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History & Purpose

The History of Mesa Consolidated Water District

The Early Years
The community Mesa Consolidated Water District ( Mesa) is located in and proudly serves, was established on what is known as the “coastal tableland” in about 1906. At that time, the city of Costa Mesa was known as Harper. Only a few years earlier, severe drought had driven most of the original farming families away.

The Water Begins to Flow
The La Habra Valley Land and Water Company built the first water system in the area and drilled the very first well in 1910, bringing much needed water to the parched community. In 1913 the Fairview Farms Mutual Water Company constructed a system to be used for agricultural purposes and in 1918 the Newport Heights Irrigation District was formed to serve domestic and irrigation water. These two agencies later acquired the facilities of the La Habra Water Company.

The Growth of a Community
Because of the continued growth in the early 1900s, the Newport Mesa Irrigation District and the Santa Ana Heights Water Company were created to meet the demand of the booming community. Years later, two of the agencies renamed themselves. The Fairview Farms Mutual Water Company became the Fairview County Water District and Newport Heights Irrigation District became the Newport Mesa County Water District.

The Historical Merger
In 1953, the city of Costa Mesa became an incorporated city and in 1955, it created a municipal water system to serve the areas beyond the four existing district boundaries.

On June 30, 1959, the Governor of California, Edmund Gerald “Pat” Brown, Sr. signed Senate Bill 1375 (Costa Mesa District Merger Law). On January 1, 1960, Mesa (formerly known as the Costa Mesa County Water District) commenced operations by acquiring the assets and obligations and assumed the responsibility of consolidating the city of Costa Mesa's Water Department, Fairview County Water District, Newport Heights Irrigation District, and Newport Mesa County Water District. The Santa Ana Heights Water Company was originally involved in merger discussions, but withdrew before consolidation.

Mesa set a precedent with this merger as the first California water agency to consolidate two or more water agencies and assume both their assets and debts.


The Purpose of Mesa Consolidated Water District

The Service Area
Mesa Consolidated Water District provides water service to more than 110,000 customers in an 18 square mile area. The service area includes the City of Costa Mesa, parts of Newport Beach, and some unincorporated sections of Orange County, including the John Wayne Airport.

The Board of Directors
Mesa is governed by a five-member Board of Directors. The service area is divided into five divisions. One individual from each division is publicly elected to serve a four-year term as a Director.

The Source
Mesa’s water is a blend of local ground water and imported water from Northern California and the Colorado River. From Mesa’s nine wells, groundwater is pumped from Orange County’s groundwater basin which underlies north-central Orange County from Irvine to the Los Angeles County border and from Yorba Linda to the Pacific Ocean. It is replenished by water from the Santa Ana River and imported water purchased from the Metropolitan Water District of Southern California.

Beginning in the early ‘80s, Mesa became the first water purveyor in Orange County to treat and distribute colored water. In January 2001, Mesa opened its model Colored Water Treatment Facility and has effectively reduced the district’s reliance on costly imported water. The facility produces and treats groundwater at a rate of 4,000 gallons per minute.

The Mission
Dedicated to Satisfying Our Community’s Water Needs

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