Board of Directors

The Yolo-Solano AQMD Board of Directors is the District’s governing board. Fourteen elected officials serve on the Board, which represents the elected bodies that govern the two counties and seven incorporated cities within Yolo-Solano AQMD.

Board Makeup

The Board of Directors includes four members of the Yolo County Board of Supervisors, three members of the Solano County Board of Supervisors, and one member from each of the City Councils of Davis, Dixon, Rio Vista, Vacaville, West Sacramento, Winters, and Woodland. Each county and city decide internally who will sit on the Yolo-Solano AQMD Board. There are no separate public elections for seats on the Yolo-Solano AQMD Board, nor are their District-set term limits. The Board of Directors elects its Chair and Vice Chair each December to serve for the following calendar year. Chairs and Vice Chairs serve 1-year terms.

BOARD MEMBER REPRESENTATION
Norma Alcala Councilmember, City of West Sacramento
Sheila Allen Supervisor, Yolo County
Angel Barajas Supervisor, Yolo County 
Monica Brown Supervisor, Solano County
James Ernest – VICE CHAIR Councilmember, City of Dixon
Lucas Frerichs – CHAIR Supervisor, Yolo County
Mitch Mashburn Supervisor, Solano County
Edwin Okamura Vice Mayor, City of Rio Vista
Gloria Partida Councilmember, City of Davis
Mary Vixie Sandy Supervisor, Yolo County
Carol Scianna Councilmember, City of Winters
Michael Silva Councilmember, City of Vacaville
Tom Stallard Councilmember, City of Woodland
John Vasquez Supervisor, Solano County

California Fair Political Practices Commission – Form 700 Search for Public Officials

Board Meetings

The Board of Directors meets on the second Wednesday of each month, beginning at 9:00 a.m., and is open to the public. Board meeting agenda packets are posted publicly in advance of each meeting below.   

2025 Board of Directors Meeting Schedule

Board Committees

To properly manage workload, the Board of Directors also convenes several permanent committees and, when needed, creates ad hoc committees to consider specific items.  Committee meetings are noticed according to the Brown Act. 

Hearing Board

The Yolo-Solano AQMD Hearing Board is an appointed body that handles issues concerning variances, abatement orders, and permit disputes. Hearing Board members are appointed by the Board of Directors but are otherwise independent and serve fixed terms.