MCWD Facts

District Area

Acreage: 3,722 acres / 5.8 square miles
Primary Land Use: Residential, commercial
Population: 8,200 permanent residents / 33,500 persons on peak winter weekends

Governance

Date of Formation: August 5, 1957
Governing Body: A 5-member Board of Directors elected by the registered voters of Mammoth Lakes
Staff: 43 full-time employees, plus seasonal employees as needed; overseen by a General Manager

Facilities and Operation

Wastewater Treatment Plant (original): Constructed 1965 (upgraded in 1980, 1982, 1992, 2004, 2007)
Administration Building: Constructed 1971
Vehicle Maintenance Building: Constructed 1975
Groundwater Treatment Plant 1: Constructed 1988
Lake Mary Plant: Constructed 1978; (Capacity 3.1 million gallons per day)
Groundwater Treatment Plant 2: Constructed 1994
Engineering/Operations Building: Constructed 1998
Vehicle Storage Building: Constructed 2000
Recycled Water Facility: Constructed 2009
Photovoltaic Power Plant: Constructed 2010-2011 (see separate handout for more details)
Equipment Storage Building: Constructed 2016
Water Lines: 80 miles
Sewer Lines: 75 miles
Surface Water Source: Lake Mary
Groundwater Sources: 9 Production wells / 30 Monitoring wells (throughout the Mammoth Lakes Basin)

Fun Facts

Average Drinking Water Demand: 1.33 Million Gallons/Day (MGD) from October – April
Average Demand During Irrigation Season: 3-5 Million Gallons/Day (MGD) from May – September
Wastewater Flow (average): 1.14 MGD
Biggest Wastewater Flows: Occur during President’s Week in February
Changed name from Mammoth County Water District to Mammoth Community Water District: 1994

Website Accessibility Policy

Mammoth Community Water District is fully committed to providing accessible facilities, elements and channels of communication to all members of the public. As part of this commitment, Mammoth Community Water District has a policy of providing an accessible website compatible with the Web Content Accessibility Guidelines (WCAG 2.1) and commercial screen reading software. All features of the website are coded to allow individuals with vision and other impairments to understand and use the website to the same degree as someone without disabilities. We welcome feedback and can often resolve issues in a timely manner if they arise.

If you need any special assistance or accommodations:

Call us at (760) 934-2596

Ongoing Compliance Information

Compliance Officer

Mammoth Community Water District has designated a compliance officer for website disability-related accommodations. The compliance officer has received training in website accessibility and updates the site in accordance with those best practices. Contact our accessibility officer to report an issue.

Compliance Procedures and Reports

In addition to testing with users with a wide range of disabilities and coding our website to WCAG standards, Mammoth Community Water District regularly scans its website to ensure ongoing compliance, and makes timely changes to any inaccessible changes, if any are found.

Linked Documents and Third Parties

Please note that this site may link out to third-party websites, such as state or federal agencies, that do not have accessible content. This site may also include documents provided by third parties included in our agenda packets, for example. While we cannot control the accessibility of content provided by third parties, we are happy to assist any member of the public with reading and accessing content on our site.

See an opportunity for us to improve? Please contact our accessibility officer or call us at (760) 934-2596.

Report a Website Accessibility Issue

We are committed to your ability to access all content, and we will respond to all requests as soon as possible.