From Allegheny-Blur Ridge Alliance ABRA Update #250, October 24, 2019:
A new study commissioned by Trout Unlimited concludes that the impact on water quality of several natural gas pipeline projects in the Appalachian region is profound, even when care is taken to minimize impacts. Pipeline Impacts to Water Quality, prepared by Downsteam Strategies, a West Virginia environmental research firm, examined the construction of four pipeline projects: Mountain Valley Pipeline (MVP) and WB Xpress Pipeline (WBX) in West Virginia and Virginia, the Rover Pipeline in West Virginia and Ohio, and the Mariner East II Pipeline in Pennsylvania. The most significant water quality problems were caused by inputs of sediment-laden water to streams.
In commenting upon the sediment pollution caused by the MVP and WBX, the study notes, “Most of the routes for these two pipelines cross mountainous terrain characterized by steep slopes, headwaters streams, and highly erodible soils. Reasons for failure of erosion and sedimentation controls that led to sedimentation in waterways were notably improper installation and lack of maintenance of the structures.”
Notable recommendations in the study include “requiring site-specific stormwater plans for all stream and wetland crossings, encouraging companies to complete construction projects in shorter sections, and increasing regulatory inspections at the expense of the pipeline companies.”
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