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Ann Arbor
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Stormwater Comprehensive Plan

Ann Arbor

Summary

The city is finishing its first-ever comprehensive stormwater plan, a 50-year framework covering flooding, water quality and climate resilience. About 70% of the city lacks stormwater detention and impervious surfaces are near 40%, so future redevelopment will be a key tool.

At a glance

Total mentions
1
Last 30 days
1

Discussed at 1 meeting in the last 60 days; most recently Oct 20, 2026.

Impact analysis

💰Financial impact

No specific cost figures given, but the framework will guide future capital investments and a UDC update.

✅Who benefits

Residents in flood-prone areas and the whole city as drainage and water quality improve over time.

Mentions & discussions (1)

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