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City of Elizabethton

Sewage treatment plant, major discharger, Elizabethton, Tennessee. NPDES permit TN0023515, in force until Aug 31, 2031. Last 12 months: over a limit 2 times (last September 2026), 5 required values missing, 2 of 24 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 16 days after each period: outfall 001 form G monthly (38 values), outfall INF1 form G monthly (18 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
8 values over a limit, 1 required value missing, 2 of 24 reports late

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

Period endingParameterReportedLimitOver by
July 2026SSO, Wet Weather, monthly total1 occur/mo≤ 0 occur/mo—
September 2026E. coli, daily maximum1300 #/100mL≤ 410 #/100mL217%

Limits in force (56)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]instantaneous minimum≥ 1 mg/Lall year001
pHdaily minimum≥ 6 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 30 mg/Lall year001
Solids, total suspendedweekly average≤ 40 mg/Lall year001
Solids, total suspendeddaily maximum≤ 45 mg/Lall year001
Solids, total suspendedmonthly average≤ 876 lb/dall year001
Solids, total suspendedweekly average≤ 1168 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≤ 10 mg/Lall year001
Nitrogen, ammonia total [as N]weekly average≤ 15 mg/Lall year001
Nitrogen, ammonia total [as N]daily maximum≤ 20 mg/Lall year001
Nitrogen, ammonia total [as N]monthly average≤ 292 lb/dall year001
Nitrogen, ammonia total [as N]weekly average≤ 438 lb/dall year001
Phosphorus, total [as P]daily maximumreport only (mg/L)all year001
Phosphorus, total [as P]daily maximumreport only (lb/d)all year001
Cyanide, total [as CN]monthly average≤ .00988 mg/Lall 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≤ .3 mg/Lall year001
Chlorine, total residualdaily maximum≤ .6 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≤ 25 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 35 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 40 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 730 lb/dall year001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 1021 lb/dall year001
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 Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubiaminimum> 3.3 %all year001
IC25 Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelasminimum> 3.3 %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
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/TN0023515 · MCP: https://passage-data.com/mcp