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Solmax Geosynthetics LLC

Unsupported Plastics Film & Sheet, Houston, Texas. NPDES permit TX0103616, in force until Sep 7, 2028. Last 12 months: over a limit once (last September 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: form A monthly (28 values)
Renewal application due
Mar 11, 2028 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
3 values over a limit, 0 required values missing, 2 of 12 reports late

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

Period endingParameterReportedLimitOver by
September 2026Copper, total [as Cu], daily average.01794 mg/L≤ .015 mg/L20%

Limits in force (32)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]monthly minimum≥ 4 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≤ 2 lb/dall year
Solids, total suspendeddaily maximum≤ 5.34 lb/dall year
Oil & Greasedaily maximum≤ 15 mg/Lall year
Oil & Greasedaily maximum≤ 2 lb/dall year
Nitrogen, ammonia total [as N]daily average≤ 3 mg/LApr–Oct
Nitrogen, ammonia total [as N]daily average≤ 5 mg/LJan, Feb, Mar, Nov, Dec
Nitrogen, ammonia total [as N]daily maximum≤ 10 mg/LApr–Oct
Nitrogen, ammonia total [as N]daily maximum≤ 15 mg/LJan, Feb, Mar, Nov, Dec
Nitrogen, ammonia total [as N]daily average≤ .4 lb/dApr–Oct
Nitrogen, ammonia total [as N]daily average≤ .67 lb/dJan, Feb, Mar, Nov, Dec
Nitrogen, ammonia total [as N]daily maximum≤ 1.33 lb/dApr–Oct
Nitrogen, ammonia total [as N]daily maximum≤ 2 lb/dJan, Feb, Mar, Nov, Dec
Copper, total [as Cu]daily average≤ .015 mg/Lall year
Copper, total [as Cu]daily maximum≤ .032 mg/Lall year
Copper, total [as Cu]daily average≤ .002 lb/dall year
Copper, total [as Cu]daily maximum≤ .004 lb/dall year
Flow, in conduit or thru treatment plantdaily average≤ .016 MGDall year
Flow, in conduit or thru treatment plantdaily maximum≤ .033 MGDall year
Chlorine, total residualmonthly minimum≥ 1 mg/Lall year
Chlorine, total residualmonthly maximum≤ 4 mg/Lall year
E. colidaily average≤ 63 CFU/100mLall year
E. colidaily maximum≤ 197 CFU/100mLall year
Solids, total dissolveddaily maximumreport only (mg/L)all 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≤ 1.33 lb/dall year
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 3.34 lb/dall year

How strict are these limits?

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

Same industry: the 10 Rubber and Miscellaneous Plastics 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/TX0103616 · MCP: https://passage-data.com/mcp