Capital Projects

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2023 General Rate Case (2025-27) 

The rates adopted for 2025-2027 will provide customers with long-term value by investing over $31.5 million in needed capital investments and maintenance of local water infrastructure essential to the reliable production, treatment, and delivery of quality water. 

Investments in the San Dimas Service Area include but are not limited to, water distribution projects, improvements to treatment facilities, plant site upgrades, improvements to a booster station, systemwide technology that monitors and controls the water system, the replacement of aging water mains and reservoirs. As part of our commitment to reliability and public safety, Golden State Water proactively invests in upgrading and maintaining its fire hydrants.

For frequently asked questions about the rate-making process, click here.

Learn about the infrastructure investments in the water system serving your community’s homes and businesses: 2023 GRC Infrastructure Investments - San Dimas.

Current & Upcoming Projects

Recently Completed Projects

Project map

Baseline Well No. 5
636 East Baseline Road, in the City of San Dimas 

Investment:
$1,000,000

Project Timeline:
October 5, 2020 – January 2021

Working Hours:
Monday – Friday 8 a.m. – 5 p.m.

Construction crews will work to:

  • Destroy the existing water well at Golden State Water Company’s Baseline Plant
  • Drill and develop new water well

View the Construction notice.

outline of Banna Avenue Project

Covina
800 N. Banna Ave. surrounded by Cypress St., Banna Ave., Kidder Ave., and Colver Pl.

Project Timeline:
January 9, 2017 – TBD

Working Hours:
7 a.m. – 4 p.m.

Construction crews will work to:

  • Install new water pipes
  • Install new service lines
  • Install fire hydrants
     

outline of Covina Project

Covina
Calora St. and Kinsella

Project Timeline:
May 15, 2017 – August 21, 2017

Construction crews worked to:

  • Replace aged water pipe
  • Install new service lines
  • Install fire hydrants

View the construction notice.