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United States Gypsum Company

Paperboard Mills, Galena Park, Texas. NPDES permit TX0007056, in force until Feb 16, 2028. Last 12 months: over a limit 2 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: form A monthly (15 values), form Y yearly
Renewal application due
Aug 20, 2027 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 13 reports late

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

Period endingParameterReportedLimitOver by
April 2026Enterococci, daily maximum2400 CFU/100mL≤ 500 CFU/100mL380%
August 2026Enterococci, daily maximum1000 CFU/100mL≤ 500 CFU/100mL100%

Limits in force (16)

ParameterStatisticLimitMonths
BOD, 5-day, 20 deg. Cdaily average≤ 600 lb/dall year
BOD, 5-day, 20 deg. Cdaily maximum≤ 1200 lb/dall year
Oxygen demand, chem. [high level] [COD]daily average≤ 1176 lb/dall year
Oxygen demand, chem. [high level] [COD]daily maximum≤ 1480 lb/dall year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendeddaily average≤ 1000 lb/dall year
Solids, total suspendeddaily maximum≤ 2000 lb/dall year
Oil & Greasedaily maximum≤ 15 mg/Lall year
Nitrogen, ammonia total [as N]daily maximum≤ 31 lb/dall year
Flow, in conduit or thru treatment plantdaily average≤ .48 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≥ .5 mg/Lall year
Enterococcidaily average≤ 168 CFU/100mLall year
Enterococcidaily maximum≤ 500 CFU/100mLall year

How strict are these limits?

Cited limits by parameter: Texas's rules and the federal ones.

Same industry: the 4 Paper and Allied Products permits in Texas.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/TX0007056 · MCP: https://passage-data.com/mcp