Project Archive

Featured Project

Wylie Water Treatment Plant – BAF Package 2

To support an expansion of the Wylie Water Treatment Plant, Northwest Pipe Company supplied 873 LF of 96-inch and 204 LF of 120-inch spiralweld steel pipe, including three InfraShield® joints used at vault wall penetrations.

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Davis Aqueduct Reach 1 Parallel Pipeline Project

Water Transmission

The Davis Aqueduct Reach 1 Parallel Pipeline project adds a new large-diameter steel conveyance line to Weber Basin Water Conservancy...

InfraShield® Joint System, Engineered Steel Water Pipe

11800 South Sewer Upsizing Project

Sanitary Sewer

The Jordan Basin Improvement District is increasing wastewater capacity along 11800 South with 74 Perfect Lined Manhole Systems supplied by NWPX Geneva. Designed to meet the District’s acid-resistant standards, the lined manholes provide permanent corrosion protection to support long-term system performance.

Perfect Lined Manhole System

Kings Bluff Raw Water Transmission Main – Phase 2

Water Transmission

Phase 2 of the Kings Bluff Raw Water Transmission Main extends the regional system with seven miles of 54-inch steel pipeline, including a complex crossing beneath the Cape Fear River. Northwest Pipe Company supplied the spiralweld steel pipe for the project, which supports expanded capacity and resilient raw water delivery for communities in Southeastern North Carolina.

Engineered Steel Water Pipe

Wildcat Interceptor Sewer Upsizing Project

Sanitary Sewer

The City of Flagstaff is upgrading its sanitary sewer system with corrosion-resistant infrastructure to support increased wastewater conveyance capacity, including 18 – 84" Perfect Lined Manhole Systems supplied by NWPX Geneva.

Perfect Lined Manhole System

Merrill Road Widening and Utilities Project

Stormwater Management

NWPX Geneva supplied 2,400 LF of 54-inch reinforced concrete pipe (RCP) and precast vaults for a dual 1,200 LF storm drain as part of the roadway infrastructure expansion. The RCP was produced at NWPX Geneva’s fully automated dry cast plant in Salt Lake City, and the large precast vaults and manholes were manufactured locally at Geneva’s plant in St. George, supporting coordinated production and on-time delivery for the project.

RCP, Vaults, Manholes

3000 E Storm Drain Outfall – 1140 S to Merrill Road

Stormwater Management

Geneva Pipe and Precast supplied 3,145 feet of 10'x6' and 53 feet of 16'x4' reinforced concrete box culvert for the 3000 East Storm Drain Outfall in St. George, Utah. This privately funded upgrade expands the city’s stormwater system to support major retail and residential development.

Box Culverts

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