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Town of Toone

Sewage treatment plant, Toone, Tennessee. NPDES permit TN0064025, in force until Oct 31, 2029. Last 12 months: over a limit 10 times (last September 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 001 form G monthly (35 values), outfall INF1 form G monthly (4 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
2 values over a limit, 0 required values missing, 1 of 23 reports late

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

Period endingParameterReportedLimitOver by
November 2025Nitrogen, ammonia total [as N], monthly average16.6 mg/L≤ 15 mg/L11%
November 2025Nitrogen, ammonia total [as N], monthly average4.31 lb/d≤ 4 lb/d8%
March 2026E. coli, monthly geometric mean205 #/100mL≤ 126 #/100mL63%
July 2026E. coli, daily maximum2420 #/100mL≤ 410 #/100mL490%
July 2026E. coli, monthly geometric mean2420 #/100mL≤ 126 #/100mL1821%
September 2026E. coli, monthly geometric mean242 #/100mL≤ 126 #/100mL92%
September 2026Nitrogen, ammonia total [as N], monthly average10.6 mg/L≤ 7 mg/L51%
September 2026Nitrogen, ammonia total [as N], monthly average3.36 lb/d≤ 2 lb/d68%
September 2026Nitrogen, ammonia total [as N], weekly average10.6 mg/L≤ 10 mg/L6%
September 2026Nitrogen, ammonia total [as N], weekly average3.36 lb/d≤ 3 lb/d12%

Limits in force (45)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]monthly average minimum≥ 6 mg/Lall year001
pHminimum≥ 6 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 100 mg/Lall year001
Solids, total suspendedweekly average≤ 110 mg/Lall year001
Solids, total suspendeddaily maximum≤ 120 mg/Lall year001
Solids, total suspendedmonthly average≤ 25 lb/dall year001
Solids, total suspendeddaily maximum≤ 30 lb/dall year001
Solids, total suspendedweekly average≤ 28 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]daily maximumreport only (lb/d)all year001
Nitrogen, ammonia total [as N]monthly average≤ 15 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 7 mg/LMay–Oct001
Nitrogen, ammonia total [as N]weekly average≤ 20 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]weekly average≤ 10 mg/LMay–Oct001
Nitrogen, ammonia total [as N]daily maximum≤ 25 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 15 mg/LMay–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 4 lb/dJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 2 lb/dMay–Oct001
Nitrogen, ammonia total [as N]daily maximum≤ 6 lb/dJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 4 lb/dMay–Oct001
Nitrogen, ammonia total [as N]weekly average≤ 5 lb/dJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]weekly average≤ 3 lb/dMay–Oct001
Phosphorus, total [as P]daily maximumreport only (mg/L)all year001
Phosphorus, total [as P]daily maximumreport only (lb/d)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
Chlorine, total residualmonthly average≤ .1 mg/Lall year001
Chlorine, total residualdaily maximum≤ .17 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≤ 40 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 45 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 60 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 10 lb/dall year001
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 15 lb/dall year001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 11 lb/dall year001
BOD, carbonaceous, percent removalmonthly average minimum≥ 65 %all year001
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/TN0064025 · MCP: https://passage-data.com/mcp