SCJ Expands Environmental Services with Tim Haderly

A native Washingtonian, Tim Haderly has joined SCJ Alliance as a Principal Environmental Scientist. Tim brings nearly three decades of experience to SCJ, allowing the firm to expand and enhance the environmental services it provides.

Tim is an avid outdoorsman with a variety of interests including fishing, woodworking, hiking, mountain-climbing and sea kayaking, as well as reading. “I like variety in life, and that’s one of the things that attracted me to SCJ Alliance,” shared Tim. “SCJ’s breadth of services and diversity of clients is ideal for me.”

Tim has extensive experience conducting wetland delineations, designing and implementing wetland mitigation plans, typing streams, performing shoreline investigations and preparing permit applications. For more than 28 years, he has provided a wide variety of public and private clients with professional natural resource consulting and land planning/permitting services throughout Washington, Oregon and Alaska. He specializes in linear projects (roads, utilities, railroads and trails), in-water structures, mining, stream restoration and mitigation planning.

“Tim is a great asset to SCJ as a firm, and in particular to our Land Use & Environmental Planning Group,” says SCJ Principal Eric Johnston. “His location in our Centralia office elevates the accessibility of environmental services to our clients in Lewis County and surrounding counties as well.” SCJ’s southwest Washington projects include work on the new Chehalis elementary schools; several projects at Centralia College; the North Lewis County Industrial Access Study; the Napavine comprehensive plan update; and a recently-awarded two-year contract from the Lewis County Economic Development Council for community and economic development infrastructure planning.

“His long career in environmental consulting also makes him a great resource as a senior technical reviewer,” added Eric. SCJ’s portfolio includes the Tumwater Brewery Planned Action Environmental Impact Study and new Toyota of Olympia dealership. In Pierce County, the SCJ environmental team provides on-call critical areas review for the cities of Puyallup and Tacoma, and SCJ planners are working with Pierce County Parks and Recreation on the Chambers Creek Regional Park master plan update.

One Comment

  1. Do you do critical studies involving the ground squirrel. I’m located here in grant county. Proposing a short subdivision.

    1. Hello Jim, sorry for the late reply! Yes, we do critical areas work for our clients. Please feel free to give us a call or send an email to or at 360.352.1465.


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