Brentwood highlight
Proximity to the Delta
Brentwood sits in Contra Costa County adjacent to the Sacramento-San Joaquin Delta, a 1,100-square-mile estuary that supplies water to 30 million Californians and shapes the region's climate and agriculture.
The Sacramento-San Joaquin Delta, the largest estuary on the West Coast, is formed where the Sacramento and San Joaquin rivers meet before flowing into the San Francisco Bay. The Delta spans 738,000 acres across six counties, including Contra Costa County where Brentwood is located. The region's two major river systems gather water from a watershed covering nearly 60,000 square miles, about 40 percent of California's entire land mass, making the Delta the convergence point for runoff from the Sierra Nevada, the Cascade Range, and interior valleys.
The Delta's water supplies 30 million residents and irrigates more than 6 million acres of farmland. In the Brentwood area, local waterways including Sand Creek and Willow Pass connect to this larger system, and the region's groundwater and surface water both depend on the Delta's hydrological balance. The estuary is also critical habitat for more than 750 animal and plant species, including threatened salmon populations and native fish, and serves as a crucial migration corridor for waterfowl and shorebirds that travel the Pacific Flyway.
Communities near the Delta depend on its resources in ways both visible and hidden: through irrigation for farms, drinking water for households, and the ecological health that supports recreation and wildlife. Economic planning in Brentwood—for families, for farms, for businesses—is inherently tied to managing the risks that come with dependence on a shared and sometimes volatile resource. Life insurance protects against the personal financial shocks that make those broader adjustments harder to absorb.