For additional information or if you have further questions about the San Bernardino Valley Municipal Water District, please call the Agency office at (909) 387-9200.

Water is delivered throughout San Bernardino Valley's service area via 42 miles of 12" to 78" diameter pipelines. The Agency has constructed its major transmission pipelines as joint ventures with other water agencies to save money which would otherwise have been spent on parallel pipelines.

San Bernardino Valley is a water wholesaler and sells water to most of the retail water agencies within its service area. The retail agencies include the costs of this purchased water in their expenses and bills to provide water to their consumers.

The San Bernardino Valley Municipal Water District's primary source of water is from the California State Water Project (SWP) through the East Branch of the State Aqueduct via Lake Silverwood.  However, San Bernardino Valley and Western Municipal Water District have filed water rights applications with the State Water Resources Control Board to obtain authorization to divert water from the Santa Ana River.

The single largest source of revenue for San Bernardino Valley is property taxes that appear on your property tax bill. The Tax Rate for the SWP and District Bonds in fiscal year 2024-25 is $0.11 per $100 of assessed valuation. For a house assessed at $100,000, the taxes paid to the San Bernardino Valley Municipal Water District would be $110.00.

This year San Bernardino Valley's share of the project costs are about $90,442,154.  Payments to the State of California Department of Water Resources will continue until the year 2035.

San Bernardino Valley's State Contract Entitlement is 102,600 acre-feet per year.   The amount of water actually available may vary each year as a consequence of climatic conditions throughout the State of California. 

The Board of Directors of the San Bernardino Valley Municipal Water District voted and contracted to participation in the State Water Project in December 1960. The voters of the State of California approved the construction of the Feather River Project, now called the State Water Project (SWP) through a state-wide general election in November 1960. 

San Bernardino Valley Municipal Water District is a Municipal Water District that was organized on February 17, 1954, in accordance with the Municipal Water District Act of 1911 as codified in the State of California Water Code Sections 71000 and following.  The San Bernardino Valley Municipal Water District was organized to provide supplemental water to the San Bernardino Valley and has many functions authorized under the Water Code including recreation, electrical power, sewage, waste and storm water disposal and fire protection.  San Bernardino Valley is the fifth largest of 29 contractors who are part of the California State Water Project (SWP). San Bernardino Valley's maximum annual entitlement to State Project Water is 102,600 acre-feet, out of a total for all 29 contractors of 4,185,000 acre-feet. One acre-foot of water will serve the needs of a family of 5 for approximately one year.

San Bernardino Valley serves a 353 square mile area and includes the cities and communities of Bloomington, Colton, East Highlands, Grand Terrace, Highland, Loma Linda, Mentone, Redlands, Rialto, Yucaipa, San Bernardino and portions of Fontana and Riverside County. The approximate population within San Bernardino Valley's service area is approximately 714,000 people. View San Bernardino Valley's service area map and division boundaries.

The San Bernardino Valley Municipal Water District (San Bernardino Valley) was incorporated on February 17, 1954, pursuant to the Municipal Water District Act of 1911 as codified in State of California Water Code Sections 71000 and following.

Thankfully, across the region, San Bernardino Valley and your retail water provider have been working to ensure that all customers have the water you need, when you need it. Thanks to local efforts, residential water use has gone down by 19% in the last 10 years. We are encouraging all customers to be good stewards of our water resources by using water efficiently. From fixing broken sprinkler heads, to turning down the time on sprinkler timers, to repairing toilet flapper leaks, all of these efforts will help us continue to save water.

San Bernardino Valley encourages you reach out to your retail water provider to find out if they have any water restrictions currently in place. Enter your address on this map to find out who your retail water provider is. 

Special Districts are a unique form of government, created by a community to meet a specific need. There are over 2,000 special districts in California. Nearly 85% of California’s special districts perform a single function such as sewage, water, fire protection, pest abatement, or cemetery management. Multi-function districts, like community services districts, provide two or more services. These local agencies are directly accountable to their residents and they are passionate about providing high-quality services and resources in the most efficient and effective manner. The San Bernardino Valley Municipal Water District is a special district. To learn more about Special Districts, visit this website.

San Bernardino Valley is in the midst of a 30-year drought; dry conditions are nothing new. Thanks to proactive and responsible planning, the Agency is well equipped with a drought resilient water supply for our customers. San Bernardino Valley’s successful long-term approach to water supply planning includes investments in several water supply strategies to ensure water is available in times of drought.

• Groundwater storage: the region has over 10 million acre-feet of groundwater storage space, which is over 80% full.
• State Water Project: $1 billion invested in the State Water Project since 1972 to supplement local water supplies.
• Depending on weather conditions, 15,000 to 80,000 acre-feet of stormwater is captured through enhanced recharge and stored locally to make it through prolonged drought.
• Over 1 million acre-feet of water have been brought to the region to help water supply reliability since 1972.
• Water conservation partnership programs with retail water providers throughout the region also ensure water supply reliability.