Current Cyanobacteria Advisories A recent DEQ sampling of Devils Lake found a microcystin level of 0.18 ug/L. Based on Oregon Health Authority’s 2026 pilot protocol, we are placing recreational “precautions” on waterbodies that have…
Devils Lake Dredging ProjectNov. 19, 2025 - Devils Lake Water Improvement District has submitted an application that involves activity in a wetland or waterway to the Department of State Lands. This project is to remove 2000 cubic yards of sand deposited from king tides at the SW end of Devils Lake (where the lake ends and D-River begins) to increase flow, help with area flooding, support migration of salmon, and make this area recreational again. Public comment is open until December 18, 2025. You can make a public comment to DSL here: Public Comment for Devils Lake Dredging Project.
Devils Lake Submerged Aquatic Vegetation UpdateAs many lake residents may recall, grass carp were once used to control the overgrowth of submerged aquatic vegetation (SAV) in Devils Lake. However, most if not all of the sterile planted grass carp…
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