30,000 fish killed in ‘die-off’ at St. Vrain State Park east of Longmont
- Posted on August 19, 2026
- By The Denver Post
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- 1 min read
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30,000 fish killed in ‘die-off’ at St. Vrain State Park east of Longmont
The fish in Sandpiper Pond, on the northeast side of the park, likely died from a lack of oxygen in the water, according to a park administrator.
