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Jefferson County Wcid 10

Sewage treatment plant, Nederland, Texas. NPDES permit TX0111589, in force until Feb 21, 2029. Last 12 months: over a limit 43 times (last September 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: form A monthly (15 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
28 values over a limit, 0 required values missing, 0 of 12 reports late

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

All 43 values over a limit
Period endingParameterReportedLimitOver by
October 2025E. coli, daily average300.1 CFU/100mL≤ 126 CFU/100mL138%
October 2025E. coli, daily maximum400 CFU/100mL≤ 399 CFU/100mL0%
October 2025Nitrogen, ammonia total [as N], daily average3.17 mg/L≤ 3 mg/L6%
November 2025E. coli, daily maximum400 CFU/100mL≤ 399 CFU/100mL0%
November 2025Nitrogen, ammonia total [as N], daily average3.7 mg/L≤ 3 mg/L23%
December 2025E. coli, daily average704 CFU/100mL≤ 126 CFU/100mL459%
December 2025E. coli, daily maximum3000 CFU/100mL≤ 399 CFU/100mL652%
December 2025Nitrogen, ammonia total [as N], daily average12.4 mg/L≤ 3 mg/L313%
December 2025Nitrogen, ammonia total [as N], daily average38.4 lb/d≤ 19 lb/d102%
December 2025Nitrogen, ammonia total [as N], daily maximum19.5 mg/L≤ 10 mg/L95%
January 2026E. coli, daily maximum2800 CFU/100mL≤ 399 CFU/100mL602%
January 2026Nitrogen, ammonia total [as N], daily average22.1 lb/d≤ 19 lb/d16%
January 2026Nitrogen, ammonia total [as N], daily average7 mg/L≤ 3 mg/L133%
January 2026Nitrogen, ammonia total [as N], daily maximum11.25 mg/L≤ 10 mg/L13%
February 2026E. coli, daily average4690 CFU/100mL≤ 126 CFU/100mL3622%
February 2026E. coli, daily maximum14000 CFU/100mL≤ 399 CFU/100mL3409%
February 2026Nitrogen, ammonia total [as N], daily average15.9 mg/L≤ 3 mg/L430%
February 2026Nitrogen, ammonia total [as N], daily average51.9 lb/d≤ 19 lb/d173%
February 2026Nitrogen, ammonia total [as N], daily maximum18.25 mg/L≤ 10 mg/L83%
March 2026E. coli, daily average1810 CFU/100mL≤ 126 CFU/100mL1337%
March 2026E. coli, daily maximum10400 CFU/100mL≤ 399 CFU/100mL2507%
March 2026Nitrogen, ammonia total [as N], daily average31.2 lb/d≤ 19 lb/d64%
March 2026Nitrogen, ammonia total [as N], daily average8.8 mg/L≤ 3 mg/L193%
March 2026Nitrogen, ammonia total [as N], daily maximum14.8 mg/L≤ 10 mg/L48%
April 2026BOD, carbonaceous [5 day, 20 C], daily average10.25 mg/L≤ 10 mg/L3%
April 2026Nitrogen, ammonia total [as N], daily average3.9 mg/L≤ 3 mg/L30%
May 2026E. coli, daily maximum4800 CFU/100mL≤ 399 CFU/100mL1103%
May 2026Nitrogen, ammonia total [as N], daily average4.9 mg/L≤ 3 mg/L63%
June 2026E. coli, daily average948.7 CFU/100mL≤ 126 CFU/100mL653%
June 2026E. coli, daily maximum6000 CFU/100mL≤ 399 CFU/100mL1404%
June 2026Nitrogen, ammonia total [as N], daily average21.2 lb/d≤ 19 lb/d12%
June 2026Nitrogen, ammonia total [as N], daily average5.1 mg/L≤ 3 mg/L70%
July 2026BOD, carbonaceous [5 day, 20 C], daily average10.5 mg/L≤ 10 mg/L5%
July 2026E. coli, daily average149.2 CFU/100mL≤ 126 CFU/100mL18%
July 2026Nitrogen, ammonia total [as N], daily average3.2 mg/L≤ 3 mg/L7%
August 2026E. coli, daily average139.1 CFU/100mL≤ 126 CFU/100mL10%
August 2026E. coli, daily maximum1500 CFU/100mL≤ 399 CFU/100mL276%
September 2026BOD, carbonaceous [5 day, 20 C], daily average17.2 mg/L≤ 10 mg/L72%
September 2026BOD, carbonaceous [5 day, 20 C], daily average99.8 lb/d≤ 63 lb/d58%
September 2026E. coli, daily average1718 CFU/100mL≤ 126 CFU/100mL1263%
September 2026E. coli, daily maximum2500 CFU/100mL≤ 399 CFU/100mL527%
September 2026Nitrogen, ammonia total [as N], daily average24.4 lb/d≤ 19 lb/d28%
September 2026Nitrogen, ammonia total [as N], daily average4.3 mg/L≤ 3 mg/L43%

Limits in force (15)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]monthly minimum≥ 4 mg/Lall year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendeddaily average≤ 90 mg/Lall year
Solids, total suspendeddaily average≤ 563 lb/dall year
Nitrogen, ammonia total [as N]daily average≤ 3 mg/Lall year
Nitrogen, ammonia total [as N]daily maximum≤ 10 mg/Lall year
Nitrogen, ammonia total [as N]daily average≤ 19 lb/dall year
Flow, in conduit or thru treatment plantdaily average≤ .75 MGDall year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
E. colidaily average≤ 126 CFU/100mLall year
E. colidaily maximum≤ 399 CFU/100mLall year
BOD, carbonaceous [5 day, 20 C]daily average≤ 10 mg/Lall year
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 25 mg/Lall year
BOD, carbonaceous [5 day, 20 C]daily average≤ 63 lb/dall year

How strict are these limits?

Cited limits by parameter: Texas'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/TX0111589 · MCP: https://passage-data.com/mcp