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DTM Louisiana Gathering LLC - Longstreet Facility

Crude Petroleum And Natural Gas, Keatchie, Louisiana. NPDES permit LA0127661, in force until Aug 31, 2028. Last 12 months: over a limit once (last June 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due: About 28 days after each period: form Q quarterly (6 values)
Renewal application due: Mar 4, 2028 · 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 4 reports late

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

Period ending	Parameter	Reported	Limit
June 2026	pH, instantaneous maximum	9.48 SU	≤ 9 SU

Limits in force (6)

Parameter	Statistic	Limit	Months
pH	instantaneous minimum	≥ 6 SU	all year
pH	instantaneous maximum	≤ 9 SU	all year
Solids, total suspended	monthly average	≤ 30 mg/L	all year
Solids, total suspended	daily maximum	≤ 45 mg/L	all year
Flow, in conduit or thru treatment plant	monthly average	report only (gal/d)	all year
Flow, in conduit or thru treatment plant	daily maximum	report only (gal/d)	all year

How strict are these limits?

Solids, total suspended, daily maximum 45 mg/L — stricter than 18% of 551 other minor industrial and other permits in Louisiana; 59% have the same limit

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

Same industry: the 56 Oil and Gas Extraction permits in Louisiana.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/LA0127661 · MCP: https://passage-data.com/mcp