Current Information

The Casa Diablo IV Geothermal Expansion Project is proposing the addition of 16 geothermal wells. The MCWD has serious concerns about the negative impacts the proposed wells could have on our local ground and surface water. (More Info)

Following a dry winter and warm summer, and a decline in groundwater aquifers, the Board enacted Level 1 water restriction in August of 2012. Those restrictions are still in place for all Mammoth Community Water District Customers. (More Info)

During first week of July the City of Los Angeles’ Department of Water and Power and Mammoth Community Water District reached a formal settlement, which resolved two pending court Cases. Details of the settlement can be found here. (More Info)

The Board of Directors adopted an ordinance regarding water shortage conditions, water conservation measures, and enforcement. Changes reflected in the ordinance affect  irrigation schedules in the Town of Mammoth Lakes. (More Info)


Level I Water Restrictions in Place

MCWD Agreement with LADWP

Water Conservation Ordinance Update

Our Location:

1315 Meridian Blvd

PO Box 597

Mammoth Lakes, CA 93546

Click Here for Directions


(760) 934-2596 - Mon. thru Fri - 7:30am to 4:30pm

(760) 914-0935 - After Hours Emergency
(760) 924-4511 - Anonymous Irrigation Hotline




Mammoth Community Water District © 2013