Purpose of this article is study of analyzing the policy and administrative barriers in farmer's participation in Keznar Dam Water use cooperative. Statistical population is all of the beneficiaries that resident in Keznar dam area (Aligoodarz County). Method of simple random sampling was used for sampling method. Questionnaire was used for data collection and Data were analyzed by SPSS. result show that five factors including" Negligence of authorities "," Improper distribution mechanism '," Lack of consultation with the people "," Infringement " and "Authorities meet their commitments " can explain 71.85% total variances of variables. The data are all beneficiaries of the dam are Aligoodarz Kznar city. Were randomly sampled data by a questionnaire whose validity and reliability had been confirmed, were collected. Analysis software SPSS for factor analysis was used to analyze the data. research results of factor analysis show that five neglect "officials," "improper water distribution mechanism," "failure to consult with people", "perfect law" and "officials meet their commitments." including administrative barriers - lack of effective political participation of farmers in water users cooperatives were formed in all these five factors could 85/71% of the total variance of variables to explain. In this context, community participation and intersectional collaboration at all levels and stages and coordination among relevant bureaus and institutions were recommended.