National Drought Mitigation Center
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National Drought Mitigation Center
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California's Lake Mendocino becoming alarmingly low
12/25/2021 3:28:39 AM



CATEGORIES:
Agriculture
Relief, Response & Restrictions
Water Supply & Quality
AFFECTED AREAS:
Marin County, CA
Mendocino County, CA
Hopland, CA
Redwood Valley, CA
Sonoma County, CA
Cloverdale, CA
Healdsburg, CA
Petaluma, CA
Rohnert Park, CA
Santa Rosa, CA

Start Date: 11/12/2021 -  
Although water customers were urged to curb their water use by 50%, Lake Mendocino was still at less than 20% of capacity and has no significant backup supply. The reservoir needs decent precipitation through the winter to have enough to meet demand next summer and fall. Tens of thousands of people depend on the lake. In addition, a faulty electric transformer for the Potter Valley Project means less water flowing into Lake Mendocino and typically provides about 30% of the lake’s inflow. Sedimentation may have reduced the amount of water that the lake holds so that there is less water there than expected. Grape growers were denied district water since April, and yield losses were 20% to 60% for many growers. San Francisco Chronicle (Calif.), Nov 12, 2021
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