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Municipal Utilities

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Report broken pipes, street flooding, and sewer leaks via phone to the 24-Hour Emergency Service Center:

(209) 937-8341

For non-urgent requests, questions or concerns, send us a message via Ask Stockton. For questions about your water, sewer or stormwater utility bill, please contact the Utility Billing Customer Service.

The Municipal Utilities Department (MUD) adheres to applicable regulations and responsible business practices. Review the MUD Quarterly Operations Report (QOR) for information about water, sewer and stormwater operations in Stockton.

The Water Utility provides clean, safe, and sustainable water to more than 50,000 connections in north and south Stockton. Properties in central Stockton receive water services from California Water Service. Find out the water service provider for specific City addresses visiting About My Address.

The Wastewater (Sewer) Utility collects and conveys wastewater from properties within the City, special districts outside the City, and certain areas within San Joaquin County to the Regional Wastewater Control Facility (RWCF) to protect public health.

The Stormwater Utility maintains pump stations, pipelines, and drain inlets that collect and route runoff water from the streets and gutters to our local rivers, creeks, and sloughs to prevent flooding, and protect Stockton's streams and shorelines.

The City of Stockton Utility Service Area Maps provide additional information about water, sewer and stormwater service areas in Stockton. 

Stockton Water, Sewer and Stormwater
Backflow Testing, Water Pressure
Contact the Municipal Utilities Water Field Office at (209) 937-7031 for questions about backflow testing and for questions or concerns about low water pressure.

Submit non-emergencies, questions or comments via Ask Stockton.
Billing Customer Service
For utility billing questions or to start or stop water service, please contact Utility Billing Customer Service at (209) 937-8295.
Conservation Hotline
Call (209) 937-5001 to report water waste in the City of Stockton.

To report emergencies like broken pipes, street flooding, sewer backups and other water-related emergencies, call the 24-Hour Municipal Service Center at (209) 937-8341, including on weekends and holidays.
Delta Water Treatment Plant
Contact the City of Stockton Delta Water Treatment Plant at (209) 937-8762.
Dental Amalgam, Fats, Oil & Grease, Industrial Pretreatment or Waste Haulers
Contact the Environmental Control Division at (209) 937-8740.
Engineering Division
For current or upcoming project design and construction information contact the Stockton Municipal Utilities Engineering Division at (209) 937-8706.
Permit Center
Please visit the Applications, Forms and Permits webpage or contact us via phone at (209) 937-8436 for information about water, sewer or stormwater permit applications, residential and commercial inspections, forms, and information on paying fees.
Regional Wastewater Control Facility
Contact the City of Stockton Regional Wastewater Control Facility sewer treatment plant at (209) 937-8700.
Report Water Emergencies

Report broken water or sewer pipes, street flooding, sewer backups, and missing utility box covers to the 24-Hour Emergency Service Center at (209) 937-8341.

Email non-urgent water questions to WaterFacts@stocktonca.gov or submit requests via Ask Stockton.  

Contact the Water Conservation hotline at 1(866) 786-5987 (866.STOK.WTR) or (209) 937-5001 to report water waste.

Visit the Water Conservation webpage for more information about watering days in the Stockton water service area.

SLWA Insurance Services (HomeServe)
Insurance Services for Exterior Water, Exterior Sewer, Interior Plumbing and Drainage Coverage

The City of Stockton has arranged for SLWA Insurance Services, an independent home repair company separate from the City, to offer optional emergency repair service plans* to Stockton residential customers for customer-owned utility equipment. Plans from SLWA include:

  • Exterior Water Line Coverage
  • Exterior Sewer/Septic Line Coverage
  • Interior Plumbing and Drainage Coverage

 *These are optional and customers are under no obligation to purchase services from SLWA to receive water and sewer services from the City of Stockton. To opt out from receiving future communications related to these services call SLWA at 1(844)257-8796 or visit the company's website at https://www.slwofa.com/.

South Stockton System Well No. 8 Improvements
Project Background
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. 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 on Saturday, November 12, 2022, from 9 a.m. to 11 a.m. provided 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.
  • Si necesita traducciones al español, envíe un correo electrónico a Vanessa Piccinini a WaterFacts@stocktonca.gov.
Last Update : 02/08/2024, 4:36:57 PM