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NorthWestern Energy closes Hebgen Reservoir Rainbow Point area after toxic algal bloom detected

PUBT·07/30/2026 22:59:48
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NorthWestern Energy closes Hebgen Reservoir Rainbow Point area after toxic algal bloom detected
  • NorthWestern Energy closed the Rainbow Point area of Montana’s Hebgen Reservoir to water-based activities due to a harmful algal bloom.
  • Monitoring detected elevated anatoxin-a toxin levels in the area, raising health risks for people, pets, and livestock.
  • Corey Springs remained under warning-level restrictions with lower anatoxin-a concentrations; Savage Bay stayed open under increased observation.


Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Northwestern Energy Group Inc. published the original content used to generate this news brief on July 30, 2026, and is solely responsible for the information contained therein.