Passage Data · Check a report · Use it from your AI

Reagent Chemical & Research Inc

Transportation Services, Laredo, Texas. NPDES permit TX0133647, in force until Jan 16, 2031. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due: About 20 days after each period: form A monthly (7 values)
Last report on file: September 2026
Oct 2024 – Sep 2025: 0 values over a limit, 0 required values missing, 0 of 12 reports late

Limits in force (7)

Parameter	Statistic	Limit	Months
Oxygen demand, chem. [high level] [COD]	daily maximum	≤ 150 mg/L	all year
pH	minimum	≥ 6 SU	all year
pH	maximum	≤ 9 SU	all year
Oil & Grease	daily maximum	≤ 15 mg/L	all year
Zinc, total [as Zn]	daily maximum	≤ 1.085 mg/L	all year
Flow, in conduit or thru treatment plant	daily average	report only (MGD)	all year
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year

How strict are these limits?

Oxygen demand, chem. [high level] [COD], daily maximum 150 mg/L — stricter than 55% of 113 other minor industrial and other permits in Texas; 35% have the same limit
Oil & Grease, daily maximum 15 mg/L — stricter than 21% of 265 other minor industrial and other permits in Texas; 78% have the same limit
Zinc, total [as Zn], daily maximum 1.085 mg/L — stricter than 15% of 65 other minor industrial and other permits in Texas

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

Same industry: the 3 Transportation Services permits in Texas.

Check this month's numbers Email me before each report is due

· Save this facility as a site · Superfund sites nearby · Your permits on one board

On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/TX0133647 · MCP: https://passage-data.com/mcp