Category

Wastewater

Presenting… Lake Washington!

As part of Herrera’s community outreach efforts, Herrera scientist George Iftner and stormwater engineer Ondrej Sklenar were special guests in Ms. Massimino’s and Mr. Castelli’s 4th grade classes at Louisa Boren STEM K-8 School in West Seattle.  The topic of their visit was Lake Washington history and water quality.  The ...

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Good News for Puget Sound Health!

Washington State Department of Ecology has submitted a formal application to the U.S. Environmental Protection Agency to designate Puget Sound as a No Discharge Zone for vessel sewage.  For the past 4 years Herrera has been working with Ecology and project stakeholders to prepare the technical studies that provide the framework of support for the ...

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Stillaguamish Tribe’s Natural Resources Department

The new Stillaguamish Tribe's Natural Resources Department building has opened in Arlington, Washington.  Per the Seattle DJC, This 13,000 s.f. office and lab building was designed by Anacortes-based Brooks Middleton Architect and "... was built to honor traditional tribal structures and make efficient use of natural resources. "  Herrera ...

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In Nicaragua with Engineers Without Borders

Post by Herrera's Anneliese Sytsma. For the past year a team of engineers has been working with Engineers Without Borders (EWB) USA on the design of a coffee processing plant (beneficio) and associated wastewater treatment system for the Tierra Nueva Community (a community supported by our partner NGO, Agros). While in the design phase of the ...

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