The Mariposa Public Utility District (MPUD) was established in 1947. The District provides water, wastewater and fire protection services to the town of Mariposa. The District currently has 722 service connections and is approximately 873 acres in size. Policy is established by a Board of Directors which consists of five members elected at large. The Directors meet the first Tuesday of each month at 6:30 PM at the MPUD office on 7th Street. The public is always welcome to attend the Board meetings.

MPUD primary facilities include:

• 0.610 million gallon per day wastewater treatment facility
• 0.720 million gallon per day surface water treatment facility
• Saxon Creek water project (Merced River)
• Three fire engines including one ladder truck
• Fire Station located at 5371 Hwy. 49 North
• Office and Fire station at 4992 Seventh Street
• State certified (ELAP) water quality laboratory for wastewater and bacteriological analysis

MPUD has five full time employees. The General Manager is Mark Rowney, the Office Manager is Gayle Parker, Operations Supervisor Curt Farrell, Plant Operator Ben Bissmeyer, and the O&M Assistants Chris Toledo and Nakoma Parker. The Fire Chief is Jim Dulcich and Assistant Chief's are Russ Marks and Dennis Buck.