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Category: Wastewater

WSDOE Introduces New Puget Sound Nutrient General Permit

Posted on December 9, 2021 by Jordyn White

Herrera’s Newly Developed Microbial Source Tracking Method

Posted on October 18, 2021 by Jordyn White

What House Bill 1184 Means for Non-Potable Water Use in Washington State

Posted on July 27, 2021 by Jordyn White

Contaminants of Emerging Concern: A New Threat to Water Quality

Posted on July 7, 2021 by Jordyn White

Don’t Miss Herrera at the BCWWA 2021 Virtual Conference and Tradeshow

Posted on May 18, 2021 by Jordyn White

Presenting… Lake Washington!

Posted on February 12, 2018 by zz_Kristen Matsumura

Good News for Puget Sound Health!

Posted on August 2, 2016 by zz_Kristen Matsumura

Stillaguamish Tribe’s Natural Resources Department

Posted on September 17, 2014 by Melissa Buttin

In Nicaragua with Engineers Without Borders

Posted on March 17, 2014 by Melissa Buttin

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Our Offices

Seattle, WA

2200 Sixth Avenue
Suite 1100
Seattle, WA 98121
Phone (206) 441-9080
Contact: Phil Coughlan

Portland, OR

107 SE Washington Street
Suite 140
Portland, OR 97214
Phone (503) 228-4301
Contact: Ellen McClure

Missoula, MT

101 East Broadway
Suite 610
Missoula, MT 59802
Phone (406) 998-6760
Contact: Heidi Houck

Bellingham, WA

1329 North State Street
Suite 200
Bellingham, WA 98225
Phone (360) 398-5075
Contact: Chris Webb

Casper, WY

444 S. Center St.
Casper, WY 82601
Phone (206) 787-8219
Contact: Tyson Wright, PE

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