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HARRISBURG, Pa. (AP) – The builder of a natural gas gathering pipeline system in southwestern Pennsylvania is agreeing to a $1.5 million fine for failing to prevent sedimentation and erosion into streams during construction.

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The consent agreement between the state Department of Environmental Protection and Rice Midstream Holdings was released this week.

The six-page agreement cites instances going back to 2017 in construction on the 7.5-mile Beta Trunk Pipeline, which was designed to ferry natural gas from wells to bigger transmission pipelines.

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The agreement says Rice Midstream Holdings failed for months to maintain or even install some erosion controls. In one case, it created a “soil stockpile” in a wetland.

The pipeline is now owned by Equitrans Midstream Corp., but the Department of Environmental Protection says the violations began before the sale.

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