This study examines the influence of political interference on institutional performance of Cross River State Water Board Limited, Nigeria. The main objective of the study was to determine the influence of political interference on efficient administration of public water supply by Cross River State Water Board Limited. The study utilized the survey mode of programme evaluation. This helps to establish the relationship between the variables. Questionnaire and documentary study were used to elicit information for the study. This was used to measure the influence of political interference on institutional performance of Cross River State Water Board Limited. The chi-square (χ2 ) statistical test was utilized to determine the degree of association and influence of political interference on the performance of water board limited. The result of the analysis revealed that undue political interference had undermined the efficient administration of public water supply in the state, preventing the operations of the Cross River State Water Board Limited from achieving its objectives. Based on the findings, the study concludes by suggesting that for efficient administration of public water supply in the state, Cross River State Water Board Limited should be allowed to function fully as a Public Limited Liability Company with little or no political interference in order to enhance performance of the corporation.

Keywords : Political Interference; Institutional Performance; Public Water Supply.