The Maricopa County Board of Supervisors Formal and Informal meetings are open to the public and will proceed under ARS 38-431 et.al. The Maricopa County Democratic Party works to elect democrats up and down the ballot in Maricopa County.The MCWDB Members meet as defined in the Annual MCWDB Meeting Calendar (found below). Vote for Democrats up and down your entire ballot. Our County Candidates are shown on this Voter Guide. Maricopa CDWID meetings: 2nd Monday of each month at PM at our office 45290 W. Garvey Ave. Meetings are open to the public and we encourage customer input. Visit the MUSD 20 BoardDocs website. Select Meetings from the tip right hand portion of the page. MAG provides regional planning and policy decisions in areas of transportation, air quality, water quality, and human services for Maricopa County.