DOH to study wastewater with red dye

The will study the impact of a wastewater outfall on shellfish in Grays Harbor from April 9-13.

Red dye will be added to the treated wastewater so scientists can monitor its movement and pinpoint where it may come in contact with shellfish in the harbor.

The dye may be visible in the water on April 10-11; however, it is not harmful to people, marine life, or the environment.

This study is a collaborative effort with local stakeholders and state and federal agencies.

The department is responsible for the safety of all harvested shellfish in the state. The agency’s Office of Environmental Health & Safety uses national standards to classify all areas.

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