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Transcontinental Gas Pipeline Company LLC, Station 70

Natural Gas Transmission, Tylertown, Mississippi. NPDES permit MSG130663, in force until May 31, 2027. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due: About 28 days after each period: form S twice a year
Renewal application due: Dec 2, 2026 · 180 days before expiry; your permit may set another date
Last report on file: June 2026

Limits in force (6)

Parameter	Statistic	Limit	Months
pH	minimum	≥ 6 SU	all year
pH	maximum	≤ 9 SU	all year
Solids, total suspended	semi-annual maximum	≤ 90 mg/L	all year
Oil & Grease	semi-annual maximum	≤ 15 mg/L	all year
Flow, in conduit or thru treatment plant	semi-annual maximum	report only (MGD)	all year
Chlorine, total residual	semi-annual maximum	≤ .019 mg/L	all year

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

Same industry: the 9 Natural Gas Transmission permits in Mississippi.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/MSG130663 · MCP: https://passage-data.com/mcp