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The original item was published from 3/23/2023 9:50:57 AM to 4/17/2023 12:05:00 PM.

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Water - News

Posted on: March 28, 2023

[ARCHIVED] Raising of Portage and Base Line Lake Level

Text " Rising of Portage and Base Line Lake Levels"



Scott Miller, P.E. Deputy Water Resources Commissioner

Phone: 734-222-6860

Email: [email protected]

Raising of Portage and Base Line Lake Level


Ann Arbor, MI.: The lake level at Portage and Base Line Lakes will be raised beginning on April 4, 2023. Portage Lake (Flook Dam) 2 5-2022

The lakes will reach their legally established summer level by April 14, 2023, weather conditions permitting, according to Deputy Water Resources Commissioner Scott Miller, P.E.

Each winter, the lake level is lowered to reduce ice damage and erosion on the lake shore.

More information can be found at

Our Mission: We seek to inspire the residents and communities of Washtenaw County to protect surface water and the environment while maintaining necessary drainage. Within the authority granted to our office, we provide resources to reduce flooding, dispose of home toxics, and improve water quality.

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