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Enterprise Products Operating LLC

Natural Gas Liquids, Yoakum, Texas. NPDES permit TX0134077, in force until Dec 18, 2030. 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 (8 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 (8)

Parameter	Statistic	Limit	Months
pH	minimum	≥ 6.5 SU	all year
pH	maximum	≤ 9 SU	all year
Oil & Grease	daily average	≤ 10 mg/L	all year
Oil & Grease	daily maximum	≤ 15 mg/L	all year
Flow, in conduit or thru treatment plant	daily average	≤ .0173 MGD	all year
Flow, in conduit or thru treatment plant	daily maximum	≤ .02 MGD	all year
Solids, total dissolved	daily average	report only (mg/L)	all year
Solids, total dissolved	daily maximum	report only (mg/L)	all year

New limits from Jan 1, 2029

Parameter	New limit	New or tighter	Median, last 12 months	× new limit
Solids, total dissolved, daily average	2279 mg/L	new	1730 mg/L (9 values)	0.759×
Solids, total dissolved, daily maximum	4823 mg/L	new	1745 mg/L (12 values)	0.362×

How strict are these limits?

pH, minimum at least 6.5 SU — stricter than 96% of 1,035 other minor industrial and other permits in Texas; 3% have the same limit
Oil & Grease, daily average 10 mg/L — stricter than 58% of 95 other minor industrial and other permits in Texas; 38% 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

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

Same industry: the 30 Oil and Gas Extraction permits in Texas.

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Your permit document is the final word. As JSON: /api/v1/permits/TX0134077 · MCP: https://passage-data.com/mcp