Passage Data · Check a report · Use it from your AI

City of McKenzie

Sewage treatment plant, major discharger, Mc Kenzie, Tennessee. NPDES permit TN0020613, in force until Feb 28, 2030. Last 12 months: over a limit 124 times (last September 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 001 form G monthly (41 values), outfall INF1 form G monthly (6 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
69 values over a limit, 0 required values missing, 0 of 12 reports late

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

All 124 values over a limit
Period endingParameterReportedLimitOver by
October 2025BOD, carbonaceous [5 day, 20 C], daily maximum30 mg/L≤ 20 mg/L50%
October 2025BOD, carbonaceous [5 day, 20 C], monthly average17 mg/L≤ 10 mg/L70%
October 2025BOD, carbonaceous [5 day, 20 C], weekly average27 mg/L≤ 15 mg/L80%
October 2025Chlorine, total residual, daily maximum.08 mg/L≤ .02 mg/L300%
October 2025E. coli, daily maximum1011 #/100mL≤ 941 #/100mL7%
October 2025E. coli, monthly geometric mean207.3 #/100mL≤ 126 #/100mL65%
October 2025Nitrogen, ammonia total [as N], daily maximum27.6 mg/L≤ 1.6 mg/L1625%
October 2025Nitrogen, ammonia total [as N], monthly average21.74 mg/L≤ .8 mg/L2618%
October 2025Nitrogen, ammonia total [as N], monthly average92.101 lb/d≤ 13.3 lb/d592%
October 2025Nitrogen, ammonia total [as N], weekly average101.42 lb/d≤ 20 lb/d407%
October 2025Nitrogen, ammonia total [as N], weekly average25.1 mg/L≤ 1.2 mg/L1992%
November 2025BOD, carbonaceous [5 day, 20 C], daily maximum36 mg/L≤ 25 mg/L44%
November 2025BOD, carbonaceous [5 day, 20 C], monthly average27 mg/L≤ 15 mg/L80%
November 2025BOD, carbonaceous [5 day, 20 C], weekly average35 mg/L≤ 20 mg/L75%
November 2025BOD, carbonaceous, percent removal, monthly average minimum78 %≥ 85 %47%
November 2025Chlorine, total residual, daily maximum.09 mg/L≤ .02 mg/L350%
November 2025E. coli, daily maximum2420 #/100mL≤ 941 #/100mL157%
November 2025IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubia, minimum18.301 %> 92 %80%
November 2025IC25 Static Renewal 7 Day Chronic Chrpimephales, minimum62.113 %> 92 %32%
November 2025Nitrogen, ammonia total [as N], daily maximum29.7 mg/L≤ 3.2 mg/L828%
November 2025Nitrogen, ammonia total [as N], monthly average23.4 mg/L≤ 1.6 mg/L1363%
November 2025Nitrogen, ammonia total [as N], monthly average94.1 lb/d≤ 26.7 lb/d252%
November 2025Nitrogen, ammonia total [as N], weekly average103.5 lb/d≤ 40 lb/d159%
November 2025Nitrogen, ammonia total [as N], weekly average26.6 mg/L≤ 2.4 mg/L1008%
November 2025Phosphorus, total [as P], rolling average8076.2031 lb/yr≤ 7665 lb/yr5%
December 2025BOD, carbonaceous [5 day, 20 C], daily maximum52 mg/L≤ 25 mg/L108%
December 2025BOD, carbonaceous [5 day, 20 C], monthly average39 mg/L≤ 15 mg/L160%
December 2025BOD, carbonaceous [5 day, 20 C], weekly average49 mg/L≤ 20 mg/L145%
December 2025BOD, carbonaceous, percent removal, monthly average minimum69 %≥ 85 %107%
December 2025Chlorine, total residual, daily maximum.34 mg/L≤ .02 mg/L1600%
December 2025Nitrogen, ammonia total [as N], daily maximum25.2 mg/L≤ 3.2 mg/L688%
December 2025Nitrogen, ammonia total [as N], monthly average21.5 mg/L≤ 1.6 mg/L1244%
December 2025Nitrogen, ammonia total [as N], monthly average87.7 lb/d≤ 26.7 lb/d228%
December 2025Nitrogen, ammonia total [as N], weekly average23.5 mg/L≤ 2.4 mg/L879%
December 2025Nitrogen, ammonia total [as N], weekly average99 lb/d≤ 40 lb/d148%
December 2025Phosphorus, total [as P], rolling average8249.303 lb/yr≤ 7665 lb/yr8%
January 2026BOD, carbonaceous [5 day, 20 C], daily maximum90 mg/L≤ 25 mg/L260%
January 2026BOD, carbonaceous [5 day, 20 C], monthly average274.8 lb/d≤ 250 lb/d10%
January 2026BOD, carbonaceous [5 day, 20 C], monthly average67 mg/L≤ 15 mg/L347%
January 2026BOD, carbonaceous [5 day, 20 C], weekly average351.4 lb/d≤ 334 lb/d5%
January 2026BOD, carbonaceous [5 day, 20 C], weekly average80 mg/L≤ 20 mg/L300%
January 2026BOD, carbonaceous, percent removal, daily minimum14 %≥ 40 %43%
January 2026BOD, carbonaceous, percent removal, monthly average minimum45 %≥ 85 %267%
January 2026Nitrogen, ammonia total [as N], daily maximum57 mg/L≤ 3.2 mg/L1681%
January 2026Nitrogen, ammonia total [as N], monthly average133 lb/d≤ 26.7 lb/d398%
January 2026Nitrogen, ammonia total [as N], monthly average32 mg/L≤ 1.6 mg/L1900%
January 2026Nitrogen, ammonia total [as N], weekly average177.9 lb/d≤ 40 lb/d345%
January 2026Nitrogen, ammonia total [as N], weekly average45.1 mg/L≤ 2.4 mg/L1779%
January 2026Phosphorus, total [as P], rolling average9070 lb/yr≤ 7665 lb/yr18%
February 2026BOD, carbonaceous [5 day, 20 C], daily maximum81 mg/L≤ 25 mg/L224%
February 2026BOD, carbonaceous [5 day, 20 C], monthly average46 mg/L≤ 15 mg/L207%
February 2026BOD, carbonaceous [5 day, 20 C], weekly average67 mg/L≤ 20 mg/L235%
February 2026BOD, carbonaceous, percent removal, daily minimum18 %≥ 40 %37%
February 2026BOD, carbonaceous, percent removal, monthly average minimum63 %≥ 85 %147%
February 2026Nitrogen, ammonia total [as N], daily maximum24 mg/L≤ 3.2 mg/L650%
February 2026Nitrogen, ammonia total [as N], monthly average20 mg/L≤ 1.6 mg/L1150%
February 2026Nitrogen, ammonia total [as N], monthly average97.5 lb/d≤ 26.7 lb/d265%
February 2026Nitrogen, ammonia total [as N], weekly average109.5 lb/d≤ 40 lb/d174%
February 2026Nitrogen, ammonia total [as N], weekly average23.2 mg/L≤ 2.4 mg/L867%
February 2026Phosphorus, total [as P], rolling average9250.7819 lb/yr≤ 7665 lb/yr21%
March 2026BOD, carbonaceous [5 day, 20 C], daily maximum81 mg/L≤ 25 mg/L224%
March 2026BOD, carbonaceous [5 day, 20 C], monthly average258.7 lb/d≤ 250 lb/d3%
March 2026BOD, carbonaceous [5 day, 20 C], monthly average72 mg/L≤ 15 mg/L380%
March 2026BOD, carbonaceous [5 day, 20 C], weekly average78.3 mg/L≤ 20 mg/L292%
March 2026BOD, carbonaceous, percent removal, daily minimum30 %≥ 40 %17%
March 2026BOD, carbonaceous, percent removal, monthly average minimum48 %≥ 85 %247%
March 2026Chlorine, total residual, daily maximum.1 mg/L≤ .02 mg/L400%
March 2026Chlorine, total residual, monthly average< .03 mg/L≤ .01 mg/L200%
March 2026IC25 Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia, minimum23.81 %> 92 %74%
March 2026IC25 Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas, minimum75.81 %> 92 %18%
March 2026Nitrogen, ammonia total [as N], daily maximum56.6 mg/L≤ 3.2 mg/L1669%
March 2026Nitrogen, ammonia total [as N], monthly average115.3 lb/d≤ 26.7 lb/d332%
March 2026Nitrogen, ammonia total [as N], monthly average31.3 mg/L≤ 1.6 mg/L1856%
March 2026Nitrogen, ammonia total [as N], weekly average139.7 lb/d≤ 40 lb/d249%
March 2026Nitrogen, ammonia total [as N], weekly average37.4 mg/L≤ 2.4 mg/L1458%
March 2026Nitrogen, total [as N], rolling average40707.951 lb/yr≤ 19155 lb/yr113%
March 2026Oxygen, dissolved [DO], instantaneous minimum4.2 mg/L≥ 5 mg/L16%
March 2026Phosphorus, total [as P], rolling average9090.0386 lb/yr≤ 3044 lb/yr199%
March 2026Solids, suspended percent removal, daily minimum22 %≥ 40 %30%
March 2026Solids, suspended percent removal, monthly average minimum78 %≥ 85 %47%
April 2026BOD, carbonaceous [5 day, 20 C], monthly average< 42 mg/L≤ 15 mg/L180%
April 2026BOD, carbonaceous [5 day, 20 C], weekly average81 mg/L≤ 20 mg/L305%
April 2026BOD, carbonaceous, percent removal, monthly average minimum77 %≥ 85 %53%
April 2026Chlorine, total residual, monthly average< .02 mg/L≤ .01 mg/L100%
April 2026Nitrogen, ammonia total [as N], daily maximum46 mg/L≤ 3.2 mg/L1338%
April 2026Nitrogen, ammonia total [as N], monthly average24 mg/L≤ 1.6 mg/L1400%
April 2026Nitrogen, ammonia total [as N], monthly average84.5 lb/d≤ 26.7 lb/d216%
April 2026Nitrogen, ammonia total [as N], weekly average137.7 lb/d≤ 40 lb/d244%
April 2026Nitrogen, ammonia total [as N], weekly average40.4 mg/L≤ 2.4 mg/L1583%
April 2026Nitrogen, total [as N], rolling average43211.717 lb/yr≤ 19155 lb/yr126%
April 2026Phosphorus, total [as P], rolling average9474.871 lb/yr≤ 3044 lb/yr211%
May 2026Chlorine, total residual, daily maximum.36 mg/L≤ .02 mg/L1700%
May 2026Chlorine, total residual, monthly average< .03 mg/L≤ .01 mg/L200%
May 2026E. coli, daily maximum1011 #/100mL≤ 410 #/100mL147%
May 2026IC25 Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia, minimum23 %> 92 %75%
May 2026IC25 Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas, minimum46 %> 92 %50%
May 2026Nitrogen, ammonia total [as N], daily maximum9.06 mg/L≤ 1.6 mg/L466%
May 2026Nitrogen, ammonia total [as N], monthly average13.9 lb/d≤ 13.3 lb/d5%
May 2026Nitrogen, ammonia total [as N], monthly average3.79 mg/L≤ .8 mg/L374%
May 2026Nitrogen, ammonia total [as N], weekly average5.83 mg/L≤ 1.2 mg/L386%
May 2026Nitrogen, total [as N], rolling average42543.268 lb/yr≤ 19155 lb/yr122%
May 2026Phosphorus, total [as P], rolling average9403.546 lb/yr≤ 3044 lb/yr209%
May 2026pH, daily minimum5.2 SU≥ 6 SU—
June 2026Chlorine, total residual, daily maximum.38 mg/L≤ .02 mg/L1800%
June 2026Chlorine, total residual, monthly average< .03 mg/L≤ .01 mg/L200%
June 2026Nitrogen, ammonia total [as N], daily maximum2.21 mg/L≤ 1.6 mg/L38%
June 2026Nitrogen, total [as N], rolling average41448.659 lb/yr≤ 19155 lb/yr116%
June 2026Phosphorus, total [as P], rolling average8976.8496 lb/yr≤ 3044 lb/yr195%
June 2026pH, daily minimum5.9 SU≥ 6 SU—
July 2026Chlorine, total residual, monthly average< .02 mg/L≤ .01 mg/L100%
July 2026Nitrogen, ammonia total [as N], daily maximum6.56 mg/L≤ 1.6 mg/L310%
July 2026Nitrogen, ammonia total [as N], monthly average1.4 mg/L≤ .8 mg/L75%
July 2026Nitrogen, ammonia total [as N], weekly average2.004 mg/L≤ 1.2 mg/L67%
August 2026Nitrogen, ammonia total [as N], daily maximum6.52 mg/L≤ 1.6 mg/L308%
August 2026Nitrogen, ammonia total [as N], monthly average2.21 mg/L≤ .8 mg/L176%
August 2026Nitrogen, ammonia total [as N], weekly average4.79 mg/L≤ 1.2 mg/L299%
August 2026Nitrogen, total [as N], rolling average25098.22 lb/yr≤ 19155 lb/yr31%
August 2026Phosphorus, total [as P], rolling average8596.12 lb/yr≤ 3044 lb/yr182%
September 2026Chlorine, total residual, daily maximum.28 mg/L≤ .02 mg/L1300%
September 2026Chlorine, total residual, monthly average.02 mg/L≤ .01 mg/L100%
September 2026Nitrogen, ammonia total [as N], daily maximum3.07 mg/L≤ 1.6 mg/L92%
September 2026Nitrogen, ammonia total [as N], monthly average1.44 mg/L≤ .8 mg/L80%
September 2026Nitrogen, ammonia total [as N], weekly average2.48 mg/L≤ 1.2 mg/L107%
September 2026Phosphorus, total [as P], rolling average7777.84 lb/yr≤ 3044 lb/yr156%

Limits in force (57)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]instantaneous minimum≥ 5 mg/Lall year001
pHdaily minimum≥ 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≤ 500 lb/dall year001
Solids, total suspendedweekly average≤ 667 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≤ 19155 lb/yrall year001
Nitrogen, ammonia total [as N]monthly average≤ .8 mg/LMay–Oct001
Nitrogen, ammonia total [as N]weekly average≤ 1.2 mg/LMay–Oct001
Nitrogen, ammonia total [as N]daily maximum≤ 1.6 mg/LMay–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 13.3 lb/dMay–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 26.7 lb/dJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]weekly average≤ 20 lb/dMay–Oct001
Nitrogen, ammonia total [as N]weekly average≤ 40 lb/dJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 1.6 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]weekly average≤ 2.4 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 3.2 mg/LJan, Feb, Mar, Apr, Nov, Dec001
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≤ 3044 lb/yrall year001
Cyanide, total [as CN]monthly average≤ .00488 mg/Lall year001
Copper, total [as Cu]monthly average≤ .01458 mg/Lall 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≤ 10 mg/LMay–Oct001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 15 mg/LMay–Oct001
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 20 mg/LMay–Oct001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 167 lb/dMay–Oct001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 250 lb/dMay–Oct001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 15 mg/LJan, Feb, Mar, Apr, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 20 mg/LJan, Feb, Mar, Apr, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 25 mg/LJan, Feb, Mar, Apr, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 250 lb/dJan, Feb, Mar, Apr, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 334 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
IC25 Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubiaminimum> 92 %all year001
IC25 Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelasminimum> 92 %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.

Check this month's numbers Email me before each report is due

· Save this facility as a site · Superfund sites nearby · Your permits on one board

On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/TN0020613 · MCP: https://passage-data.com/mcp