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Town of Cumberland Gap

Sewage treatment plant, Cumberland Gap, Tennessee. NPDES permit TN0060747, in force until Jul 31, 2029. Last 12 months: over a limit 11 times (last September 2026), 1 of 24 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 001 form G monthly (35 values), outfall INF1 form G monthly (6 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 4 of 24 reports late

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

Period endingParameterReportedLimitOver by
June 2026E. coli, daily maximum> 2419 #/100mL≤ 410 #/100mL—
June 2026E. coli, monthly geometric mean> 1094 #/100mL≤ 126 #/100mL—
June 2026Nitrogen, ammonia total [as N], daily maximum3.5 mg/L≤ 2 mg/L75%
June 2026Nitrogen, ammonia total [as N], monthly average1.4 mg/L≤ 1 mg/L40%
June 2026Nitrogen, ammonia total [as N], weekly average3.5 mg/L≤ 1.5 mg/L133%
July 2026E. coli, daily maximum> 2419.6 #/100mL≤ 410 #/100mL—
July 2026E. coli, monthly geometric mean354.8 #/100mL≤ 126 #/100mL182%
August 2026E. coli, daily maximum1553.1 #/100mL≤ 410 #/100mL279%
August 2026E. coli, monthly geometric mean128 #/100mL≤ 126 #/100mL2%
September 2026E. coli, daily maximum2419.6 #/100mL≤ 410 #/100mL490%
September 2026E. coli, monthly geometric mean558.4 #/100mL≤ 126 #/100mL343%

Limits in force (51)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]instantaneous minimum≥ 6 mg/Lall year001
pHminimum≥ 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≤ 25 lb/dall year001
Solids, total suspendedweekly average≤ 33 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≤ 1 mg/LMay–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 1.3 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]weekly average≤ 1.5 mg/LMay–Oct001
Nitrogen, ammonia total [as N]weekly average≤ 2 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 2 mg/LMay–Oct001
Nitrogen, ammonia total [as N]daily maximum≤ 2.6 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ .8 lb/dMay–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 1.1 lb/dJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]weekly average≤ 1.3 lb/dMay–Oct001
Nitrogen, ammonia total [as N]weekly average≤ 1.7 lb/dJan, Feb, Mar, Apr, Nov, Dec001
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 residualmonthly average≤ .01 mg/Lall year001
Chlorine, total residualdaily maximum≤ .02 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≤ 18 mg/LMay–Oct001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/LJan, Feb, Mar, Apr, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 26 mg/LMay–Oct001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 35 mg/LJan, Feb, Mar, Apr, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 35 mg/LMay–Oct001
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 40 mg/LJan, Feb, Mar, Apr, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 15 lb/dMay–Oct001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 21 lb/dJan, Feb, Mar, Apr, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 22 lb/dMay–Oct001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 29 lb/dJan, Feb, Mar, Apr, Nov, Dec001
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
Solids, total suspendedmonthly averagereport 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 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]daily maximumreport only (mg/L)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/TN0060747 · MCP: https://passage-data.com/mcp