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Natural Gas Pipeline Company of America

Natural Gas Transmission, Columbus Junction, Iowa. NPDES permit IA0058262, in force until May 31, 2028. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form A monthly (15 values)
Renewal application due
Dec 3, 2027 · 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 12 reports late

Limits in force (15)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]daily minimum≥ 5 mg/Lall year
Oxygen demand, chem. [high level] [COD]30-day average≤ 94 mg/Lall year
Oxygen demand, chem. [high level] [COD]daily maximum≤ 94 mg/Lall year
Oxygen demand, chem. [high level] [COD]30-day average≤ 156.5 lb/dall year
Oxygen demand, chem. [high level] [COD]daily maximum≤ 156.5 lb/dall year
pHdaily minimum≥ 6.5 SUall year
pHdaily maximum≤ 9 SUall year
Solids, total suspended30-day average≤ 30 mg/Lall year
Solids, total suspendeddaily maximum≤ 45 mg/Lall year
Solids, total suspended30-day average≤ 50.04 lb/dall year
Solids, total suspendeddaily maximum≤ 75.06 lb/dall year
Oil & Grease30-day average≤ 10 mg/Lall year
Oil & Greasedaily maximum≤ 15 mg/Lall year
Oil & Grease30-day average≤ 16.7 lb/dall year
Oil & Greasedaily maximum≤ 25.02 lb/dall year

How strict are these limits?

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

Same industry: the 4 Natural Gas Transmission permits in Iowa.

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/IA0058262 · MCP: https://passage-data.com/mcp