TUBA CITY WASTEWATER TREATMENT PLANT IMPROVEMENTS PROJECT

The Navajo Tribal Utility Authority is seeking a contractor to design‑build a new 1‑MG‑day wastewater treatment plant in Tuba City, AZ, including demolition of existing facilities, all civil, mechanical, electrical, and instrumentation work, and associated site utilities. The scope covers headworks, pump stations, aeration basins, digesters, blower building, sludge dewatering and drying, UV disinfection, administrative building with laboratory, and full site grading, utilities interconnections, and fencing. Preference will be given to qualified Indian‑owned businesses; bidders must submit evidence of Preference Priority Certification. Bids are due electronically (or hand‑delivered) by 4 p.m. DST on 24 Nov 2026. Key points: • Full design‑build construction of a new 1 MGD wastewater treatment plant, including demolition and site work. • Comprehensive civil, mechanical, electrical, and instrumentation responsibilities – from pump stations to UV disinfection and sludge handling. • Indian‑owned business preference with required certification; no contract value disclosed.