Tanwax Lake
Reservoir in Washington · 189 acres · near Clear Lake, Kapowsin
Tanwax Lake has 1 boat ramp listed as public.
Past algal blooms
Harmful algal blooms reported on this water (state reports compiled by U.S. EPA): 2017, 2021, 2024 and 2026.
state reports compiled by U.S. EPA · checked October 18, 2026
Depth contours in feet from Washington Ecology; deepest point about 30 ft. Lake levels and bottoms change; not for navigation.
Launches
- Tanwax Lake Boat Launch · Boat ramp · near Clear Lake
Wikidata: Q49702888