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Drought conditions prompt WDFW to limit suction dredging, other activities in rivers

Posted on August 20, 2015

In a new effort to protect fish threatened by drought, the Washington Department of Fish and Wildlife (WDFW) is taking steps to limit activities including suction dredging and certain construction projects in rivers around the state, including rivers in Jefferson County.

Effective immediately, emergency regulations filed by WDFW Aug. 14 prohibit or restrict suction dredging for gold and mechanical removal of aquatic plants in more than 60 rivers and streams until further notice.

The following rivers and tributaries in Jefferson County are closed to both suction dredging and all aquatic plant removal activities except hand pulling:

Clearwater River and its tributaries; Queets River and its tributaries including Matheny Creek and the Salmon River outside Olympic National Park and the Quinault Reservation; Big Quilcene mainstem.

The department also plans to modify the terms of some individual state permits – known as hydraulic project approvals (HPAs) – previously granted for projects such as culvert replacement and gravel removal in those waters.

Over the past month, state fish managers have closed or restricted recreational fishing on those same rivers and streams due to drought conditions that have killed thousands of salmon, steelhead, sturgeon and other fish, according to WDFW.

“The department is taking unprecedented action in response to an unprecedented threat to fish life in our state,” said Randi Thurston, manager of WDFW’s habitat protection division. “Current low flows and soaring water temperatures are a deadly combination for fish and we need to do everything we can to avoid adding to their distress.”

Under the emergency regulations, gold dredging and mechanical removal of aquatic plants are now prohibited on more than 35 rivers and closed during the warmest hours of the day on at least 30 others, according to WDFW.

On rivers with hourly restrictions, gold dredging is to be limited to the hours between a half-hour before official sunrise until 2 p.m. For mechanical plant removal, those rivers are open from midnight until 2 p.m.

A complete list of rivers and streams affected by HPA emergency rules is available at None of those rules affect panning for gold or pulling aquatic weeds by hand.

According to WDFW, state biologists are to start contacting several hundred permit holders around the state over the next week to discuss modifying the timing of individual HPA projects to avoid putting further stress on fish already weakened by drought conditions.

Thurston said WDFW would allow construction projects to proceed on schedule if permit holders can show that delays would pose a threat to life, property, project funding or environmental conditions.

She noted that the state’s Hydraulic Code allows WDFW to modify the conditions of HPA permits, based on changing conditions. That law, created by the state Legislature in 1943, was specifically designed to protect the state’s fish life.

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