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Northeast Tennessee Regional Recovery Center (NETRRC)

Sewage treatment plant, Roan Mountain, Tennessee. NPDES permit TN0061531, in force until Aug 31, 2031. Last 12 months: over a limit 22 times (last September 2026), 3 of 12 reports late. Source: EPA ECHO, Oct 22, 2026.

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

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

All 22 values over a limit
Period endingParameterReportedLimitOver by
October 2025E. coli, daily maximum> 2420 #/100mL≤ 487 #/100mL—
October 2025Nitrogen, ammonia total [as N], daily maximum10.3 mg/L≤ 10 mg/L3%
October 2025pH, daily minimum4.3 SU≥ 6 SU—
November 2025E. coli, daily maximum1120 #/100mL≤ 487 #/100mL130%
November 2025Nitrogen, ammonia total [as N], daily maximum12 mg/L≤ 10 mg/L20%
November 2025Nitrogen, ammonia total [as N], monthly average6.165 mg/L≤ 5 mg/L23%
December 2025pH, daily minimum< 5.6 SU≥ 6 SU—
January 2026E. coli, daily maximum> 2420 #/100mL≤ 487 #/100mL—
January 2026E. coli, monthly average153.96 #/100mL≤ 126 #/100mL22%
January 2026pH, daily maximum9.8 SU≤ 9 SU—
February 2026E. coli, daily maximum> 2420 #/100mL≤ 487 #/100mL—
February 2026Oxygen, dissolved [DO], daily minimum5.8 mg/L≥ 6 mg/L3%
March 2026E. coli, daily maximum2420 #/100mL≤ 487 #/100mL397%
May 2026pH, daily minimum5.3 SU≥ 6 SU—
June 2026BOD, 5-day, 20 deg. C, daily maximum46 mg/L≤ 20 mg/L130%
June 2026BOD, 5-day, 20 deg. C, monthly average< 14.2 mg/L≤ 10 mg/L42%
June 2026E. coli, daily maximum649 #/100mL≤ 487 #/100mL33%
June 2026Nitrogen, ammonia total [as N], daily maximum13.8 mg/L≤ 10 mg/L38%
June 2026Oxygen, dissolved [DO], daily minimum5.9 mg/L≥ 6 mg/L2%
June 2026pH, daily minimum5.5 SU≥ 6 SU—
August 2026pH, daily minimum5.5 SU≥ 6 SU—
September 2026pH, daily minimum3.5 SU≥ 6 SU—

Limits in force (15)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]daily minimum≥ 6 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 10 mg/Lall year
BOD, 5-day, 20 deg. Cdaily maximum≤ 20 mg/Lall year
pHdaily minimum≥ 6 SUall year
pHdaily maximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendeddaily maximum≤ 45 mg/Lall year
Solids, settleabledaily maximum≤ 1 mL/Lall year
Nitrogen, ammonia total [as N]monthly average≤ 5 mg/Lall year
Nitrogen, ammonia total [as N]daily maximum≤ 10 mg/Lall year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Chlorine, total residualdaily maximum≤ .82 mg/Lall year
E. colimonthly average≤ 126 #/100mLall year
E. colidaily maximum≤ 410 #/100mLall year

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/TN0061531 · MCP: https://passage-data.com/mcp