CoRE and HSEEP Information
CoRE-EX and Excavator Programs
Integrity Management Programs
Leak Recognition Response
National Pipeline Mapping System
New Hampshire Pipeline Operators
Additional pipeline operators may exist in your area.
National Pipeline Mapping System (NPMS)
to find companies in your area not listed below.
Portland Natural Gas Transmission System
24 Hour Emergency Contact: 1-800-830-9865
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New Hampshire Pipeline Awareness