Overview
MAINLINE #4 is a gas pipeline facility located in Butte, Montana, United States. It operates under US PHMSA and DOT regulations for natural gas and hazardous liquid pipelines.
MAINLINE #4 is a gas pipeline facility situated at 40 East Broadway Street in Butte, Montana, within Silver Bow County. As part of the United States pipeline infrastructure, it contributes to the regional energy transport network, serving the local and broader industrial and residential demand for natural gas. The facility operates under the regulatory oversight of the US Pipeline and Hazardous Materials Safety Administration (PHMSA) and the Department of Transportation (DOT), specifically 49 CFR Part 192 for gas pipelines. The NAICS codes 221110 (Electric Power Generation) and 486210 (Pipeline Transportation of Natural Gas) indicate its dual role in power generation and gas transmission. MAINLINE #4 plays a key role in the natural gas supply chain for Butte and surrounding areas. Its operational status ensures continued delivery of energy resources, supporting local industry, heating, and electricity generation. The facility's location in a historic mining region underscores the transition from mineral extraction to energy infrastructure, contributing to the economic stability and energy security of Montana.
Environmental context
The pipeline is located in Butte, Montana, a region with a history of mining and industrial activity. Proximity to populated areas and waterways requires robust safety measures to prevent leaks or ruptures. The commodity transported (natural gas) poses risks of explosion and greenhouse gas emissions if released. Regulatory compliance with PHMSA standards for pipeline integrity management and emergency response is critical to mitigate environmental impact.
Frequently asked questions
MAINLINE #4 is located at 40 East Broadway Street in Butte, Montana, United States, within Silver Bow County.
MAINLINE #4 is a gas pipeline facility that transports natural gas, serving the energy needs of Butte and surrounding areas. It operates under US PHMSA and DOT regulations.
MAINLINE #4 is subject to US PHMSA and DOT regulations, including 49 CFR Part 192 for gas pipelines, which covers design, construction, operation, and maintenance standards.
Gas pipelines pose risks of methane leaks, which contribute to greenhouse gas emissions, and potential explosions if ruptured. Proximity to populated areas and waterways increases the need for rigorous safety and monitoring systems.
Pipeline safety in the US is enforced by PHMSA through regulations requiring integrity management programs, regular inspections, cathodic protection, and emergency response plans. Operators must comply with DOT standards to minimize risks.
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