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City of Sparta

Sewage treatment plant, major discharger, Sparta, Tennessee. NPDES permit TN0061166, in force until Sep 30, 2027. Last 12 months: over a limit 9 times (last July 2026), 4 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 001 form G monthly (111 values), outfall INF1 form G monthly (24 values)
Renewal application due
Apr 3, 2027 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
4 values over a limit, 0 required values missing, 0 of 24 reports late

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

Period endingParameterReportedLimit
January 2026SSO, Dry Weather, monthly total2 occur/mo≤ 0 occur/mo
January 2026SSO, Wet Weather, monthly total1 occur/mo≤ 0 occur/mo
March 2026SSO, Dry Weather, monthly total1 occur/mo≤ 0 occur/mo
April 2026SSO, Dry Weather, monthly total1 occur/mo≤ 0 occur/mo
May 2026SSO, Dry Weather, monthly total1 occur/mo≤ 0 occur/mo
May 2026SSO, Wet Weather, monthly total1 occur/mo≤ 0 occur/mo
June 2026SSO, Dry Weather, monthly total1 occur/mo≤ 0 occur/mo
July 2026SSO, Dry Weather, monthly total2 occur/mo≤ 0 occur/mo
July 2026SSO, Wet Weather, monthly total1 occur/mo≤ 0 occur/mo

Limits in force (150)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]instantaneous minimum≥ 3 mg/Lall year001
Oxygen, dissolved [DO]instantaneous minimum≥ 3 mg/Lall year001
Oxygen, dissolved [DO]instantaneous minimum≥ 3 mg/Lall year001
pHminimum≥ 6 SUall year001
pHminimum≥ 6 SUall year001
pHminimum≥ 6 SUall year001
pHmaximum≤ 9 SUall year001
pHmaximum≤ 9 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 18 mg/Lall year001
Solids, total suspendedmonthly average≤ 18 mg/Lall year001
Solids, total suspendedmonthly average≤ 18 mg/Lall year001
Solids, total suspendedweekly average≤ 24 mg/Lall year001
Solids, total suspendedweekly average≤ 24 mg/Lall year001
Solids, total suspendedweekly average≤ 24 mg/Lall year001
Solids, total suspendeddaily maximum≤ 27 mg/Lall year001
Solids, total suspendeddaily maximum≤ 27 mg/Lall year001
Solids, total suspendeddaily maximum≤ 27 mg/Lall year001
Solids, total suspendedmonthly average≤ 236 lb/dall year001
Solids, total suspendedmonthly average≤ 236 lb/dall year001
Solids, total suspendedmonthly average≤ 236 lb/dall year001
Solids, total suspendedweekly average≤ 315 lb/dall year001
Solids, total suspendedweekly average≤ 315 lb/dall year001
Solids, total suspendedweekly average≤ 315 lb/dall year001
Solids, settleabledaily maximum≤ 1 mL/Lall year001
Solids, settleabledaily maximum≤ 1 mL/Lall 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 (mg/L)all 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]monthly averagereport only (lb/d)all year001
Nitrogen, total [as N]monthly averagereport only (lb/d)all year001
Nitrogen, ammonia total [as N]monthly average≤ 2.46 mg/LMay–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 2.46 mg/LMay–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 2.46 mg/LMay–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 4.76 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 4.76 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 4.76 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]weekly average≤ 3.69 mg/LMay–Oct001
Nitrogen, ammonia total [as N]weekly average≤ 3.69 mg/LMay–Oct001
Nitrogen, ammonia total [as N]weekly average≤ 3.69 mg/LMay–Oct001
Nitrogen, ammonia total [as N]weekly average≤ 7.14 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]weekly average≤ 7.14 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]weekly average≤ 7.14 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 4.92 mg/LMay–Oct001
Nitrogen, ammonia total [as N]daily maximum≤ 4.92 mg/LMay–Oct001
Nitrogen, ammonia total [as N]daily maximum≤ 4.92 mg/LMay–Oct001
Nitrogen, ammonia total [as N]daily maximum≤ 9.52 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 9.52 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 9.52 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 32 lb/dMay–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 32 lb/dMay–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 32 lb/dMay–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 63 lb/dJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 63 lb/dJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 63 lb/dJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]weekly average≤ 49 lb/dMay–Oct001
Nitrogen, ammonia total [as N]weekly average≤ 49 lb/dMay–Oct001
Nitrogen, ammonia total [as N]weekly average≤ 49 lb/dMay–Oct001
Nitrogen, ammonia total [as N]weekly average≤ 95 lb/dJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]weekly average≤ 95 lb/dJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]weekly average≤ 95 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 (mg/L)all year001
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]monthly averagereport only (lb/d)all year001
Phosphorus, total [as P]monthly averagereport only (lb/d)all year001
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 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
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Chlorine, total residualdaily maximum≤ .1 mg/Lall year001
Chlorine, total residualdaily maximum≤ .1 mg/Lall year001
Chlorine, total residualdaily maximum≤ .1 mg/Lall year001
E. colimonthly geometric mean≤ 126 #/100mLall year001
E. colimonthly geometric mean≤ 126 #/100mLall year001
E. colimonthly geometric mean≤ 126 #/100mLall year001
E. colidaily maximum≤ 487 #/100mLall year001
E. colidaily maximum≤ 487 #/100mLall year001
E. colidaily maximum≤ 487 #/100mLall year001
UV Light Workingmonthly averagereport only (pass=0;fail=1)all year001
UV Light Workingmonthly averagereport only (pass=0;fail=1)all year001
UV Light Workingmonthly averagereport only (pass=0;fail=1)all year001
SSO, Dry Weathermonthly total≤ 0 occur/moall 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
SSO, Wet Weathermonthly total≤ 0 occur/moall year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 15 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 15 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 15 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 21 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 21 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 21 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 30 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 30 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 30 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 197 lb/dall year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 197 lb/dall year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 197 lb/dall year001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 276 lb/dall year001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 276 lb/dall year001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 276 lb/dall year001
BOD, carbonaceous, percent removaldaily minimum≥ 40 %all year001
BOD, carbonaceous, percent removaldaily minimum≥ 40 %all year001
BOD, carbonaceous, percent removaldaily minimum≥ 40 %all year001
BOD, carbonaceous, percent removalmonthly average minimum≥ 85 %all year001
BOD, carbonaceous, percent removalmonthly average minimum≥ 85 %all year001
BOD, carbonaceous, percent removalmonthly average minimum≥ 85 %all year001
Solids, suspended percent removaldaily minimum≥ 40 %all year001
Solids, suspended percent removaldaily minimum≥ 40 %all year001
Solids, suspended percent removaldaily minimum≥ 40 %all year001
Solids, suspended percent removalmonthly average minimum≥ 85 %all year001
Solids, suspended percent removalmonthly average minimum≥ 85 %all year001
Solids, suspended percent removalmonthly average minimum≥ 85 %all year001
IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubiaminimum> 19.5 %all year001
IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubiaminimum> 19.5 %all year001
IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubiaminimum> 19.5 %all year001
IC25 Static Renewal 7 Day Chronic Pimephalesminimum> 19.5 %all year001
IC25 Static Renewal 7 Day Chronic Pimephalesminimum> 19.5 %all year001
IC25 Static Renewal 7 Day Chronic Pimephalesminimum> 19.5 %all year001
Solids, total suspendedmonthly averagereport only (mg/L)all yearINF1
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
Solids, total suspendeddaily maximumreport only (mg/L)all yearINF1
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all yearINF1
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all yearINF1
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all yearINF1
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all yearINF1
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all yearINF1
Nitrogen, ammonia total [as N]daily 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 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
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]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
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.

Check this month's numbers Email me before each report is due

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/TN0061166 · MCP: https://passage-data.com/mcp