Yuba County: lake and river algae advisories

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

Waters in Yuba County and what the state's latest record says
Water	Latest record
Ellis Lake	Caution advisory, last posted Sep 24, 2026. No all-clear recorded.
Lake Mildred	Caution advisory, last posted Nov 17, 2020. No all-clear recorded.
New Bullards Bar Reservoir	Caution advisory, last posted Jul 26, 2024. No all-clear recorded.
North Yuba River	Caution advisory, last posted Sep 17, 2026. No all-clear recorded.
Slate Creek	Caution advisory, last posted Aug 12, 2021. No all-clear recorded.
Englebright Lake	The state's latest record, from Aug 22, 2019, recommends no advisory.
Prairie Creek	Reports on file, with no advisory level the state has classified.