Joint Water Commission Water Treatment Plant Expansion

The Joint Water Commission is expanding their current water treatment plant located in Forest Grove, Oregon. JWC is the primary drinking water supplier in Washington County, Oregon and is responsible for treating, transmitting, and storing portable water for over 350,000 customers. The purpose of this expansion is to accommodate growing communities in Washington County. The…

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Spokane River Side Park Water Reclamation Facility

Slayden and MWH Constructors worked with the City of Spokane to achieve major upgrades to their Riverside Park Water Reclamation Facility. The upgrade included a Next Level of Treatment (NLT) – a new membrane filtration system that significantly improved the quality of effluent released into the Spokane River. The primary reason for the NLT was…

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Hermiston Recycled Water Plant Improvements

The City of Hermiston prioritized this $18M DBB project that removed a persistent pollutant in its effluent and improved the water quality for residents. It integrated a new 6 MGD membrane filtration system into an existing 2 MGD. It also included upgrades to the existing headworks structure including new screens and a new fine screen…

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Medford RWRF Cogen

The Regional Water Reclamation Facility was originally constructed in 1969 and provides sewage treatment for Medford, Central Point, Phoenix, Talent, Jacksonville, Eagle Point, and White City. The RWRF was phased construction of improvements to expand the RWRF to comply with discharge standards and provide increased capacity for regional growth. Current capacity is 20 MGD dry…

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Minto Adult Fish Collection Facility

This project was an existing site of an out dated fish collection facility used to trap and haul Endangered Species Act listed fish around Detroit and Big Cliff dams on the right bank of the North Santiam River near Gates, OR. This high-profile project between State Hwy 22 and the North Santiam River required close…

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Medford RAS System Improvements

This project served the City of Medford by more than doubling their capacity to handle the secondary waste water process. The job consisted of demolition and re-installation of mechanisms on (5) 90’ clarifiers, installation of (5) new Vertical Turbine Pumps including excavation and installation of 30’ pump cans to house the Vertical Turbine Pumps. Slayden…

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City of Lebanon – $27 million Water Treatment Plant

Slayden, a subsidiary of MWH Constructors, Inc., was selected as the construction manager/general contractor (GM/GC) for a $27 million project for a new Water Treatment Plant in Lebanon, Ore. The project is scheduled to begin in May 2017, with a substantial completion date of December 2018. The new water treatment plant will completely replace the…

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AGC ROSE Award – Recognition of Safety Excellence

Congratulations Award Winners Outstanding Members in Safety AGC Oregon-Columbia Chapter recognized several members at the annual Safety award Luncheon for their outstanding safety achievements.  Our guest speaker was Howard Mavity. The ROSE Award is Recognition of Safety Excellence and recognizes chapter leaders in safety excellence,  provides an excellent way to document your achievements in safety, and offers an…

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