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Scott County panel outlines watershed projects, arsenic testing and zebra‑mussel detection
Summary
County staff presented Watershed Management Organization findings and capital projects to reduce sediment in Sand Creek, described bioengineered 'log‑jam' approaches, highlighted arsenic prevalence in private wells and available treatment grants, and confirmed zebra mussels were found in Cedar Lake.
Scott County water‑resource staff briefed the Board of Commissioners on Dec. 4, 2025, describing ongoing watershed work, capital projects to reduce sediment, groundwater testing and mitigation, and aquatic invasive‑species prevention.
Panelists said project selection is guided by watershed monitoring and comprehensive plans; they cited the Bridal Sand Creek area as a high‑sediment contributor identified in monitoring and a 2015 feasibility study. Ryan Holzer, the county’s water resources scientist, described construction techniques used in bluff and stream‑bank stabilization projects, saying "the easiest way to describe it ... is if you remember Lincoln logs" as a shorthand for stacked, anchored timber structures that are then vegetated for long‑term stability.
Staff explai…
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