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Transcontinental Gas Pipeline Co LLC, Station 70

Natural Gas Transmission, Tylertown, Mississippi. NPDES permit MS0038482, in force until Aug 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 quarterly (11 values), form Y yearly
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 5 reports late

Limits in force (15)

ParameterStatisticLimitMonths
Temperature, water deg. fahrenheitquarterly maximum≤ 90 deg Fall year
BOD, 5-day, 20 deg. Cannual averagereport only (mg/L)all year
BOD, 5-day, 20 deg. Cannual maximumreport only (mg/L)all year
pHminimum≥ 6 SUall year
pHquarterly maximum≤ 9 SUall year
Solids, total suspendedquarterly average≤ 30 mg/Lall year
Solids, total suspendedquarterly maximum≤ 45 mg/Lall year
Oil & Greasequarterly average≤ 10 mg/Lall year
Oil & Greasequarterly maximum≤ 15 mg/Lall year
Nitrogen, ammonia total [as N]annual averagereport only (mg/L)all year
Nitrogen, ammonia total [as N]annual maximumreport only (mg/L)all year
Zinc, total [as Zn]quarterly average≤ .0581 mg/Lall year
Zinc, total [as Zn]quarterly maximum≤ .0636 mg/Lall year
Flow, in conduit or thru treatment plantquarterly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantquarterly maximumreport only (MGD)all year

How strict are these limits?

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

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

Check this month's numbers Email me before each report is due

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/MS0038482 · MCP: https://passage-data.com/mcp