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Water Level StatusNo source
We haven't found a reliable water-level source for Base Line Lake yet. Weather, wind, and the sailing score still work.
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Lake guide
Ramps
Charts
Depth chartMax depth 64 ft · i-Boating Interactive Chart
OpenContact & rules
Portage / Base Line Lakes — Washtenaw CountyMichigan DNR rules & park regulations
OpenBoating & yacht clubs
MS
Michigan Sailing ClubAll-volunteer dinghy club on Base Line Lake at Dexter (UM affiliate) · Melges 15 / Laser / Sunfish / 470 / Flying Dutchman fleet · 2026 regattas Frostbite Apr 26 → Bone Chiller Oct 25
VisitAbout Base Line Lake
Base Line Lake is a 254-acre natural lake in Michigan, managed by Michigan DNR. Lakebrief does not have a real-time water-level feed for this lake; the dashboard reports wind and weather only. The main public launch is Portage Lake Boat Launch (Michigan DNR — Huron River chain access) at MacGregor Rd, Pinckney, MI 48169. The Michigan Sailing Club is the active sailing club on the water.