 mg/LMay–Oct001
Nitrogen, ammonia total [as N]daily maximum≤ 6 mg/LMay–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 68 lb/dJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 68 lb/dJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 33 lb/dMay–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 33 lb/dMay–Oct001
Nitrogen, ammonia total [as N]daily maximum≤ 210 lb/dJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 210 lb/dJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 90 lb/dMay–Oct001
Nitrogen, ammonia total [as N]daily maximum≤ 90 lb/dMay–Oct001
Phosphorus, total [as P]daily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Phosphorus, total [as P]daily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Phosphorus, total [as P]daily maximumreport only (lb/d)Mar, Jun, Sep, Dec001
Phosphorus, total [as P]daily maximumreport only (lb/d)Mar, Jun, Sep, Dec001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all 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
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Chlorine, total residualmonthly average≤ .04 mg/Lall year001
Chlorine, total residualmonthly average≤ .04 mg/Lall year001
Chlorine, total residualdaily maximum≤ .07 mg/Lall year001
Chlorine, total residualdaily maximum≤ .07 mg/Lall year001
E. colimonthly geometric mean≤ 126 #/100mLall year001
E. colimonthly geometric mean≤ 126 #/100mLall year001
E. colidaily maximum≤ 410 #/100mLall year001
E. colidaily maximum≤ 410 #/100mLall year001
SSO, Dry Weathermonthly total≤ 0 occur/moall year001
SSO, Dry Weathermonthly total≤ 0 occur/moall year001
SSO, Wet Weathermonthly total≤ 0 occur/moall year001
SSO, Wet Weathermonthly total≤ 0 occur/moall year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 30 mg/LMay–Oct001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 30 mg/LMay–Oct001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 40 mg/LJan, Feb, Mar, Apr, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 40 mg/LJan, Feb, Mar, Apr, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 40 mg/LMay–Oct001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 40 mg/LMay–Oct001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 50 mg/LJan, Feb, Mar, Apr, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 50 mg/LJan, Feb, Mar, Apr, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 45 mg/LMay–Oct001
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 45 mg/LMay–Oct001
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 60 mg/LJan, Feb, Mar, Apr, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 60 mg/LJan, Feb, Mar, Apr, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 450 lb/dMay–Oct001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 450 lb/dMay–Oct001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 600 lb/dJan, Feb, Mar, Apr, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 600 lb/dJan, Feb, Mar, Apr, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 675 lb/dMay–Oct001
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 675 lb/dMay–Oct001
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 901 lb/dJan, Feb, Mar, Apr, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 901 lb/dJan, Feb, Mar, Apr, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 751 lb/dJan, Feb, Mar, Apr, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 751 lb/dJan, Feb, Mar, Apr, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 600 lb/dMay–Oct001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 600 lb/dMay–Oct001
BOD, carbonaceous, percent removalmonthly average minimum≥ 65 %all year001
BOD, carbonaceous, percent removalmonthly average minimum≥ 65 %all year001
Solids, suspended percent removalmonthly average minimum≥ 65 %all year001
Solids, suspended percent removalmonthly average minimum≥ 65 %all year001
IC25 Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubiaminimum> 28.6 %all year001
IC25 Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubiaminimum> 28.6 %all year001
IC25 Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelasminimum> 28.6 %all year001
IC25 Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelasminimum> 28.6 %all year001
Solids, total suspendedmonthly averagereport only (mg/L)all yearINF1
Solids, total suspendedmonthly averagereport only (mg/L)all yearINF1
Solids, total suspendeddaily maximumreport 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 plantmonthly averagereport only (MGD)all yearINF1
Flow, in conduit or thru treatment plantdaily maximumreport 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]monthly averagereport only (mg/L)all yearINF1
BOD, carbonaceous [5 day, 20 C]daily maximumreport 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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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/TN0062308 · MCP: https://passage-data.com/mcp