Arroyo Seco Foundation (ASF) and the Pasadena Audubon Society to File Suit on Environmental Impact of Plans to Scour Basin Behind Devil’s Gate Dam in Hahamongna

Representatives of the Arroyo Seco Foundation (ASF) and the Pasadena Audubon Society (PAS) say they are filing a lawsuit challenging the LA County Flood Control District’s program to scour the basin behind Devil’s Gate Dam in Hahamongna Watershed Park in Pasadena.
The lawsuit hopes to challenge the environmental impacts of the Flood Control District’s Big Dig program, which would involve 150,000 diesel trucks removing more than 2.4 million cubic yards of sand and sediment from the basin behind Devil’s Gate Dam over a five year period and permanently degrading more than 50 acres of stream zone habitat there. The massive nature of the sediment trucking program has raised serious concerns over air pollution, traffic and public health.
“The Flood Control District’s Big Dig plan ignores overwhelming community support for a more moderate and less destructive approach to removing the sediment that has accumulated behind Devil’s Gate Dam over many decades,” said Tim Brick, ASF Managing Director. Laura Garrett, PAS Conservation Chair, said, “We can protect the habitat, wildlife and recreational activities at Hahamonga, while providing a safe level of flood protection. Pasadena’s recommendations and the scores of comments offered during the Environmental Impact Report process demonstrate that.”
The Flood Control District’s program and the related EIR were formally approved by the LA County Board of Supervisors on November 12 by a 4-1 vote, with County Supervisor Yaroslavsly dissenting.
Attorneys Mitchell M. Tsai and Christina M. Caro will represent ASF and PAS in the matter and filed the papers Wednesday.

Photo by Terry Miller

Photo by Terry Miller

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