The irrigation network management consisting of : operational, maintenance, and rehabilitation. Farmer Water Users Associations (WUA) hope can actively participates into those 3 stages. Several research had proved that farmer participatory could increase the sense of belonging and it will impact to irrigation network performances. One of farmer water users associations roles in implementation of irrigation rehabilitation is participatory construction. In this stages, farmer water users associations given authority to carry out the small scale of rehabilitation. This article aimed to inform three factors that influence to implementation of participatory construction performance which are : management, farmer mentoring, and farmer education. The aspects to implementation of participatory construction performance are : to make a proposal, scheduling, technical implementation, controlling and reporting. The management roles related to cognitive competencies, affective competence (professional ethics), and psychomotoric competence (ability to move). The farmer mentoring roles includes: work facilities, working environment and job understanding. The level education of farmer such as elementary school, senior high school, senior high school, and diploma. The sample of respondent for this research taken from the activities Water Resources Management Board of Serayu Citanduy in Banyumas and Cilacap. Based on the data analysis there are correlation between implementation participatory construction performance (Y) to the roles of management (X1), farmer mentor roles (X2) and farmer education level (X3). The correlation is Y = 0,764 + 0,197X1 + 0,504X2 + 0,164X3. Based on the correlation the farmer mentor role is prominent comparing to the management roles and farmer level education in terms of participatory construction implementation. But those three parameters significantly influence and need to be improved.

        Kata kunci: participatory construction, irrigation, farmer water users associations, farmer mentoring