Overview
NORTHWEST PIPELINE LLC - CALDWELL is an operational gas pipeline facility in Caldwell, Idaho, United States. It operates under US PHMSA and DOT regulations for natural gas transmission.
NORTHWEST PIPELINE LLC - CALDWELL is a gas pipeline facility located in Caldwell, Idaho, within the United States. The facility is situated in Gem County and serves as part of the regional natural gas transmission infrastructure. As an operational pipeline, it contributes to the energy supply network in the Pacific Northwest. The facility operates under the regulatory framework of the US Pipeline and Hazardous Materials Safety Administration (PHMSA) and complies with DOT 49 CFR Part 192, which governs gas pipeline safety. The pipeline's technical specifications, such as length and diameter, are not publicly detailed, but typical gas pipelines in this region range from medium to large scale, often spanning hundreds of miles to connect supply basins to demand centers. Environmentally, the pipeline traverses areas near agricultural and residential zones in southwestern Idaho. Its role in the natural gas grid supports local heating, industrial use, and power generation. The facility's proximity to the Boise River watershed necessitates careful monitoring to prevent leaks and ensure water resource protection.
Environmental context
The pipeline operates in a region with mixed agricultural and suburban land use near Caldwell. Proximity to waterways such as the Boise River requires robust cathodic protection and leak detection systems to prevent soil and water contamination. The commodity transported (natural gas) poses lower spill risk than liquids but methane leakage is a climate concern.
Frequently asked questions
NORTHWEST PIPELINE LLC - CALDWELL is located in Caldwell, Gem County, Idaho, United States, at coordinates 43.812551, -116.690222.
It is an operational gas pipeline facility that transports natural gas as part of the regional transmission network in the Pacific Northwest.
Gas pipelines in the US are regulated by the Pipeline and Hazardous Materials Safety Administration (PHMSA) under DOT 49 CFR Part 192, which sets safety standards for design, construction, and operation.
Typical safety measures include cathodic protection to prevent corrosion, regular leak surveys, pressure monitoring, and compliance with PHMSA integrity management programs.
The pipeline crosses areas near agricultural land and waterways, requiring environmental monitoring to prevent leaks and minimize methane emissions, which contribute to climate change.
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