Description
The Navajo Nation Department of Water Resources is seeking a qualified design‑build contractor to engineer, demolish, and reconstruct the Tohatchi diversion dam and related water‑control structures. The effort includes complete engineering design, permitting, construction of a concrete diversion dam with modern operable gates, sediment‑ and erosion‑control measures, and a one‑year warranty on primary components. Proposals must be submitted in person or by sealed mail, with separate technical and cost envelopes, by the May 22 2026 deadline.