Independent Special Districts of Orange County

We provide the most relevant government information crucial to all California districts. We strive to make districts stronger together.

The Independent Special Districts of Orange County (ISDOC) is a membership association that represents the interests and provides advocacy on behalf of Orange County’s 25 independent special districts.  ISDOC was formed more than 30 years ago to serve the needs of Orange County’s water, wastewater, sanitary, cemetery, vector control, library, recreation and parks and other districts that provide specialized services within their communities.  A seven-member executive committee guides the association and membership meetings are held on a quarterly basis to provide a forum for its special district members to meet and discuss issues and share information of mutual interest.



Jim Fisler
Mesa Water District
1965 Placentia Avenue
Costa Mesa, CA  92627
Phone: (949) 631-1206 (office)

1st Vice President

Saundra Jacobs
Santa Margarita Water District
26111 Antonio Parkway
Las Flores, CA  92688
Phone: (949) 459-6600 (office)

2nd Vice President

Mark Monin
El Toro Water District
24251 Los Alisos Blvd.
Lake Forest, CA  92630
Phone: (949) 837-7050 (office)

3rd Vice President

Mary Aileen Matheis
Irvine Ranch Water District
15600 Sand Canyon Ave.
Irvine, CA  92618
Phone: (949) 453-5310 (office)


Doug Davert
East Orange County Water District
185 N McPherson Rd.
Orange, CA  92869
Phone: (714) 538-5815


Joan Finnegan
Municipal Water District of Orange County
PO Box 20895
Fountain Valley, CA 92778
Phone: (714) 963-3058

Past President

Mike Scheafer
Costa Mesa Sanitary District
628 W. 19th Street
Costa Mesa, CA  92626
Phone: (949) 645-8400

Chapter Administrator

Heather Baez
Municipal Water District of Orange County
PO Box 20895
Fountain Valley, CA 92778
Phone: (714) 593-5029

CSDA Public Affairs Field Coordinator

Chris Palmer
Phone: 714-743-7404

Meeting Schedule

ISDOC Quarterly Luncheon Meetings
Location: MWDOC/OCWD Board Room (18700 Ward Street, Fountain Valley)
Time: 11:30 a.m. – 1:00 p.m.

If you wish to RSVP, have any questions or need further information, please contact Heather Baez at (714) 593-5029 or

ISDOC Newsletters

Chapter Members

Associate Members

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