Recent News

The stormwater industry is abuzz with how to respond to 6PPD-quinone, a chemical used to prevent degradation of car tires, which is adversely impacting our natural environment. If you are working on a roadway improvement project, you might be triggering an Endangered Species Act (ESA) consultation to ensure aquatic environments are protected from roadway runoff.
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OCI was thrilled to partner with the City of Sammamish on this fish passage project where we managed the replacement of existing culverts under East Lake Sammamish Parkway (ELSP) that had caused barriers to kokanee salmon being able to spawn. The City of Sammamish, along with the Kokanee Work Group and Local Tribes, identified voluntary
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