RELATED: The North Bay Wildfires One Month Later
Officials in Sonoma County say they have worked hard to prepare for the rain as they try to avoid erosion, toxic runoff and flash flooding.
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They have placed straw wattles and sandbags around storm drains to keep debris from getting into the watershed. They are asking residents to keep a watch during the rain -- to report if any drains become clogged. They will be testing the run off from the storm to find out if it has toxic waste in it from all the household items and cars that burned.
360 PHOTOS: Devastation caused by wildfires in Sonoma, Napa
The last storm wasn't strong enough to give them anything to sample so this will be the first test. They are also worried about erosion from burned out hillsides that no longer have vegetation and warn this could create flash flooding.
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A task force has been created with local, state and federal officials to monitor all these potential issues.
Click here for a look at more stories and videos about the North Bay fires.
BEFORE AND AFTER: Neighborhoods devastated by wildfires
BEFORE AND AFTER: North Bay neighborhoods devastated by wildfires