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Town of Huntingdon

Sewage treatment plant, Huntingdon, Tennessee. NPDES permit TN0026174, in force until Jan 31, 2030. Last 12 months: over a limit once (last July 2026), 6 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 (4 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
1 value over a limit, 4 required values missing, 3 of 20 reports late

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

Period endingParameterReportedLimit
July 2026SSO, Dry Weather, monthly total1 occur/mo≤ 0 occur/mo

Limits in force (43)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]minimum≥ 1 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≤ 250 lb/dall year001
Solids, total suspendeddaily maximum≤ 300 lb/dall year001
Solids, total suspendedweekly average≤ 275 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 averagereport only (mg/L)Jan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 10 mg/LMay–Oct001
Nitrogen, ammonia total [as N]weekly averagereport only (mg/L)Jan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]weekly average≤ 15 mg/LMay–Oct001
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)Jan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 20 mg/LMay–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 25 lb/dMay–Oct001
Nitrogen, ammonia total [as N]daily maximum≤ 50 lb/dMay–Oct001
Nitrogen, ammonia total [as N]weekly average≤ 38 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 residualdaily maximum≤ .7 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≤ 100 lb/dall year001
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 150 lb/dall year001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 113 lb/dall year001
BOD, carbonaceous, percent removalmonthly average minimum≥ 65 %all year001
IC25 Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubiaminimum> 2.8 %all year001
IC25 Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelasminimum> 2.8 %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/TN0026174 · MCP: https://passage-data.com/mcp