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City of Dresden

Sewage treatment plant, Dresden, Tennessee. NPDES permit TN0021717, in force until Apr 30, 2030. Last 12 months: over a limit once (last June 2026), 2 of 24 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)
Last report on file
September 2026
Oct 2024 – Sep 2025
3 values over a limit, 0 required values missing, 0 of 17 reports late

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

Period endingParameterReportedLimitOver by
June 2026BOD, 5-day, percent removal, monthly average minimum62.4 %≥ 65 %7%

Limits in force (31)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]instantaneous minimum≥ 1 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year001
BOD, 5-day, 20 deg. Cweekly average≤ 40 mg/Lall year001
BOD, 5-day, 20 deg. Cdaily maximum≤ 45 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 42 lb/dall year001
BOD, 5-day, 20 deg. Cdaily maximum≤ 62 lb/dall year001
BOD, 5-day, 20 deg. Cweekly average≤ 55 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≤ 138 lb/dall year001
Solids, total suspendeddaily maximum≤ 166 lb/dall year001
Solids, total suspendedweekly average≤ 152 lb/dall 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 (lb/d)all year001
Nitrogen, total [as N]rolling average≤ 2519 lb/yrall 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]rolling average≤ 256 lb/yrall year001
Chlorine, total residualdaily maximum≤ 2 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, 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.

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/TN0021717 · MCP: https://passage-data.com/mcp