David (Dave) Brostrom, 75, died June 19, 2025. He was born March 15, 1950 to Marian and Donald Brostrom. He was a graduate of Macalester College and the University of Minnesota, where he obtained his master’s degree in geography.

Dave served on the team of the Minnesota Department of Natural Resources to address pollution in Lake Superior. After a long court battle, the State of Minnesota prevailed against the Reserve Mining Company, winning a landmark legal decision that set the precedent that the government could regulate pollution.

For the rest of his career, Dave worked independently on environmental projects, especially clean drinking water.

He volunteered at St. Anthony Park Lutheran Church, where he served as congregational president.

Dave is survived by his wife Sue, daughters Carolyn (Rory) Philstrom and Anna (Eric) Christen, four grandchildren, brother John (Stephanie), and sister-in-law Karen Brostrom. He was preceded in death by his parents and brothers Jim and Dennis.

A funeral service was scheduled for 2 p.m. on Saturday, July 26, at St. Anthony Park Lutheran Church, 2323 Como Ave., St. Paul, with visitation one hour prior. Memorials preferred to St. Anthony Park Lutheran Church, Friends of the Mississippi River or donor’s choice.