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City of Linden

Sewage treatment plant, Linden, Tennessee. NPDES permit TN0064394, in force until Sep 30, 2028. Last 12 months: over a limit 10 times (last August 2026), 93 required values missing, 12 of 22 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 001 form G monthly (28 values), outfall INF1 form G monthly (3 values)
Renewal application due
Apr 3, 2028 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
5 values over a limit, 124 required values missing, 18 of 24 reports late

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

Period endingParameterReportedLimitOver by
February 2026BOD, 5-day, 20 deg. C, daily maximum73.34 mg/L≤ 65 mg/L13%
February 2026BOD, 5-day, 20 deg. C, daily maximum73.34 mg/L≤ 65 mg/L13%
February 2026BOD, 5-day, 20 deg. C, monthly average51.54 mg/L≤ 45 mg/L15%
February 2026BOD, 5-day, 20 deg. C, monthly average51.54 mg/L≤ 45 mg/L15%
February 2026BOD, 5-day, 20 deg. C, weekly average73.3 mg/L≤ 50 mg/L47%
February 2026BOD, 5-day, 20 deg. C, weekly average73.3 mg/L≤ 50 mg/L47%
July 2026BOD, 5-day, 20 deg. C, monthly average51.59 mg/L≤ 45 mg/L15%
July 2026BOD, 5-day, 20 deg. C, weekly average51.59 mg/L≤ 50 mg/L3%
August 2026BOD, 5-day, 20 deg. C, daily maximum68.62 mg/L≤ 65 mg/L6%
August 2026Solids, total suspended, daily maximum208.1 mg/L≤ 120 mg/L73%

Limits in force (31)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]instantaneous minimum≥ 1 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 45 mg/Lall year001
BOD, 5-day, 20 deg. Cweekly average≤ 50 mg/Lall year001
BOD, 5-day, 20 deg. Cdaily maximum≤ 65 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 122 lb/dall year001
BOD, 5-day, 20 deg. Cweekly average≤ 135 lb/dall year001
BOD, 5-day, 20 deg. Cdaily maximum≤ 176 lb/dall 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≤ 270 lb/dall year001
Solids, total suspendedweekly average≤ 297 lb/dall year001
Solids, total suspendeddaily maximum≤ 324 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
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≤ 2 mg/Lall year001
E. colimonthly geometric mean≤ 126 #/100mLall year001
E. colidaily maximum≤ 487 #/100mLall year001
SSO, Dry Weathermonthly total≤ 0 occur/moall year001
SSO, Wet Weathermonthly total≤ 0 occur/moall year001
BOD, 5-day, percent removalmonthly average minimum≥ 65 %all year001
BOD, 5-day, 20 deg. Cmonthly averagereport 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

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/TN0064394 · MCP: https://passage-data.com/mcp