The City of Oak Harbor is asking water customers to cut consumption due to low water levels in the Skagit River.

The Anacortes Water Treatment Plant reported the flow level of the Skagit River is below the minimum required for habitat protection and is expected to remain low for an extended period, according to a press release issued by Oak Harbor.

Oak Harbor purchases water for the community through a water supply agreement.

As a result, the city is implementing “Stage 1 Water Conservation Measures” and is asking residents to voluntarily conserve water. The goal is a 10 percent reduction in use.

An instream flow is the minimum amount of water required in a stream or river for the protection of fish habitat. Generally two times per year the Skagit River falls below instream flow levels — once in late winter/early spring and again in late summer/fall.

Oak Harbor has initiated conservation measures at city parks and facilities. Oak Harbor School District, North Whidbey Water District, Deception Pass State Park and Naval Air Station Whidbey Island were all advised to voluntarily conserve water, according to the press release.

• For conservation tips, go to www.oak harbor.org