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Texas Department of Criminal Justice

Sewage treatment plant, major discharger, Huntsville, Texas. NPDES permit TX0092789, in force until Jun 5, 2029. Last 12 months: over a limit 23 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: form A monthly (21 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
20 values over a limit, 0 required values missing, 0 of 12 reports late

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

All 23 values over a limit
Period endingParameterReportedLimitOver by
December 2025Chlorine, total residual, instantaneous maximum3.7 mg/L≤ .1 mg/L3600%
December 2025Oxygen, dissolved [DO], monthly minimum4.8 mg/L≥ 5 mg/L4%
January 2026Chlorine, total residual, instantaneous maximum2.2 mg/L≤ .1 mg/L2100%
February 2026Chlorine, total residual, instantaneous maximum1.99 mg/L≤ .1 mg/L1890%
February 2026Nitrogen, ammonia total [as N], daily average36.1 lb/d≤ 17 lb/d112%
February 2026Nitrogen, ammonia total [as N], daily average8.28 mg/L≤ 2 mg/L314%
February 2026Nitrogen, ammonia total [as N], daily maximum18.8 mg/L≤ 10 mg/L88%
March 2026Chlorine, total residual, instantaneous maximum1 mg/L≤ .1 mg/L900%
March 2026Nitrogen, ammonia total [as N], daily average11 mg/L≤ 2 mg/L450%
March 2026Nitrogen, ammonia total [as N], daily average52.4 lb/d≤ 17 lb/d208%
March 2026Nitrogen, ammonia total [as N], daily maximum15.2 mg/L≤ 10 mg/L52%
April 2026Chlorine, total residual, instantaneous maximum1.87 mg/L≤ .1 mg/L1770%
April 2026Nitrogen, ammonia total [as N], daily average36.1 lb/d≤ 17 lb/d112%
April 2026Nitrogen, ammonia total [as N], daily average7.78 mg/L≤ 2 mg/L289%
April 2026Nitrogen, ammonia total [as N], daily maximum14.5 mg/L≤ 10 mg/L45%
May 2026Nitrogen, ammonia total [as N], daily average35.1 lb/d≤ 17 lb/d106%
May 2026Nitrogen, ammonia total [as N], daily average7.1 mg/L≤ 2 mg/L255%
May 2026Nitrogen, ammonia total [as N], daily maximum10.2 mg/L≤ 10 mg/L2%
July 2026Chlorine, total residual, instantaneous maximum1.71 mg/L≤ .1 mg/L1610%
July 2026Nitrogen, ammonia total [as N], daily average12.8 mg/L≤ 2 mg/L540%
July 2026Nitrogen, ammonia total [as N], daily average61.8 lb/d≤ 17 lb/d264%
July 2026Nitrogen, ammonia total [as N], daily maximum19.5 mg/L≤ 10 mg/L95%
August 2026E. coli, daily maximum2420 CFU/100mL≤ 399 CFU/100mL507%

Limits in force (21)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]monthly minimum≥ 5 mg/Lall year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendeddaily average≤ 15 mg/Lall year
Solids, total suspendeddaily maximum≤ 40 mg/Lall year
Solids, total suspendeddaily average≤ 124 lb/dall year
Nitrogen, ammonia total [as N]daily average≤ 2 mg/Lall year
Nitrogen, ammonia total [as N]daily maximum≤ 10 mg/Lall year
Nitrogen, ammonia total [as N]daily average≤ 17 lb/dall year
Sulfate, total [as SO4]daily average≤ 97 mg/Lall year
Sulfate, total [as SO4]daily maximum≤ 204 mg/Lall year
Sulfate, total [as SO4]daily average≤ 801 lb/dall year
Flow, in conduit or thru treatment plantdaily average≤ .99 MGDall year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Chlorine, total residualinstantaneous maximum≤ .1 mg/Lall year
Chlorine, total residualmonthly minimum≥ 1 mg/Lall year
E. colidaily average≤ 126 CFU/100mLall year
E. colidaily maximum≤ 399 CFU/100mLall year
BOD, carbonaceous [5 day, 20 C]daily average≤ 7 mg/Lall year
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 22 mg/Lall year
BOD, carbonaceous [5 day, 20 C]daily average≤ 58 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/TX0092789 · MCP: https://passage-data.com/mcp