In Your Community: Oroville

$56,435 in charitable donations were made in Oroville in 2020, including $10,000 to the Butte County Fire Department$12.6 million in Oroville infrastructure investment over the last 10 years, including almost 2 miles of pipe in 5 years alone2,727 water quality tests on 463 samples in 2020


GAC Treatment Installation

November 30, 2021
Although there are not currently state or federal Maximum Contaminant Levels limiting the amount of PFOS and PFOA in drinking water, we have been proactive in testing our active water sources for the contaminants. We took any wells offline years ago that would have exceeded the existing Response Level for these compounds. While impacted wells have been offline in our Oroville District, we have been installing granular-activated carbon (GAC) treatment facilities to remove the compounds and protect the quality of the water. The new equipment will allow us to return the wells to service, ensuring that we have a safe, reliable water supply for our customers, both as drought conditions continue and for decades to come.

As always, protecting our customers’ health and safety is our top priority. See the progress our crews have been making on the treatment plant installation.
Crane moving tank Worker checking list on truck Truck delivering tanks Crane at installation site New tanks being delivered

Goats for Grazing

September 15, 2021
Vegetation management is a fundamental component of protecting our water system from wildfires. The four acres adjacent to our Oroville water treatment plant have long been a habitat for deer, coyotes, and other critters, but it presents a serious threat if a wildfire were to encroach near the water system. Balancing environmental concerns and complete vegetation removal requires outside-the-box thinking, so we hired 350 Kiko goats to graze this forested area. At a fraction of the cost of other methods, the goats provided an environmentally and financially sustainable solution to long-term wildfire mitigation.

Goats grazing near Oroville tank Goats grazing in Oroville

Infrastructure Investment — Oroville Station 3 Rebuild

July 20, 2021
A brand new pump station has been commissioned and is now in service in Oroville! Like many water utility accomplishments, our brand new station was commissioned quietly, successfully, and without incident. This is in large part due to the years of planning, prioritizing, and ultimately the ownership and passion our employees take when it comes to the health and safety of our community. Thank you to all of our customers for your patience as we worked on this critical project.

New Oroville pump station New Oroville pump station

Integrity — Water on Wheels

July 19, 2021
Planned and unplanned water service interruptions are a necessary part of operating a water system but at Cal Water we recognize the special needs of critical facilities such as hospitals, dialysis centers, and other medical facilities. That’s why we developed our Water on Wheels trailer which contains 600 gallons of safe, clean, and reliable water that can be utilized wherever it is needed. In Oroville, an unplanned water service interruption was required while replacing a fire hydrant. We were able to rapidly deploy our Water on Wheels trailer to successfully maintain service to a medical facility during the interruption. We’re grateful for the community’s patience as we work hard to minimize water service interruption impacts to our customers.

Water on Wheels trailer

Out with the old and in with the new!

June 17, 2021
As part of the pump station rebuild near downtown Oroville, we are replacing both aboveground infrastructure and underground piping. This existing underground piping will be replaced with new ductile iron pipe and fittings. New gate valves have also been installed and are wrapped in plastic to minimize long-term corrosion. This new pipe will ensure we continue to provide a reliable supply of safe, clean water.

Inside the station, with the pumps and electrical components set, the brick building is going up and the roof is being constructed. Soon, all critical infrastructure will be protected from the elements inside the brick building to help extend the life of this equipment. By protecting these assets, we’re maximizing the value of this investment in the Oroville system.

New building construction Old piping removal New piping installation

Infrastructure Investment

May 15, 2021

At California Water Service, we are committed to providing quality, service, and value to our customers. That is why we invest in infrastructure and perform regular maintenance to ensure our service remains reliable and the water high-quality.

In our Oroville District, we are busy at work rebuilding our pump station near historic downtown, which will transport water from our treatment plant to a 2-million-gallon water tank in the most elevated part of our system. As part of the rebuild, we are replacing three booster pumps and installing two surge tanks and a generator. These improvements will minimize impacts from pressure surges, make the water system resilient to power outages, and reduce the likelihood of aging pump failures. We believe that by investing in this station, we are investing in the future of the Oroville system, making sure we provide a reliable supply of safe, high-quality water to Oroville customers during both drought years and wet years alike.

Pump station construction Pump station construction Pump station construction

In addition to the pump station rebuild, we are taking care of the infrastructure we already have in place. Twice each year, we drain the sedimentation basins at our treatment plant and utilize high-pressure water to wash down the basins and remove any accumulated organic material. Cleaning the sedimentation basins improves operational efficiency and provides the ability to produce high-quality water as we head into the warmer, high-demand season.

Pump station construction Pump station construction

These projects will ensure customers and firefighters continue to have the water they need for their everyday and emergency needs. Check back on this page, as we communicate about more infrastructure improvement projects to benefit Oroville in the months ahead.