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Town of Ashland City

Sewage treatment plant, major discharger, Ashland City, Tennessee. NPDES permit TN0082252, in force until May 31, 2030. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 001 form G monthly (74 values), outfall INF1 form G monthly (12 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
2 values over a limit, 0 required values missing, 0 of 8 reports late

Limits in force (86)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]instantaneous minimum≥ 1 mg/Lall year001
Oxygen, dissolved [DO]instantaneous minimum≥ 1 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 15 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 15 mg/Lall year001
BOD, 5-day, 20 deg. Cweekly average≤ 22.5 mg/Lall year001
BOD, 5-day, 20 deg. Cweekly average≤ 22.5 mg/Lall year001
BOD, 5-day, 20 deg. Cdaily maximum≤ 30 mg/Lall year001
BOD, 5-day, 20 deg. Cdaily maximum≤ 30 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 250 lb/dall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 250 lb/dall year001
BOD, 5-day, 20 deg. Cdaily maximum≤ 500.4 lb/dall year001
BOD, 5-day, 20 deg. Cdaily maximum≤ 500.4 lb/dall year001
BOD, 5-day, 20 deg. Cweekly average≤ 375.3 lb/dall year001
BOD, 5-day, 20 deg. Cweekly average≤ 375.3 lb/dall year001
pHminimum≥ 6 SUall year001
pHminimum≥ 6 SUall year001
pHmaximum≤ 9 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 15 mg/Lall year001
Solids, total suspendedmonthly average≤ 15 mg/Lall year001
Solids, total suspendedweekly average≤ 22.5 mg/Lall year001
Solids, total suspendedweekly average≤ 22.5 mg/Lall year001
Solids, total suspendeddaily maximum≤ 30 mg/Lall year001
Solids, total suspendeddaily maximum≤ 30 mg/Lall year001
Solids, total suspendedmonthly average≤ 250 lb/dall year001
Solids, total suspendedmonthly average≤ 250 lb/dall year001
Solids, total suspendeddaily maximum≤ 500.4 lb/dall year001
Solids, total suspendeddaily maximum≤ 500.4 lb/dall year001
Solids, total suspendedweekly average≤ 375.3 lb/dall year001
Solids, total suspendedweekly average≤ 375.3 lb/dall year001
Solids, settleabledaily maximum≤ 1 mL/Lall 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 (mg/L)all year001
Nitrogen, total [as N]daily maximumreport only (lb/d)all year001
Nitrogen, total [as N]daily maximumreport only (lb/d)all year001
Nitrogen, total [as N]rolling average≤ 48706 lb/dall year001
Nitrogen, total [as N]rolling average≤ 48706 lb/dall year001
Nitrogen, ammonia total [as N]monthly average≤ 5.3 mg/Lall year001
Nitrogen, ammonia total [as N]monthly average≤ 5.3 mg/Lall year001
Nitrogen, ammonia total [as N]weekly average≤ 7.95 mg/Lall year001
Nitrogen, ammonia total [as N]weekly average≤ 7.95 mg/Lall year001
Nitrogen, ammonia total [as N]daily maximum≤ 10.6 mg/Lall year001
Nitrogen, ammonia total [as N]daily maximum≤ 10.6 mg/Lall year001
Nitrogen, ammonia total [as N]monthly average≤ 88.4 lb/dall year001
Nitrogen, ammonia total [as N]monthly average≤ 88.4 lb/dall year001
Nitrogen, ammonia total [as N]daily maximum≤ 176.8 lb/dall year001
Nitrogen, ammonia total [as N]daily maximum≤ 176.8 lb/dall year001
Nitrogen, ammonia total [as N]weekly average≤ 132.6 lb/dall year001
Nitrogen, ammonia total [as N]weekly average≤ 132.6 lb/dall year001
Phosphorus, total [as P]daily maximumreport only (mg/L)all year001
Phosphorus, total [as P]daily maximumreport only (mg/L)all year001
Phosphorus, total [as P]daily maximumreport only (lb/d)all year001
Phosphorus, total [as P]daily maximumreport only (lb/d)all year001
Phosphorus, total [as P]rolling average≤ 6088 lb/yrall year001
Phosphorus, total [as P]rolling average≤ 6088 lb/yrall year001
Chlorine, total residualdaily maximum≤ 2 mg/Lall year001
Chlorine, total residualdaily maximum≤ 2 mg/Lall year001
E. colimonthly geometric mean≤ 126 MPN/100mLall year001
E. colimonthly geometric mean≤ 126 MPN/100mLall year001
E. colidaily maximum≤ 410 MPN/100mLall year001
E. colidaily maximum≤ 410 MPN/100mLall year001
BOD, 5-day, percent removaldaily minimum≥ 40 %all year001
BOD, 5-day, percent removaldaily minimum≥ 40 %all year001
BOD, 5-day, percent removalmonthly average minimum≥ 85 %all year001
BOD, 5-day, percent removalmonthly average minimum≥ 85 %all year001
Solids, suspended percent removaldaily minimum≥ 40 %all year001
Solids, suspended percent removaldaily minimum≥ 40 %all year001
Solids, suspended percent removalmonthly average minimum≥ 85 %all year001
Solids, suspended percent removalmonthly average minimum≥ 85 %all year001
LC50 Static 48Hr Acute Ceriodaphnia dubiaminimum≥ .97 %all year001
LC50 Static 48Hr Acute Ceriodaphnia dubiaminimum≥ .97 %all year001
LC50 Static 48Hr Acute Pimephales promelasminimum≥ .97 %all year001
LC50 Static 48Hr Acute Pimephales promelasminimum≥ .97 %all year001
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all yearINF1
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all yearINF1
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all yearINF1
BOD, 5-day, 20 deg. Cdaily maximumreport 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
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

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/TN0082252 · MCP: https://passage-data.com/mcp