Municipal Utilities Department 

The Municipal Utilities Department (MUD) operates three utilities that protect public health and the environment:

  • water treatment and distribution,
  • sewer treatment, and
  • stormwater collection and discharge to local waterways. 

Work performed by the MUD adheres to applicable regulations and responsible business practices. The MUD Quarterly Operations Report (QOR) details department operations.


Visit Utility Services to learn more about:

  • Water, wastewater and stormwater utility services for residents and businesses
  • Permit requirements and regulations
  • Fee calculators
  • Industrial pretreatment
  • Fats, Oils, and Grease (FOG) Program

To report water, wastewater or stormwater emergencies, including broken pipes, water waste or illegal discharge of hazardous materials into the storm drain system, please Contact Us.

Water Facts: Learn More About City Water


South Stockton System Well No. 8 Improvements 

The City of Stockton Municipal Utilities Department (MUD) is making improvements and upgrades at South Stockton System Well No. 8 (SSS8), located in Ernie Shropshire Park in south Stockton.

Project Background

The construction of new wellhead treatment and water treatment facility improvements to reactivate Well SSS8:

  • A new filtration system and upgrades will enable Well SSS8 to be placed back in service to improve water quality and supply in the South Stockton System while meeting all State and Federal regulations.
  • The project includes landscape improvements that will enhance a portion of the neighborhood park.

Construction Timeline

Construction is expected to begin in September 2023 and anticipated to be completed in April 2024.

  • Work will be performed Monday through Friday, from 7 a.m. to 3:30 p.m.
  • Crews will access the site via Industrial Drive. Residential streets are expected to remain open throughout construction.

 Get Involved

A community meeting was held on Saturday, November 12, 2022, from 9 a.m. to 11 a.m. to provide information about the improvements and upgrades at SSS8.

  • A notice of construction was hand delivered to properties in the area the week of September 25, 2023, to provide an update regarding the initial date of construction and timeline.
  • For additional information about this project, please contact the Municipal Utilities Department at (209) 937-5056. To report water emergencies, please call the 24-Hour Emergency Service Center at (209) 937-8341.
  • Si necesita traducciones al español, envíe un correo electrónico a Vanessa Piccinini a

External Links

Environmental Protection Agency (EPA)


This City of Stockton web page last reviewed on --- 11/7/2023