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

Lavon, City of

Sewage treatment plant, Lavon, Texas. NPDES permit TX0127345, in force until Jan 4, 2027. Last 12 months: over a limit 105 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: form A monthly (18 values)
Renewal application due
Jul 8, 2026 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
44 values over a limit, 0 required values missing, 0 of 12 reports late

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

All 105 values over a limit
Period endingParameterReportedLimitOver by
October 2025BOD, carbonaceous [5 day, 20 C], daily average16 mg/L≤ 5 mg/L220%
October 2025BOD, carbonaceous [5 day, 20 C], daily average75.6 lb/d≤ 21 lb/d260%
October 2025Flow, in conduit or thru treatment plant, daily average.551 MGD≤ .5 MGD10%
October 2025Nitrogen, ammonia total [as N], daily average10.1 mg/L≤ 2 mL/L—
October 2025Nitrogen, ammonia total [as N], daily average49.3 lb/d≤ 8.3 lb/d494%
October 2025Nitrogen, ammonia total [as N], single grab sample14.1 mg/L≤ 15 mL/L93900%
October 2025Solids, total suspended, daily average128 lb/d≤ 21 lb/wk4170%
October 2025Solids, total suspended, daily average27 mg/L≤ 5 mg/L440%
October 2025Solids, total suspended, single grab sample59 mg/L≤ 30 mg/L97%
November 2025BOD, carbonaceous [5 day, 20 C], daily average121 lb/d≤ 21 lb/d476%
November 2025BOD, carbonaceous [5 day, 20 C], daily average14.2 mg/L≤ 5 mg/L184%
November 2025E. coli, daily average921 CFU/100mL≤ 126 CFU/100mL631%
November 2025E. coli, single grab sample921 CFU/100mL≤ 399 CFU/100mL131%
November 2025Flow, in conduit or thru treatment plant, daily average.614 MGD≤ .5 MGD23%
November 2025Nitrogen, ammonia total [as N], daily average54.3 lb/d≤ 8.3 lb/d554%
November 2025Nitrogen, ammonia total [as N], daily average9.86 mg/L≤ 2 mL/L—
November 2025Nitrogen, ammonia total [as N], single grab sample15.4 mg/L≤ 15 mL/L—
November 2025Solids, total suspended, daily average41.8 mg/L≤ 5 mg/L736%
November 2025Solids, total suspended, daily average454 lb/d≤ 21 lb/wk15047%
November 2025Solids, total suspended, single grab sample137 mg/L≤ 30 mg/L357%
December 2025BOD, carbonaceous [5 day, 20 C], daily average13.8 mg/L≤ 5 mg/L176%
December 2025BOD, carbonaceous [5 day, 20 C], daily average62.6 lb/d≤ 21 lb/d198%
December 2025Flow, in conduit or thru treatment plant, daily average.533 MGD≤ .5 MGD7%
December 2025Nitrogen, ammonia total [as N], daily average15.6 mg/L≤ 2 mL/L—
December 2025Nitrogen, ammonia total [as N], daily average70.5 lb/d≤ 8.3 lb/d749%
December 2025Nitrogen, ammonia total [as N], single grab sample26.3 mg/L≤ 15 mL/L—
December 2025Solids, total suspended, daily average114 lb/d≤ 21 lb/wk3703%
December 2025Solids, total suspended, daily average24.4 mg/L≤ 5 mg/L388%
December 2025Solids, total suspended, single grab sample75 mg/L≤ 30 mg/L150%
January 2026BOD, carbonaceous [5 day, 20 C], daily average25.8 mg/L≤ 5 mg/L416%
January 2026BOD, carbonaceous [5 day, 20 C], daily average99.8 lb/d≤ 21 lb/d375%
January 2026BOD, carbonaceous [5 day, 20 C], single grab sample58 mg/L≤ 30 mg/L93%
January 2026Flow, in conduit or thru treatment plant, daily average.544 MGD≤ .5 MGD9%
January 2026Nitrogen, ammonia total [as N], daily average13.9 mg/L≤ 2 mL/L—
January 2026Nitrogen, ammonia total [as N], daily average56 lb/d≤ 8.3 lb/d575%
January 2026Nitrogen, ammonia total [as N], single grab sample25.3 mg/L≤ 15 mL/L—
January 2026Solids, total suspended, daily average22.2 mg/L≤ 5 mg/L344%
January 2026Solids, total suspended, daily average89.6 lb/d≤ 21 lb/wk2889%
January 2026Solids, total suspended, single grab sample32 mg/L≤ 30 mg/L7%
February 2026BOD, carbonaceous [5 day, 20 C], daily average12 mg/L≤ 5 mg/L140%
February 2026BOD, carbonaceous [5 day, 20 C], daily average46 lb/d≤ 21 lb/d119%
February 2026Flow, in conduit or thru treatment plant, daily average.529 MGD≤ .5 MGD6%
February 2026Nitrogen, ammonia total [as N], daily average16.8 mg/L≤ 2 mL/L—
February 2026Nitrogen, ammonia total [as N], daily average63.9 lb/d≤ 8.3 lb/d670%
February 2026Nitrogen, ammonia total [as N], single grab sample21.3 mg/L≤ 15 mL/L—
February 2026Solids, total suspended, daily average13.5 mg/L≤ 5 mg/L170%
February 2026Solids, total suspended, daily average52.8 lb/d≤ 21 lb/wk1662%
March 2026BOD, carbonaceous [5 day, 20 C], daily average13 mg/L≤ 5 mg/L160%
March 2026BOD, carbonaceous [5 day, 20 C], daily average59.2 lb/d≤ 21 lb/d182%
March 2026Flow, in conduit or thru treatment plant, daily average.542 MGD≤ .5 MGD8%
March 2026Nitrogen, ammonia total [as N], daily average19 mg/L≤ 2 mL/L—
March 2026Nitrogen, ammonia total [as N], daily average86 lb/d≤ 8.3 lb/d936%
March 2026Nitrogen, ammonia total [as N], single grab sample23.5 mg/L≤ 15 mL/L—
March 2026Solids, total suspended, daily average17.2 mg/L≤ 5 mg/L244%
March 2026Solids, total suspended, daily average79.3 lb/d≤ 21 lb/wk2546%
March 2026Solids, total suspended, single grab sample34 mg/L≤ 30 mg/L13%
April 2026BOD, carbonaceous [5 day, 20 C], daily average12 mg/L≤ 5 mg/L140%
April 2026BOD, carbonaceous [5 day, 20 C], daily average56.5 lb/d≤ 21 lb/d169%
April 2026Flow, in conduit or thru treatment plant, daily average.591 MGD≤ .5 MGD18%
April 2026Nitrogen, ammonia total [as N], daily average142 lb/d≤ 8.3 lb/d1611%
April 2026Nitrogen, ammonia total [as N], daily average30.1 mg/L≤ 2 mL/L—
April 2026Nitrogen, ammonia total [as N], single grab sample41 mg/L≤ 15 mL/L—
April 2026Solids, total suspended, daily average10.6 mg/L≤ 5 mg/L112%
April 2026Solids, total suspended, daily average51 lb/d≤ 21 lb/wk1601%
May 2026BOD, carbonaceous [5 day, 20 C], daily average17.5 mg/L≤ 5 mg/L250%
May 2026BOD, carbonaceous [5 day, 20 C], daily average86.1 lb/d≤ 21 lb/d310%
May 2026E. coli, daily average2420 CFU/100mL≤ 126 CFU/100mL1821%
May 2026E. coli, single grab sample2420 CFU/100mL≤ 399 CFU/100mL507%
May 2026Flow, in conduit or thru treatment plant, daily average.583 MGD≤ .5 MGD17%
May 2026Nitrogen, ammonia total [as N], daily average19.6 mg/L≤ 2 mL/L—
May 2026Nitrogen, ammonia total [as N], daily average96 lb/d≤ 8.3 lb/d1057%
May 2026Nitrogen, ammonia total [as N], single grab sample24.4 mg/L≤ 15 mL/L—
May 2026Solids, total suspended, daily average16 mg/L≤ 5 mg/L220%
May 2026Solids, total suspended, daily average80.5 lb/d≤ 21 lb/wk2586%
June 2026BOD, carbonaceous [5 day, 20 C], daily average176 lb/d≤ 21 lb/d738%
June 2026BOD, carbonaceous [5 day, 20 C], daily average27 mg/L≤ 5 mg/L440%
June 2026BOD, carbonaceous [5 day, 20 C], single grab sample33 mg/L≤ 30 mg/L10%
June 2026Flow, in conduit or thru treatment plant, daily average.818 MGD≤ .5 MGD64%
June 2026Nitrogen, ammonia total [as N], daily average134 lb/d≤ 8.3 lb/d1514%
June 2026Nitrogen, ammonia total [as N], daily average23 mg/L≤ 2 mL/L—
June 2026Nitrogen, ammonia total [as N], single grab sample41.9 mg/L≤ 15 mL/L—
June 2026Solids, total suspended, daily average260 lb/d≤ 21 lb/wk8574%
June 2026Solids, total suspended, daily average38.5 mg/L≤ 5 mg/L670%
June 2026Solids, total suspended, single grab sample63 mg/L≤ 30 mg/L110%
July 2026BOD, carbonaceous [5 day, 20 C], daily average12.6 mg/L≤ 5 mg/L152%
July 2026BOD, carbonaceous [5 day, 20 C], daily average60.4 lb/d≤ 21 lb/d188%
July 2026E. coli, daily average2420 CFU/100mL≤ 126 CFU/100mL1821%
July 2026E. coli, single grab sample2420 CFU/100mL≤ 399 CFU/100mL507%
July 2026Flow, in conduit or thru treatment plant, daily average.589 MGD≤ .5 MGD18%
July 2026Nitrogen, ammonia total [as N], daily average104 lb/d≤ 8.3 lb/d1153%
July 2026Nitrogen, ammonia total [as N], daily average21.3 mg/L≤ 2 mL/L—
July 2026Nitrogen, ammonia total [as N], single grab sample33.2 mg/L≤ 15 mL/L—
July 2026Solids, total suspended, daily average15 mg/L≤ 5 mg/L200%
July 2026Solids, total suspended, daily average71.7 lb/d≤ 21 lb/wk2292%
August 2026BOD, carbonaceous [5 day, 20 C], daily average10.4 mg/L≤ 5 mg/L108%
August 2026BOD, carbonaceous [5 day, 20 C], daily average42.5 lb/d≤ 21 lb/d102%
August 2026E. coli, daily average272 CFU/100mL≤ 126 CFU/100mL116%
August 2026E. coli, single grab sample816 CFU/100mL≤ 399 CFU/100mL105%
August 2026Flow, in conduit or thru treatment plant, daily average.571 MGD≤ .5 MGD14%
August 2026Nitrogen, ammonia total [as N], daily average18.3 mL/L≤ 2 mL/L815%
August 2026Nitrogen, ammonia total [as N], daily average73.6 lb/d≤ 8.3 lb/d787%
August 2026Nitrogen, ammonia total [as N], single grab sample33.6 mL/L≤ 15 mL/L124%
August 2026Solids, total suspended, daily average21 mg/L≤ 5 mg/L320%
August 2026Solids, total suspended, daily average84.2 lb/wk≤ 21 lb/wk301%
August 2026Solids, total suspended, single grab sample54 mg/L≤ 30 mg/L80%

Limits in force (18)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]monthly minimum≥ 4 mg/Lall year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendeddaily average≤ 5 mg/Lall year
Solids, total suspendedsingle grab sample≤ 30 mg/Lall year
Solids, total suspendeddaily average≤ 21 lb/wkall year
Nitrogen, ammonia total [as N]daily average≤ 2 mL/Lall year
Nitrogen, ammonia total [as N]single grab sample≤ 15 mL/Lall year
Nitrogen, ammonia total [as N]daily average≤ 8.3 lb/dall year
Flow, in conduit or thru treatment plantdaily average≤ .5 MGDall year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Chlorine, total residualmonthly minimum≥ 1 mg/Lall year
Chlorine, total residualmonthly maximum≤ 4 mg/Lall year
E. colidaily average≤ 126 CFU/100mLall year
E. colisingle grab sample≤ 399 CFU/100mLall year
BOD, carbonaceous [5 day, 20 C]daily average≤ 5 mg/Lall year
BOD, carbonaceous [5 day, 20 C]single grab sample≤ 30 mg/Lall year
BOD, carbonaceous [5 day, 20 C]daily average≤ 21 lb/dall year

How strict are these limits?

Cited limits by parameter: Texas'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/TX0127345 · MCP: https://passage-data.com/mcp