Under constructionWater & utilities

Mill Creek flood-relief tunnel

Early 2029

Dallas

Approximate location

A 5-mile storm tunnel about 100 ft underground from near downtown to south of Fair Park; after delays the city expects substantial completion in 2028 and full completion in early 2029.

Why it mattersLess street and property flooding in East Dallas once it carries water.
Status
Under construction
Expected
Early 2029
Category
Water & utilities
Last checked
Oct 19, 2026

Timeline

  1. Added to the Realust tracker as Under construction.
  2. Reported by Underground Infrastructure. Source

Source

Underground Infrastructure, January 21, 2026

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