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Updates
November 1, 2024: Harmful algal bloom (HAB) and E. coli monitoring update
Recreational water quality monitoring has ended for the season. Monitoring will resume in summer 2025. Harmful algal blooms can occur year-round, so know what to look for and always check before recreating.
July 3, 2024: Harmful algal bloom (HAB) monitoring update
GOOD NEWS: Our monitoring team did not see any visible signs of a harmful algal bloom.
Learn more about harmful algal blooms.
June 28, 2024: Harmful algal bloom (HAB) monitoring update
BE CAREFUL: Our monitoring team saw visible signs of harmful algae at Little Dell Reservoir. There could be algae in the water producing dangerous toxins. We collected samples and results are pending. Check back here for updates.
In the meantime we recommend:
- Avoid areas of algae when boating
- Clean fish well and discard guts
- Don’t get reservoir water in your mouth
- Know how to recognize a harmful algal bloom