Monte Vista Water District
![Monte Vista Water District logo](https://www.allianceforwaterefficiency.org/sites/default/files/styles/member_logo/public/member_logos/Monte_Vista_Water_District-logo.jpeg?itok=wa38kEks)
Monte Vista Water District (MVWD), a county water district formed in 1927, provides retail and wholesale water supply services to a population of over 130,000 within a 30-square mile area, including the communities of Montclair, Chino Hills, portions of Chino and the unincorporated area lying between the cities of Pomona, Chino Hills, Chino and Ontario.