His death was ruled an accident, according to the Snohomish County Medical Examiner's Office.
Police believe Grimes was fishing when he somehow ended up in the water. His boat also was recovered.
The investigation continues.
More Local News Headlines
Three weeks out, only four 911 texts have been valid County deputy director named president of state engineers association Accident victim has endured, thanks to his family, police officer Crews try to save man pulled from Stillaguamish River 4:03 p.m. State’s oldest full-time worker on the job at EdCC Lord Hill levee repairs to start July 29 Less than a week before election, only 9.1 percent of ballots returned Red Cross on the lookout for heroes
Our new comment system is not supported in IE 7. Please upgrade your browser here.