Capital Projects
GRC 2023 General Case (2025-27)
The rates adopted for 2025-2027 will provide customers with long-term value by investing over $5.1 million in needed capital investments and maintenance of local water infrastructure essential to the delivery and treatment of reliable, quality water.
Investments in the Los Osos Service Area include but are not limited to water distribution infrastructure improvements, rehabilitation of wells, transportation equipment and the replacement of aging mains and meters, pumping and purification equipment. 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 - Los Osos
Current & Upcoming Projects
Water Shutdown – Wednesday, May 29
Location: Vista De Oro Estates (Montana Way, Los Arboles Way, Vista Court and Los Padres Court)
The shutdown is anticipated to commence on Wednesday, May 29, 2024, with completion within the same workday. Interruption of water service will be from 8:00 a.m. to 5:00 p.m.
Construction crews will work to:
- Conduct a scheduled water shutdown project to ensure Golden State Water can continue providing reliable water service to local customers.
View the Construction Notice.
Exterior Recoat of Water Storage Tank
Location: 1088 Calle Cordoniz, Los Osos, CA 93402
Project Timeline:
May 2024 – August 2024
Working Hours:
Monday – Friday (No weekends or holidays)
7:00 a.m. – 5:30 p.m.
Construction crews will work to:
- Recoat the exterior of an existing water storage tank.
This project will ensure Golden State Water can continue providing reliable water service to local customers.
View the Construction Notice.
Lewis Ln Well 2 Demo at Lewis Lane Plant Site
Location: 7035 Lewis Ln, San Luis Obispo, CA 93401
Project Timeline:
April 2024 – May 2024
Working Hours:
Monday – Friday (No weekends or holidays)
7:00 a.m. – 5:00 p.m.
Construction crews will work to:
- Undertake well destruction at the Lewis Lane Plant site. Work may include controlled water discharge from the plant site area drainage pit.
This project will ensure Golden State Water can continue providing reliable water service to local customers.
View the Construction Notice.
Water Main Improvements (Pecho Valley Rd., Rodman Dr., Madera St., San Dominico Ave.)
Location: The new pipeline will be installed on Pecho Valley Road from Rodman Drive to Montana Way, on Rodman Drive from Pecho Valley Road to Madera Street, and on Madera Street from Rodman Drive to San Dominico Avenue.
Project Timeline:
April 2024 – May 2024
Working Hours:
Monday – Friday (No weekends or holidays)
7:00 a.m. – 5:30 p.m.
Construction crews will work to:
- Replace approximately 1,800 feet of water main.
This project will ensure Golden State Water can continue providing reliable water service to local customers.
View the Construction Notice.
Water Main Improvements (Woodland Dr. to Mar Vista Dr.)
Location: The new pipeline will be installed on Doris Avenue from Woodland Drive to Mar Vista Drive.
Project Timeline:
February 2024 – May 2024
Working Hours:
Monday – Friday (No weekends or holidays)
7:00 a.m. – 5:30 p.m.
Construction crews will work to:
- Replace approximately 1,200 feet of water main.
This project will ensure Golden State Water can continue providing reliable water service to local customers.
View the Construction Notice.
Recently Completed Projects
Water Main Replacement
Location: Los Osos Valley Road from 10th Street to 9th Street, Bayview Heights Drive to Bay Oaks Drive.
Project Timeline:
September 11, 2023 – February 9, 2024
Working Hours:
Monday – Friday (No weekends or holidays)
7:00 a.m. – 4:00 p.m.
Construction crews will work to:
- Replace approximately 1,200 feet of water main.
This project will ensure Golden State Water can continue providing reliable water service to local customers.
View the Construction Notice.
View the Project Map.
San Luis Obispo County
Bayview Heights Dr. from Highland Dr. to North of Ocean View Pl.;
and on Highland Dr. from Bayview Heights Dr. to Palisades Ave.
Project Timeline:
October 2, 2017 – March 2018
Working Hours:
8 a.m. – 5 p.m.
Construction crews will work to:
- Install 2,000 ft. of water pipe
The new pipeline will improve the hydraulics of the system and provide more reliable service to our customers.
View the construction notice.