Photos

Check out our collection of photos capturing the construction of the Blackwater CSO Tunnel:

MOBILIZATION & GROUNDBREAKING CEREMONY

Blackwater CSO Tunnel 1.jpg
Blackwater CSO Tunnel 2.jpg
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COL_WR_cso-groundbreaking_IMG_5516_jjq.jpg
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EXCAVATION OF 7TH STREET SHAFT

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2-10-25 LYHBeyond Drilling.jpeg
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3-19-25 LYHBeyond Tunnel Excavation 2.jpg
3-19-25 LYHBeyond Tunnel Excavation 3.jpg

EXCAVATION OF TUNNEL

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4-2-25 LYHBeyond Tunnel Excavation.jpg
4-3-25 LYHBeyond Tunnel Excavation 2.jpg
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4-14-25 LYHBeyond Tunnel Excavation 2.jpg
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4-22-25 LYHBeyond Tunnel Excavation 2.jpg
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4-23-25 LYHBeyond Tunnel Excavation 2.jpg
4-23-25 LYHBeyond Tunnel Excavation 3.jpg
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5-23-25 LYHBeyond Tunnel Excavation.jpg

TUNNEL TOURS | MAY 29, 2026

Guests of the Tunnel Tours walk past equipment in the excavated tunnel path.
Inside the Blackwater CSO Tunnel looking toward the beginning of the excavated path.

Visit our LYHBeyond homepage to learn more about this project!