CWEMF is a non-profit, non-partisan organization whose mission is to increase the usefulness of models for analyzing California’s water & environment related problems.

CWEMF has approximately 320 individual members and nine  organizational members. (of different membership size). In addition, approximately 100 different organizations are represented among the CWEMF membership. Activities of CWEMF are guided by a Steering Committee composed of five officers elected by the membership, and includes representatives from many governmental water organizations, universities, environmental organizations, private consultants, water user agencies, and the general public.