NWPX Infrastructure Publishes Verified Environmental Product Declaration for Water Transmission System Pipe

Rhea-AI Summary

NWPX Infrastructure (Nasdaq: NWPX) published a third-party verified Environmental Product Declaration (EPD) on Oct 15, 2025 covering its cement-mortar-lined spiralwelded steel water transmission pipe produced under the Northwest Pipe Company brand.

The EPD, developed to international standards and independently reviewed, quantifies embodied carbon and lifecycle environmental impacts, references AWWA Manual M11 production, and notes Multisite ISO 9001:2015 certification. The company plans to integrate the EPD into commercial bids to help engineers, contractors, and municipalities meet sustainable procurement requirements including Buy Clean California and evolving state/federal reporting standards.

Supports resiliency and state required reporting transparency into environmental impacts of manufacturing the Company's water transmission systems.

VANCOUVER, Wash., Oct. 15, 2025 /PRNewswire/ -- NWPX Infrastructure, Inc. (Nasdaq: NWPX), a leading manufacturer of water-related infrastructure products, today announced the publication of its first third-party verified Environmental Product Declaration (EPD) covering its cement-mortar-lined welded steel pipe.

Produced under the Northwest Pipe Company brand, the cement-mortar-lined spiralwelded steel pipe is produced in accordance to AWWA Manual M11 at facilities holding an International Organization for Standardization (ISO) Multisite ISO 9001:2015 Certification.

Developed in accordance with international standards and independently reviewed, the EPD provides transparent data on the lifecycle environmental impacts of the Company's water transmission systems. By quantifying embodied carbon and other key indicators, the EPD equips engineers, contractors, and municipalities with credible information to support sustainable procurement, meet Buy Clean California requirements, and comply with evolving state and federal environmental reporting standards.

The Company intends to differentiate its marketing of water transmission systems by integrating the EPD into the commercial bidding process for customers and project owners, usually municipalities, responsible for navigating environmental criteria within their broader infrastructure planning.

"Our Company has a growing commitment to sustainability and corporate responsibility," states Scott Montross, President and CEO of NWPX Infrastructure. "For decades, our water transmission systems have delivered essential water to communities across North America. Now we are able to provide additional transparency into the environmental impacts of these critical infrastructure products."

About NWPX Infrastructure – Founded in 1966, NWPX Infrastructure, Inc. is a leading manufacturer of water-related infrastructure products. Under the Northwest Pipe Company brand, the Company is the largest manufacturer of engineered water transmission systems in North America and produces steel casing pipe, bar-wrapped concrete cylinder pipe, and pipeline system joints and fittings. The Company also provides solution-based products for a wide range of markets including high-quality reinforced precast concrete products and lined precast sanitary sewer system components, which are manufactured under the NWPX Geneva brand, as well as water distribution and management equipment including pump lift stations, wastewater pretreatment, and stormwater quality products through the NWPX Park brand. Strategically positioned to meet growing water and wastewater infrastructure needs, the Company's skilled team is committed to quality and innovation while upholding its core values of accountability, commitment, and teamwork. Headquartered in Vancouver, Washington, NWPX Infrastructure operates 13 manufacturing facilities across North America. For more information, please visit www.nwpx.com.

Contact:
Aaron Wilkins
Chief Financial Officer
NWPX Infrastructure, Inc.
360-397-6294 • awilkins@nwpx.com

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SOURCE NWPX Infrastructure, Inc.

FAQ

What did NWPX (Nasdaq: NWPX) announce on Oct 15, 2025 about its water transmission pipe?

NWPX announced a third-party verified EPD for its cement-mortar-lined spiralwelded steel pipe, quantifying lifecycle environmental impacts.

How does the NWPX EPD help municipalities and project owners?

The EPD provides verified embodied carbon and lifecycle data to support sustainable procurement and compliance with environmental reporting rules.

Does the NWPX pipe EPD reference manufacturing standards or certifications?

Yes; production follows AWWA Manual M11 and facilities hold a Multisite ISO 9001:2015 certification.

Will NWPX (NWPX) use the EPD in commercial bidding processes?

Yes; the company intends to integrate the EPD into commercial bids to differentiate its water transmission system offerings.

Can the NWPX EPD support compliance with Buy Clean California for contractors?

Yes; the verified EPD supplies the environmental metrics contractors and municipalities need to meet Buy Clean California criteria.

Who is the target audience for NWPX's EPD information?

Engineers, contractors, municipalities, and project owners responsible for procurement and environmental reporting for water infrastructure projects.