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Town of Kingston Springs

Sewage treatment plant, Kingston Springs, Tennessee. NPDES permit TN0059790, in force until May 31, 2031. Last 12 months: over a limit 19 times (last August 2026), 4 required values missing, 1 of 14 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 (8 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
15 values over a limit, 1 required value missing, 1 of 12 reports late

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

All 19 values over a limit
Period endingParameterReportedLimitOver by
November 2025BOD, 5-day, 20 deg. C, monthly average minimum54.9 %≥ 65 %16%
November 2025BOD, 5-day, 20 deg. C, weekly average57.5 mg/L≤ 50 mg/L15%
December 2025BOD, 5-day, 20 deg. C, daily maximum90.8 mg/L≤ 65 mg/L40%
December 2025BOD, 5-day, 20 deg. C, monthly average minimum34 %≥ 65 %48%
December 2025BOD, 5-day, 20 deg. C, monthly average50.2 mg/L≤ 45 mg/L12%
December 2025BOD, 5-day, 20 deg. C, weekly average126.5 lb/d≤ 104 lb/d22%
December 2025BOD, 5-day, 20 deg. C, weekly average90.8 mg/L≤ 50 mg/L82%
January 2026BOD, 5-day, 20 deg. C, daily maximum303.9 lb/d≤ 136 lb/d123%
January 2026BOD, 5-day, 20 deg. C, monthly average minimum60.6 %≥ 65 %7%
January 2026BOD, 5-day, 20 deg. C, weekly average303.9 lb/d≤ 104 lb/d192%
February 2026BOD, 5-day, 20 deg. C, monthly average minimum49 %≥ 65 %25%
March 2026BOD, 5-day, 20 deg. C, monthly average minimum57 %≥ 65 %12%
April 2026BOD, 5-day, 20 deg. C, monthly average minimum-346.5 %≥ 65 %633%
April 2026BOD, 5-day, 20 deg. C, weekly average50.9 mg/L≤ 50 mg/L2%
July 2026BOD, 5-day, 20 deg. C, monthly average minimum44 %≥ 65 %32%
July 2026BOD, 5-day, 20 deg. C, weekly average63.5 mg/L≤ 50 mg/L27%
August 2026BOD, 5-day, 20 deg. C, daily maximum67.3 mg/L≤ 65 mg/L4%
August 2026BOD, 5-day, 20 deg. C, monthly average minimum57 %≥ 65 %12%
August 2026BOD, 5-day, 20 deg. C, weekly average67.3 mg/L≤ 50 mg/L35%

Limits in force (38)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]instantaneous minimum≥ 3 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≤ 94 lb/dall year001
BOD, 5-day, 20 deg. Cweekly average≤ 104 lb/dall year001
BOD, 5-day, 20 deg. Cdaily maximum≤ 136 lb/dall year001
BOD, 5-day, 20 deg. Cmonthly average minimum≥ 65 %all year001
pHdaily minimum≥ 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≤ 209 lb/dall year001
Solids, total suspendedweekly average≤ 229 lb/dall year001
Solids, total suspendeddaily maximum≤ 250 lb/dall year001
Solids, settleabledaily maximum≤ 1 mL/Lall year001
Nitrogen, total [as N]quarterly averagereport only (lb/d)Mar, Jun, Sep, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 40.4 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 22.7 mg/LMay–Oct001
Nitrogen, ammonia total [as N]daily maximum≤ 80.8 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 45.4 mg/LMay–Oct001
Phosphorus, total [as P]quarterly averagereport only (lb/d)Mar, Jun, Sep, Dec001
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≤ 1 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, 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
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

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