By Sig Anderman
Blue Rock and Canyon Rock quarries, operating on opposite sides of the road along Scenic Highway 116 a half-mile west of downtown Forestville, have both applied to the County for major expansions. Blue Rock has asked for re-zoning and permits to expand its current 32-acre mining operation by 22 acres, and increase production from approximately 150,000 cubic yards a year to 400,000. Canyon Rock has asked to expand its current 58-acre operation by a total of 83 acres along Martinelli Road, and/or 30 acres along Highway 116. If granted, the requests would more than double the surface areas being mined, significantly increase the volume of gravel being extracted and shipped, and extend the mining operations for at least another 20 years.
An environmental impact report will be issued soon for the requested Blue Rock expansion, at which time input from concerned citizens will be accepted. We will also be discussing these projects at our town meeting on October 4.
In addition to the obvious, but hard to "value," visual and noise impacts of the quarries, the proposed expansions, if permits are granted, will have at least three significant impacts on the people who live in and visit Forestville.
Traffic
Based on county studies, up to 700 single and double trailer trucks go to or from the quarries every day, each causing 10,000 times the roadway wear and tear per trip compared to a typical automobile. A high percentage of those trucks go through downtown. Others go down Mirabel Road. Many go past the elementary school or the Youth Park. Traffic will increase substantially if the expansions are approved.
Health Impacts
One of the most dramatic impacts of the quarries is the increased risk of illness caused by truck diesel emissions. For a one week period between July 27 and August 2, 2000, Dr. Phyllis Fox, an air quality expert, placed measuring devices along Gravenstein Highway at the west end of town and in front of the elementary school. She found that the increase in cancer risk will be significant. Adults living or working along the haul routes east of the proposed new quarry will incur a lifetime increase in the risk of contracting cancer eighteen (18) times the maximum threshold identified by Proposition 65 and the California Environmental Quality Act. Children who live and attend the Forestville Elementary School will incur a lifetime increase in the risk of contracting cancer twelve times the maximum threshold identified for purposes of Proposition 65 and the California Environmental Quality Act. Extending operations for another 20 years can only make things worse.
Fish and Wildlife
Several residents have reported that Tilton Creek was, until quarry spills began approximately 3 years ago, a year-round creek. Other long-time residents remember when Green Valley Creek, one of the last spawning grounds of the endangered Coho Salmon, still had fish in it. Now, after years of quarrying, they are almost gone. Expanding the quarries could seal their fate.
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