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Humboldt Waterkeeper shows sea-level rise viewer, contaminated-sites mapping and water-trails map
Summary
Humboldt Waterkeeper representatives demonstrated a public web map showing 1‑meter and 2‑meter sea‑level scenarios, digitized contaminated‑site sampling and a geo‑referenced Humboldt Bay water‑trails map; presenters said maps are free to use and can be updated quickly to add safety information.
Jen Kalt and a Humboldt Waterkeeper GIS analyst, Sylvia, presented the group’s programs and two public mapping tools to the board and audience.
Kalt described Waterkeeper’s long-running water‑quality and toxics work — including a decade of digitizing sampling results and mapping known or suspected dioxin and pentachlorophenol ("penta") contamination sites around Humboldt Bay — and noted the group’s role in earlier…
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