Simi Valley

Simi Valley

Overview

Golden State Water has proudly served Simi Valley since 1965, providing quality, reliable water to approximately 13,300 local customers.

Water delivered to customers in the Simi Valley System is treated surface water purchased from the Calleguas Municipal Water District, which obtains its supply from Metropolitan Water District of Southern California. The primary water supply is also supplemented with groundwater from the Simi Valley Groundwater Basin.

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Rates

As a regulated utility, Golden State Water’s rates are determined by the California Public Utilities Commission (CPUC) through a General Rate Case (GRC) to ensure customers receive a fair rate for reliable, quality water service.

  • On July 15, 2020, Golden State Water filed a GRC application for the years 2022, 2023 and 2024. Learn more: 2022-24 GRC Fact Sheet
  • Effective Sept. 27, 2019, an average residential customer in the Simi Valley Customer Service Area would see a monthly bill increase of $0.144 per 748 gallons (1 Ccf), or approximately 2.5 percent, during the 12-month amortization period.
  • Effective June 8, 2019, an average residential customer in the Simi Valley Customer Service Area with a 5/8 x 3/4” meter using 11 Ccf per month, would see a monthly bill increase of $3.72 from $59.48 to $63.20 compared to 2018 (excluding any applicable surcharges).
  • On May 30, 2019, Golden State Water’s GRC was approved by the State of California to set water rates for 2019, 2020 and 2021 and authorize infrastructure investments for the local system. New rates were implemented effective June 8, 2019. Learn more here. (EnglishSpanish)
  • On July 1, 2018, local water rates decreased by 1.5% to pass cost savings from the new lower federal corporate income tax requirement through to customers. Click here to learn more.

​​Learn More

Understanding Your Tariff Sheet

Review All Rates, Tariffs and Advice Letters

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Capital Projects

More than $350,000 in infrastructure improvements are planned for 2020 in the Simi Valley service area.

The 2020 investments include water supply enhancements, distribution and ongoing improvements designed to replace old meters, mains and safety equipment. Click here to learn more and access a list of projects planned for 2020.

Current & Upcoming Projects

This section is currently under construction. Please check regularly for the latest updates!

Recently Completed Projects

outline of Sycamore Drive Project

Sycamore Drive & Niles Discharge Pipe

Investment:
$500,000

Project Timeline:
July 29, 2019 – end of Sept. 27, 2019

Working Hours:
Monday – Friday
7 a.m. – 3:30 p.m.

Construction crews will work to install 1,020 LF of pipeline.

This project will improve the distribution system and ensure Golden State Water can continue providing reliable water service to local customers.

View the construction notice.
 

Portable Generator
Systemwide

Investment:
$735,000

Project Timeline:
Sept. 30, 2019 – Nov. 13, 2019

Working Hours:
Monday – Friday, 7 a.m. – 4 p.m.

Construction crews will work to install emergency generators throughout the system.

This project will ensure Golden State Water can continue providing reliable water service to local customers during site-specific power outages.

View the construction notice.
 

outline of Royal Avenue Project

Royal Ave. Bridge
Royal Avenue bridge at the Arroyo Simi channel crossing

Investment:
$361,000

Project Timeline:
September 21, 2018 – November 30, 2018

Working Hours:
Monday – Friday (No weekends or holidays)
7:00 a.m. – 4:00 p.m.

Construction crews worked to install 150 LF of 8″ main.

This project will improve the distribution system and ensure Golden State Water can continue providing reliable water service to local customers.

View the construction notice.
 

Lautenschlager Plant
Simi Valley system

Investment:
$550,000

Project Timeline:
June 1, 2018 – December 1, 2018

Working Hours:
Monday – Friday (No weekends or holidays)
7:00 a.m. – 4:00 p.m.

Construction crews worked to recoat the Lautenschlager Plant steel tank.

This project will ensure Golden State Water can continue providing reliable water service to local customers.
 

Niles Forebay
Simi Valley system

Investment:
$281,200

Project Timeline:
May 28, 2018 – December 11, 2018

Working Hours:
Monday – Friday (No weekends or holidays)
8 a.m. – 5 p.m.

Construction crews will work to replace the existing tank with a new 40,000 gallon tank.

This project will ensure Golden State Water can continue providing reliable water service to local customers.
 

outline for Sandalwood Drive Project

Simi Valley
Sandalwood Dr. 

Project Timeline:
August 28, 2017 – February 2018

Working Hours:
7 a.m. – 4 p.m.

Construction crews worked to recoat the Lauenschalger Plant Tank 2.

View the construction notice.