Delivering reliable and clean water.

Missouri River Intake Structure in Washburn, North Dakota

Northwest Pipe Company has a long and successful track record of manufacturing water transmission pipe that brings water to communities across North America. We are committed to leveraging our prominent position in water infrastructure by bringing new technologies that promote environmental sustainability.

Our environmental and energy transition efforts focus on lowering the carbon intensity of our operations, building a lower carbon business, supporting well-designed climate policy, and improving water management. As a manufacturer of water-related infrastructure products, our Company is committed to providing water to communities with the intent of improving environmental and public health outcomes. With climate change disrupting weather patterns and causing long-term drought in regions where water has previously been more available, responsible resource management and reliable water transmission is becoming even more crucial. Increasingly stringent regulations are driving demand for water infrastructure products that ensure effective and cost-efficient environmental compliance.

Our Company’s engineered solutions support new construction as well as critical modernization projects that replace or rehabilitate aging infrastructure. With all projects, our goal is to support communities by minimizing water loss and driving efficiency in water conveyance, management, and treatment.

Steel pipe being installed in trench; concrete pipe with yellow liner being installed in trench

Recent Projects
  • Pure Water San Diego Program – Pure Water San Diego is the City of San Diego’s phased, multi-year program that will provide nearly half of San Diego’s water supply locally by the end of 2035. This project uses proven water purification technology to clean recycled water to produce safe, high-quality drinking water. The Program offers a cost-effective investment for San Diego’s water needs and will provide a reliable, sustainable water supply.
  • Navajo-Gallup Water Supply Project – Located in northwest New Mexico, this project will provide a sustainable water supply for approximately 250,000 people by conveying water from the San Juan River to the eastern section of the Navajo Nation. For many people living in these communities, it is the first time they will have access to clean water within their communities and not need to bring in water from outside sources. This project contributes to the livability and vitality of the Jicarilla Apache Nation and the City of Gallup by providing a reliable source of water.
  • Pensacola MarineMax – Located on Channel Harbor, MarineMax features a showroom, service center, and launch and stow facilities. ParkUSA teamed with marine engineers to design a new wash rack sump system that treats runoff from the boat wash bays that might otherwise discharge directly into the environmentally sensitive Pensacola Bay and the Gulf of Mexico. This system incorporates a Fox Valve diversion system that directs wash water and first flush water to an evaporator, while allowing rainfall runoff to safely drain into the environment. Given the unavailability of a sanitary sewer, an evaporator provides a suitable alternative for wastewater treatment and disposal. This evaporator incorporates an onboard oil and solids separator to pretreat the water, which then is boiled and turned into steam for disposal onsite.
  • 950 N Trunkline – The Central Davis Sewer District is expanding its sanitary system with 3,400 LF of corrosion-resistant Perfect Pipe (HDPE-lined RCP) manufactured by Geneva Pipe and Precast, a Northwest Pipe Company, ensuring a long-lasting and durable wastewater solution for the growing community in Davis County, Utah. High groundwater was a concern for this project, which can lead to infiltration, reducing the capacity of the pipeline and increasing the risks of sewer system overflows into homes and waterways. Perfect Pipe’s weld-free watertight joints prevent infiltration, helping to protect communities and the environment from hazardous overflows.
Ongoing and Future Efforts
  • GHG Emissions Inventory – Northwest Pipe is working with a third-party consultant to collect and analyze each plant’s Greenhouse Gas (GHG) emissions. Although this program is still in its early stages, the inventory will serve as a valuable baseline.
  • Establish Climate-Related Disclosures – We are committed to developing climate-related disclosures in accordance with the recommendations of the Task Force on Climate-Related Financial Disclosures.
  • Capital Improvements – Many of our capital improvement projects focus on improving the quality of the work environment for our team, including projects that simultaneously share a sustainability component, such as improved ventilation systems or particulate release and emission reduction projects.
  • Lean – We are dedicated to reducing waste in our operations and employ lean manufacturing practices intended to eliminate waste and optimize processes. Plants share their success with monthly reports distributed throughout the Company.
  • Recycled Materials – The most used materials in our manufacturing processes are steel and precast concrete—both are made with highly-recyclable natural resources. We procure and work with tons of recycled materials, produce minimal waste during operations, and recycle any remaining materials.
Supplemental Materials