Category

Water Quality

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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Don’t Move a Mussel

Don’t move a mussel! Although a clever and catchy phrase, the magnitude of the message directed towards educating recreational boaters cannot be overstated. Until recently, the Pacific Northwest was one of the few areas safe from this costly invasive species. In the fall of 2016, Montana Fish, Wildlife and Parks (FWP) found microscope ...

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Cleaning up Carli Creek: An Integrated Approach to Stormwater Management

We are excited that our Carli Creek project is moving into the construction phase! Clackamas County Water Environment Services (WES) acquired a large, formerly agricultural parcel along Carli Creek in the Clackamas River watershed and hoped to use this area to improve water quality in this predominantly industrial basin and enhance habitat in the ...

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Congratulations to the City of Portland: World’s First Salmon-Safe City!

Based on a systemic approach across City operations to improve water quality and restore salmon habitat, the City of Portland has become the first Salmon-Safe city in the world.  Salmon-Safe is an independent organization devoted to restoring watersheds through voluntary certification programs that require fish- and wildlife-friendly design and ...

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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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Beijing LID Conference

In 2015, China initiated its “Sponge City” program, the core of which is a 4.8 billion dollar investment in 16 cities that were selected for intensive stormwater treatment retrofits with the goal of solving severe flooding and water quality issues.  To the extent possible, China is hoping to address these issues using low impact development ...

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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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Seattle Works Day @ Green Lake

A big shout out to the Herrera Seattle Works Day team! Our team of divers, snorkelers, and a shore crew hit Green Lake this past Saturday to pull invasive milfoil from the lake. Basking in the sunny weather while fielding questions from many curious passersby the team pulled up pounds of the non-native weed from the lake floor. The Herrera team ...

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LEED for Sustainable Site Design

One aspect of our site design tool-kit here at Herrera (including site civil and landscape architecture) is demonstrated with  LEED projects of a variety of sizes and scales.  Our knowledge and expertise of stormwater,  open space, habitat, water conserving irrigation, and water reuse.   Our ...

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Puget Sound ‘No Discharge Zone’ in the News

A recent NPR story 'Boat Sewage in The Puget Sound?  The Department of Ecology Says No More?'  from September 27th highlights the work Herrera was been working on with WA Department of Ecology to declare Puget Sound a No Discharge Zone (NDZ), where releases of sewage, both treated and untreated, from marine vessels would be prohibited.    ...

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