A mechanical failure during last week’s emergency repair work to a damaged Humboldt Bay Municipal Water District (HBMWD) transmission pipeline caused chlorinated water to spill into Janes Creek, resulting in the death of more than 250 fish, including trout, sculpin and Coho salmon, according to district staff.Contractors for the HBMWD had almost finished repairing a major water transmission line last Tuesday evening when the spill occurred, according to General Manager Michiko Mares. She explained that a temporary pipeline had been installed to drain chlorinated water from the pipe as part of the disinfection process that’s performed prior to bringing the transmission pipeline back into service. The temporary line ruptured, causing roughly 13,500 gallons of chlorinated water to flow into Janes Creek over a 15-minute period, Mares said.District employees promptly notified the appropriate regulatory agencies, Mares said, including the California Office of Emergency Services, the North Coast Regional Water Quality Control Board and the Humboldt County Division of Environmental Health, which serves as our region’s Certified Unified Program Agency (CUPA).Keep Reading
