Overview
Southern Natural Gas Company LLC operates a gas pipeline pressure test site at Mile Post 7 near Magee, Mississippi. This facility supports the integrity management of the SNG pipeline network in the US Southeast.
Southern Natural Gas Company LLC, SML Mile Post 7 Pressure Test (AFE 412679) is a gas pipeline facility located on Mount Zion Road in Magee, Simpson County, Mississippi. The site is used for pressure testing to ensure pipeline integrity and safety, part of the extensive Southern Natural Gas pipeline system that transports natural gas across the southeastern United States. The facility operates under the regulatory oversight of the Pipeline and Hazardous Materials Safety Administration (PHMSA) and complies with 49 CFR Part 192, which governs gas pipeline safety. Pressure testing is a critical maintenance activity to verify the strength and leak-tightness of pipelines, especially in segments near populated areas or sensitive environments. This pressure test site plays a key role in maintaining the reliability of natural gas supply to communities and industries in Mississippi and neighboring states. By conducting periodic tests, the operator helps prevent failures and ensures continuous service, supporting regional energy infrastructure resilience.
Environmental context
The facility is located in a rural area of Simpson County, near the town of Magee. The surrounding landscape includes forested areas and agricultural land. Pipeline pressure testing involves controlled release of water or gas, with measures to minimize environmental impact. Proximity to waterways and residential zones requires careful management to prevent leaks and ensure public safety.
Frequently asked questions
The facility is located on Mount Zion Road in Magee, Simpson County, Mississippi, USA.
Pressure testing verifies the strength and leak-tightness of a pipeline segment, ensuring it can operate safely at its maximum allowable operating pressure.
The Pipeline and Hazardous Materials Safety Administration (PHMSA) under 49 CFR Part 192 sets the safety standards for gas pipeline testing and operations.
Pressure tests are typically required after construction, major repairs, or at intervals specified by the operator's integrity management program, often every 5-10 years.
During a test, the pipeline is isolated, monitored for pressure changes, and inspected for leaks. Safety zones are established, and emergency response plans are in place.
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