What's Happening

By Karen E. Hodges, University of British Columbia Okanagan, Kelowna, B.C. & Frank I. Doyle, Wildlife Dynamics Consulting, Inc., Terrace, B.C. Background
Globally, the published work on…

By Dan Thompson, City of Tacoma-TAGRO & Regulations Committee Chair The State of Washington has one of the more successful biosolids programs in the country.  Class A and Class B programs thrive…

Tamara, or Tami as most of us know her, runs Terre-Source, an organics recycling company in old downtown Mount Vernon, WA, overlooking the beautiful Skagit River.  Tami started Terre-Source to serve…

Regulations Corner
Washington State PFAS Chemical Action Plan The Washington State Department of Ecology (Ecology) has released the PFAS Draft Chemical Action Plan (CAP). This CAP includes a…

By Sally Brown, University of Washington Abstracts of these resources are available in the searchable Information Portal offered to Northwest Biosolids members. Effects of fire on properties of…

By Ian Pepper, Walter Betancourt, Charles P. Gerba, University of Arizona WEST Center Wastewater Based Epidemiology (WBE) is a rapidly expanding new discipline formerly known as Sewage Surveillance…

By Tadd Giesbrecht, Brown & Caldwell Background - The City of Bellingham has embarked on a project to fundamentally change the way their biosolids are managed.  Through this defining shift, the…

By Sally Brown, University of Washington Abstracts of these resources are available in the searchable Information Portal offered to Northwest Biosolids members. Shedding of SARS-CoV-2 in feces…

Washington State Biosolids Statute In 1992, the Washington State Department of Ecology (Ecology) enacted a statute for the state biosolids program that included a declaration that biosolids are a…

Brown and Caldwell is a 100% environmental and 100% employee-owned firm with over 1,700 employees all working towards a common goal: to make a positive impact on our environment and in our world.…