A Sonoma County building materials company known to tout its environmentally-friendly endeavors is facing an $8.6 million fine for polluting salmon habitat. … In mid-September, the North Coast Regional Water Quality Control Board recommended a record-breaking fine against BoDean for allegedly allowing over 10.5 million gallons of silt-tainted water to run off its 120-acre Mark West Quarry into crucial salmon habitat during rainstorms in the winter of 2018-19 and then failing to adequately reform its storm water management practices in the intervening five years.