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City of Murfreesboro

Sewage treatment plant, major discharger, Murfreesboro, Tennessee. NPDES permit TN0022586, in force until Jun 30, 2027. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 001 form G monthly (42 values), outfall 01T form B monthly (24 values), outfall INF1 form G monthly (6 values)
Renewal application due
Jan 1, 2027 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
2 values over a limit, 0 required values missing, 0 of 36 reports late

Limits in force (84)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]instantaneous minimum≥ 6 mg/Lall year001
pHdaily minimum≥ 6 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 24 mg/Lall year001
Solids, total suspendedweekly average≤ 32 mg/Lall year001
Solids, total suspendeddaily maximum≤ 36 mg/Lall year001
Solids, total suspendedmonthly average≤ 4003 lb/dall year001
Solids, total suspendedweekly average≤ 5338 lb/dall year001
Solids, settleabledaily maximum≤ 1 mL/Lall year001
Nitrogen, total [as N]daily maximumreport only (mg/L)all year001
Nitrogen, total [as N]monthly averagereport only (lb/d)all year001
Nitrogen, total [as N]daily maximumreport only (lb/d)all year001
Nitrogen, total [as N]monthly average≤ 9 mg/L (alert, not enforceable)all year001
Nitrogen, total [as N]annual average≤ 1201 lb/d (alert, not enforceable)all year001
Nitrogen, ammonia total [as N]monthly average≤ .5 mg/LMay–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 1.2 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]weekly average≤ 1.2 mg/LMay–Oct001
Nitrogen, ammonia total [as N]weekly average≤ 2.6 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 1.6 mg/LMay–Oct001
Nitrogen, ammonia total [as N]daily maximum≤ 3.5 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 83 lb/dMay–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 200 lb/dJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]weekly average≤ 200 lb/dMay–Oct001
Nitrogen, ammonia total [as N]weekly average≤ 440 lb/dJan, Feb, Mar, Apr, Nov, Dec001
Phosphorus, total [as P]monthly averagereport only (mg/L)all year001
Phosphorus, total [as P]daily maximumreport only (mg/L)all year001
Phosphorus, total [as P]monthly averagereport only (lb/d)all year001
Phosphorus, total [as P]daily maximumreport only (lb/d)all year001
Phosphorus, total [as P]annual average≤ 307 lb/d (alert, not enforceable)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
E. colimonthly geometric mean≤ 126 #/100mLall year001
E. colidaily maximum≤ 941 #/100mLall year001
UV Light Workingvaluereport only (pass=0;fail=1) (alert, not enforceable)all 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≤ 4 mg/LMay–Oct001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 8 mg/LJan, Feb, Mar, Apr, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 6 mg/LMay–Oct001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 12 mg/LJan, Feb, Mar, Apr, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 8 mg/LMay–Oct001
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 16 mg/LJan, Feb, Mar, Apr, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 667 lb/dMay–Oct001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 1334 lb/dJan, Feb, Mar, Apr, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 1001 lb/dMay–Oct001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 2002 lb/dJan, Feb, Mar, Apr, Nov, Dec001
BOD, carbonaceous, percent removaldaily minimum≥ 40 %all year001
BOD, carbonaceous, percent removalmonthly average minimum≥ 85 %all year001
Solids, suspended percent removaldaily minimum≥ 40 %all year001
Solids, suspended percent removalmonthly average minimum≥ 85 %all year001
IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubiaminimum≥ 98 %May–Oct001
IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubiaminimum≥ 77 %Jan, Feb, Mar, Apr, Nov, Dec001
IC25 Static Renewal 7 Day Chronic Pimephalesminimum≥ 98 %May–Oct001
IC25 Static Renewal 7 Day Chronic Pimephalesminimum≥ 77 %Jan, Feb, Mar, Apr, Nov, Dec001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year01T
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year01T
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year01T
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year01T
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year01T
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year01T
Chlorine, total residualdaily minimum≥ 1 mg/Lall year01T
Chlorine, total residualdaily minimum≥ 1 mg/Lall year01T
Chlorine, total residualdaily minimum≥ 1 mg/Lall year01T
Chlorine, total residualminimum average≥ 1 mg/Lall year01T
Chlorine, total residualminimum average≥ 1 mg/Lall year01T
Chlorine, total residualminimum average≥ 1 mg/Lall year01T
Chlorine, total residualminimum average≥ 1 mg/Lall year01T
Chlorine, total residualminimum average≥ 1 mg/Lall year01T
Chlorine, total residualminimum average≥ 1 mg/Lall year01T
E. colidaily maximum≤ 23 #/100mLall year01T
E. colidaily maximum≤ 23 #/100mLall year01T
E. colidaily maximum≤ 23 #/100mLall year01T
E. colidaily maximum≤ 23 #/100mLall year01T
E. colidaily maximum≤ 23 #/100mLall year01T
E. colidaily maximum≤ 23 #/100mLall year01T
E. colidaily maximum≤ 23 #/100mLall year01T
E. colidaily maximum≤ 23 #/100mLall year01T
E. colidaily maximum≤ 23 #/100mLall year01T
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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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/TN0022586 · MCP: https://passage-data.com/mcp