Northwest Pipe leads the industry in providing innovative solutions in a variety of built and municipal applications.

applications water transmission pipes being placed

Water Transmission

Northwest Pipe Company is the most experienced manufacturer of engineered water transmission systems in North America. Bar none.

canyonlandsculvert tunnelinstall


We manufacture products to support improvements to American infrastructure and have completed hundreds of projects for regional water authorities and municipalities.

applications trenchless perm in ground install

Trenchless Technology

Northwest Pipe is moving the minimally invasive installation market forward with multiple microtunneling and jacking pipe options.

applications stormwater

Stormwater Managment

The high-strength and durability of precast concrete make it an ideal material for stormwater pipe, culverts, and basins, which are custom manufactured for optimum performance above- and below-ground.

applications sewers industrial photo

Sanitary Sewer

Offering high strength and durability at competitive costs, precast concrete sanitary sewer systems are the best option for a long-term solution.

applications gravity fed low pressure

Gravity Fed Low Pressure

Relying on gravity to move water or wastewater, low pressure piping is ideal for many municipalities and irrigation systems.

applicationsrehabilitation metro water district second  lower feeder crane


Rehabilitation of water or wastewater pipe offers a cost-effective alternative to full pipeline replacement.

elevated steel pipeline through trees


Steel Pipe Strength for Industrial Applications