Public services such as those operated by PDAM Pekalongan City still found many weaknesses that can not meet the expected quality of the community . It is characterized by the presence of various public complaints . the importance of serving the water supply PDAM Pekalongan considers it important for information to the Public Satisfaction Index (HPI ) in order to improve quality of service Surveys are intended to : 1 ) Identify and analyze the weaknesses of each of the elements of service delivery PDAM Pekalongan and 2 ) Measure the community Satisfaction Index (HPI ) PDAM Kota Pekalongan . The survey results show that, in general , PDAM service performance Pekalongan categorized as good with a score of 75.71 . There are three elements to the status of service performance Excellent ( Attitude Officer , comfort , and environmental safety services office ) , there are nine elements of the status of service performance Good ( products , procedures Services , completeness attributes , justice services , human resources capabilities , Fairness Cost , Certainty Cost services , Assurance services Schedule ) , There are four elements to the status of service performance Good Enough ( Delivery System , service requirements , responsibility Officer , and Speed in Service ) Keyword: PDAM Kota Pekalongan, IKM, Kepuasan