The Boulder County Transportation Department has turned over the responsibility of the Ditch and Reservoir Directory to the St. Vrain and Left Hand Water Conservancy District. They will be gathering the updates and publishing the Ditch and Reservoir Directory.

Ditch & Reservoir Directory

Questions, corrections contact the St Vrain and Left Hand Water Conservancy District at 303-772-4060 or email office@svlhwcd.org.

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Transportation Department

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2525 13th Street
Boulder, CO 80304

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Hours: 8 a.m. - 4:30 p.m. M-F

Mailing Address

P.O. Box 471
Boulder, CO 80306