The Marin County Drought Tracker features water supply and water conservation numbers for Marin Municipal Water District, North Marin Water District and Sonoma Water.
Marin Municipal Water District
Total reservoir supply as of July 26: 41.5%; 33,052 acre-feet
Average water supply for July 26: 80.3%; 63,926 acre-feet
Water conservation July 16 to July 22*: 25% (2% increase from July 16)
MMWD’s mandated conservation target: 40%
North Marin Water District
Stafford Lake water supply as of July 23: 41%; 1,762 acre-feet
Average water supply for July 23 (since 1994): 63%; 2,690 acre-feet
Note: NMWD fed about 1,100 acre-feet of Russian River water into Stafford Lake from February to April.
Novato water conservation as of July 21**: 23% (1% increase from prior update)
Novato mandatory conservation target: 20%
West Marin water conservation as of July 21***: 37% (2% decrease from prior update)
West Marin mandatory conservation target: 25%
Sonoma Water (supplies 25% of MMWD’s supply and 75% of NMWD’s supply)
Lake Mendocino supply: 33%; 26,774 acre-feet
Lake Sonoma supply: 50.8%; 124,500 acre-feet
* conservation % is based on collective use compared to three-year average water use for this time period for 2018-2020
** Novato conservation % compared to June 2020 water use
*** West Marin conservation % compared to water use in June 2013, the last normal water year
Sources: MMWD, NMWD, Sonoma Water
