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Buckley Oil Company

Chemicals & Allied Products, Midlothian, Texas. NPDES permit TX0135208, in force until Dec 20, 2026. Last 12 months: no values over a limit, 1 of 12 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due: About 20 days after each period: form A monthly (7 values)
Renewal application due: Jun 23, 2026 · 180 days before expiry; your permit may set another date
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
Carbon, tot organic [TOC]	daily maximum	≤ 55 mg/L	all year
Petrol hydrocarbons, total recoverable	daily maximum	≤ 15 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?

Carbon, tot organic [TOC], daily maximum 55 mg/L — stricter than 62% of 114 other minor industrial and other permits in Texas; 32% have the same limit
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

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

Same industry: the 20 Wholesale Trade — Nondurable Goods 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/TX0135208 · MCP: https://passage-data.com/mcp