Alpine County: lake and river algae advisories

19 waters in Alpine County appear in the state's harmful algal bloom records. Waters whose latest record is an advisory come first.

Waters in Alpine County and what the state's latest record says
WaterLatest record
Arnot CreekCaution advisory, last posted Aug 12, 2021. No all-clear recorded.
Charity Valley CreekCaution advisory, last posted Jul 16, 2021. No all-clear recorded.
Heenan ReservoirCaution advisory, last posted Oct 26, 2022. No all-clear recorded.
Hot Springs CreekGeneral awareness, last posted Mar 28, 2024. No all-clear recorded.
Indian Creek ReservoirDanger advisory, last posted Sep 2, 2026. No all-clear recorded.
Red LakeWarning advisory, last posted Oct 16, 2026. No all-clear recorded.
Red Lake CreekAlgal mat alert sign, last posted Sep 5, 2025. No all-clear recorded.
Bryant CreekThe state's latest record, from Oct 11, 2023, recommends no advisory.
Elbow CreekThe state's latest record, from Jun 26, 2025, recommends no advisory.
Forestdale CreekThe state's latest record, from Oct 11, 2023, recommends no advisory.
Indian CreekThe state's latest record, from Sep 1, 2023, recommends no advisory.
Leviathan CreekThe state's latest record, from Sep 1, 2023, recommends no advisory.
Pacific CreekThe state's latest record, from Jul 9, 2025, recommends no advisory.
Spratt CreekThe state's latest record, from Sep 5, 2025, recommends no advisory.
Summit LakeThe state's latest record, from Aug 14, 2020, recommends no advisory.
Tamarack LakeThe state's latest record, from Aug 31, 2021, recommends no advisory.
Unnamed pondThe state's latest record, from Aug 19, 2024, recommends no advisory.
West Fork Carson RiverThe state's latest record, from Oct 15, 2025, recommends no advisory.
Wet Meadows ReservoirThe state's latest record, from Aug 31, 2021, recommends no advisory.