Water, Sewer and Storm Drain System

      The Utilities Division is responsible for:

  • Providing a high quality and dependable potable water supply to the residents and businesses of Pleasanton
  • Maintaining the City’s sewer system, which consists of 239 miles of sewer main
  • Providing 24-hour storm drain maintenance services for the community to protect the storm drain system, creeks, arroyos and other waterways from becoming polluted
  • Recycled water

Water System

  • Bacteriological & Water Quality Sampling    
  • Computerized Control (SCADA System)   
  • Distribution Stations & Storage Facilities    
  • Home Service Line   

The City of Pleasanton is pleased to distribute its Annual Water Quality Report to its customers. The report provides important information about where your water comes from and the work we perform each day to assure the water is delivered to your tap is safe to drink. It also provides data about what is in your drinking water and how water quality tests on your drinking water compare to federal and state drinking water standards during calendar year 2022.

2022 Annual Water Quality Report

Understanding PFOA and PFOS

Prior Year Water Quality Reports

2021 Annual Water Quality Report

2020 Annual Water Quality Report

2019 Annual Water Quality Report 

2018 Annual Water Quality Report

2017 Annual Water Quality Report

2016 Annual Water Quality Report

2015 Annual Water Quality Report

2014 Annual Water Quality Report


Sewer System

Storm Drain System


Joint Tri-Valley Potable Reuse Technical Feasibility Study

The Joint Tri-Valley Potable Reuse Technical Feasibility Study is a City Council work plan item and is a collaborative project between the Tri-Valley Water Agencies; Zone 7 Water Agency (Zone 7), Dublin San Ramon Services District (DSRSD), California Water Service (Cal Water), and the Cities of Livermore and Pleasanton. The goal of this study is to evaluate the technical options for potable reuse as a possible strategy for diversification of the region's water supply and having a more reliable source of water during periods of extreme drought and/or other existing water supply limitations. The Final Study is available for review by clicking on this link. Potable Reuse Feasibility Study