Residents and businesses across the Tri-Valley are being asked to voluntarily reduce outdoor water use from June 27 through July 2 as California's State Water Project undergoes planned seasonal maintenance.
The request comes from Zone 7 Water Agency, working alongside California Water Service, Livermore Municipal Water Service, Dublin San Ramon Services District, and Pleasanton Municipal Water Service. The agencies say the short-term conservation effort will help preserve local water reserves while imported water deliveries are temporarily reduced.
A Planned Pause — Not a Water Shortage

[Pic Credit: zone7waterca.gov/swpmaintenance]
Officials emphasize that this is not a drought emergency or an indication of a failing water supply.
Instead, the California Department of Water Resources is performing routine maintenance on facilities within the State Water Project, the massive network that provides roughly 70% of the Tri-Valley's drinking water. During the maintenance window, less imported water will be available, making local groundwater and stored reserves especially important for meeting essential needs.
Water providers have planned for the temporary reduction and expect to continue supplying customers without interruption. The voluntary conservation effort is intended to reduce unnecessary demand and ensure sufficient water remains available for homes, hospitals, emergency services, and fire protection.
What Residents Are Asked to Avoid
During the six-day period, water agencies encourage customers to postpone outdoor activities that consume significant amounts of water, including:
Watering lawns, gardens, and landscaping
Washing vehicles at home
Filling or topping off swimming pools
Power washing driveways, sidewalks, or patios
Other non-essential outdoor water use
Properties that rely on recycled water for irrigation are not affected by this request because recycled water systems remain fully operational during the maintenance period.
Preparing Ahead
Rather than watering during the conservation period, residents are encouraged to prepare beforehand by:
Deep watering landscapes before June 27
Repairing irrigation leaks
Turning off or shortening automatic sprinkler schedules
Covering swimming pools to reduce evaporation
Filling pools before the maintenance begins, if necessary
Normal outdoor watering and other activities may resume beginning July 3, once State Water Project operations return to normal.
Why It Matters
The Tri-Valley's growing communities—including Pleasanton, Livermore, Dublin, and San Ramon—depend heavily on imported water delivered through California's statewide water system. Planned maintenance is a routine part of keeping this infrastructure reliable, but even short interruptions highlight how interconnected local water supplies are with statewide operations.
While the conservation request lasts only six days, water experts note that efficient outdoor watering remains one of the easiest ways for residents to reduce water waste year-round.
For local families, the message is simple: skip the sprinklers for a few days today to help ensure reliable water when it matters most tomorrow.
To add or correct any information in this report, please contact me at teri.t@lead4earth.org
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