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

Enbridge Holdings Mississippi LLC, Former Harmony Gas Plant

Natural Gas Liquids, Pachuta, Mississippi. NPDES permit MS0062308, in force until Jul 31, 2031. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due: About 28 days after each period: form Q twice a year
Last report on file: July 2026
Oct 2024 – Sep 2025: 0 values over a limit, 0 required values missing, 0 of 12 reports late

Limits in force (9)

Parameter	Statistic	Limit	Months
pH	minimum	≥ 6 SU	all year
pH	maximum	≤ 9 SU	all year
Oil & Grease	daily maximum	≤ 15 mg/L	all year
Benzene, ethylbenzene, toluene, xylene combination	quarterly average	≤ .75 mg/L	all year
Benzene, ethylbenzene, toluene, xylene combination	daily maximum	≤ 1.12 mg/L	all year
Chlorinated phenols	quarterly average	≤ .05 mg/L	all year
Chlorinated phenols	daily maximum	≤ .075 mg/L	all year
Flow, total	quarterly average	report only (gal/d)	all year
Flow, total	daily maximum	report only (gal/d)	all year

How strict are these limits?

Oil & Grease, daily maximum 15 mg/L — stricter than 26% of 45 other minor industrial and other permits in Mississippi; 60% have the same limit

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

Same industry: the 6 Oil and Gas Extraction permits in Mississippi.

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/MS0062308 · MCP: https://passage-data.com/mcp