Community-based drinking water and sanitation (PAMSIMAS) program is a government program that aims to meet the community’s drinking water needs. The implementation of the PAMSIMAS program in Marioriwawo District needs to be evaluated the effectiveness of its services to the community and analyze ways to improve service quality. Data was collected by distributing questionnaires to 50 respondents in five villages and then processed by using the SPSS application. The model for the effectiveness of the clean water service of PAMSIMAS in Marioriwawo District is Y= 0.534 + 0.133 X1 + 0.020 X2 + 0.024 X3 + 0.203 X4 + 0.173 X5 where X1 is the quality variable, X2 is the quantity variable, X3 is the continuity variable, X4 is the ability to pay contribution variable, and X5 is the institutional variable. Correlation coefficient (R) is 0.780. The average of clean water service of PAMSIMAS in Marioriwawo District is 2.83 which is categorized as effective. Improving clean water services for PAMSIMAS in Marioriwawo District can be done by checking water quality at least once every six months, monitoring pipelines regularly, applying contribution rates based on water usage and applying sanctions for customers who break the rules.

Regional Water Company (PDAM) is a company that serves the clean water needs for Wajo Regency. Because there are still many customers’ complaints, it is deemed necessary to analyze the performance model of PDAM Wajo Regency infrastructure and analyze how to improve its performance. The data collection method used was a questionnaire by distributing to 155 PDAM Wajo Regency customers and then processed using the SPSS application. Based on the condition of the existing PDAM Wajo Regency infrastructure can be categorized as good. The infrastructure performance model of PDAM Wajo Regency based on customer perception is Y = −0,280 + 0.192X1 + 0.229X2 + 0.202X3 + 0.174X4 + 0.226X5, X1 is realiability variable, X2 is tangible variable, X3 is responsiveness variable, X4 is empathy variable, and X5 is assurance variable. Correlation coefficient (R) is 0.993. The assurance variable has the greatest influence at 28,216% performance for PDAM Wajo Regency infrastructure. The average performance of PDAM Wajo Regency infrastructure based on customer perception is 3.75 categorized as having a good performance. How to improve PDAM Wajo Regency performance is according to customer perceptions by developing a water treatment plan (IPA), replacing damaged distribution installations, replacing customers’ damaged water meters, replacing non-functioning main water meters, and replacing damage distribution pipes. regular metering and water tariff review, according to Permendagri Number 71 Year 2016. Training needs to be held for all employees to improve the quality of human resources of PDAM Wajo Regency.