The Ukiah Daily Journal reports that the county's Board of Supervisors on Tuesday voted unanimously to make the declaration, citing an "imminent threat of disaster" from drought conditions.
The state Department of Water Resources said Mendocino is the first to request state drought assistance.
Officials hope the declaration will result in state funds and assistance in developing a drought plan.
Gov. Jerry Brown has convened a task force to help decide if a statewide drought emergency is warranted.
State water managers say they will be able to deliver just 5 percent of the water sought by municipal agencies and nearly a million acres of farmland.
California state agencies have released a long-term plan for water conservation. The proposal makes permanent some emergency water conservation measures already in place to deal with the state’s drought.
California regulators hear from residents and farmers concerned about a plan to provide more water for threatened fish in the San Joaquin River and its tributaries.
The State Water Project will deliver more water to California cities and farmland in 2017 than it did this year- at least initially.
(AP) - California water agencies that spent more than $350 million in the last two years to pay property owners to rip out lawns are now trying to answer whether the nation's biggest lawn removal experiment was all worth the cost.
Five years of drought exacerbated wildfires across California. Fire and flood agencies say those burned areas now have an increased risk of flash flooding.