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Union Hill Isd

Sewage treatment plant, Gilmer, Texas. NPDES permit TX0118451, in force until Jun 19, 2031. Last 12 months: over a limit 30 times (last September 2026), 2 of 16 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: form A monthly (13 values), form Q quarterly (2 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
13 values over a limit, 0 required values missing, 4 of 16 reports late

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

All 30 values over a limit
Period endingParameterReportedLimitOver by
November 2025BOD, 5-day, 20 deg. C, daily average41.5 mg/L≤ 20 mg/L108%
November 2025BOD, 5-day, 20 deg. C, single grab sample66.3 mg/L≤ 65 mg/L2%
November 2025Solids, total suspended, daily average128 mg/L≤ 20 mg/L540%
November 2025Solids, total suspended, single grab sample160 mg/L≤ 65 mg/L146%
December 2025BOD, 5-day, 20 deg. C, daily average6.2 lb/d≤ 1.3 lb/d377%
December 2025BOD, 5-day, 20 deg. C, daily average748 mg/L≤ 20 mg/L3640%
December 2025BOD, 5-day, 20 deg. C, single grab sample1700 mg/L≤ 65 mg/L2515%
December 2025E. coli, daily average167 CFU/100mL≤ 126 CFU/100mL33%
December 2025Solids, total suspended, daily average60.5 lb/d≤ 1.3 lb/d4554%
December 2025Solids, total suspended, daily average7253 mg/L≤ 20 mg/L36165%
December 2025Solids, total suspended, single grab sample17300 mg/L≤ 65 mg/L26515%
January 2026BOD, 5-day, 20 deg. C, daily average1.8 lb/d≤ 1.3 lb/d38%
January 2026BOD, 5-day, 20 deg. C, daily average54.3 mg/L≤ 20 mg/L172%
January 2026Solids, total suspended, daily average2.4 lb/d≤ 1.3 lb/d85%
January 2026Solids, total suspended, daily average73 mg/L≤ 20 mg/L265%
January 2026Solids, total suspended, single grab sample73 mg/L≤ 65 mg/L12%
February 2026BOD, 5-day, 20 deg. C, daily average162.5 mg/L≤ 20 mg/L713%
February 2026BOD, 5-day, 20 deg. C, daily average5.4 lb/d≤ 1.3 lb/d315%
February 2026BOD, 5-day, 20 deg. C, single grab sample184 mg/L≤ 65 mg/L183%
February 2026Solids, total suspended, daily average173.5 mg/L≤ 20 mg/L768%
February 2026Solids, total suspended, daily average5.8 lb/d≤ 1.3 lb/d346%
February 2026Solids, total suspended, single grab sample286 mg/L≤ 65 mg/L340%
March 2026E. coli, daily average2420 CFU/100mL≤ 126 CFU/100mL1821%
March 2026E. coli, single grab sample2420 CFU/100mL≤ 399 CFU/100mL507%
April 2026Solids, total suspended, daily average57 mg/L≤ 20 mg/L185%
August 2026Solids, total suspended, daily average21.4 mg/L≤ 20 mg/L7%
September 2026Chlorine, total residual, monthly maximum6.3 mg/L≤ 4 mg/L58%
September 2026Chlorine, total residual, monthly minimum.4 mg/L≥ 1 mg/L60%
September 2026Oxygen, dissolved [DO], monthly minimum1.23 mg/L≥ 2 mg/L39%
September 2026pH, minimum3.92 SU≥ 6 SU—

Limits in force (15)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]monthly minimum≥ 2 mg/Lall year
BOD, 5-day, 20 deg. Cdaily average≤ 20 mg/Lall year
BOD, 5-day, 20 deg. Csingle grab sample≤ 65 mg/Lall year
BOD, 5-day, 20 deg. Cdaily average≤ 1.3 lb/dall year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendeddaily average≤ 20 mg/Lall year
Solids, total suspendedsingle grab sample≤ 65 mg/Lall year
Solids, total suspendeddaily average≤ 1.3 lb/dall year
Flow, in conduit or thru treatment plantdaily average≤ .008 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

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/TX0118451 · MCP: https://passage-data.com/mcp