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Big Valley Band of Pomo Indians details Clear Lake HAB monitoring, reports toxins in water and fish
Summary
Big Valley Band of Pomo Indians described a tribal‑led Clear Lake monitoring program that began in 2014, documented high microcystin detections in ambient water and fish tissue, found cyanotoxins in some private tap water intakes, and has used signage, community outreach and partner research to inform public health and tribal food‑safety decisions.
Sarah Ryan, environmental director for the Big Valley Band of Pomo Indians, described a tribal‑led monitoring program on Clear Lake and its tributaries that began in 2014 after unusually high toxin detections and community concern. "We started a Clear Lake cyanobacteria task force" and expanded sampling, Ryan said, adding that tribal partners initially used field test strips and microscopy and later sent samples for lab analysis of multiple cyanotoxins.
Ryan presented laboratory results the tribe collected over multiple years, including early analyses she described…
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