Urban Water Management Plan 2015

of water has been treated. The plume of perchlorate in groundwater was at one time ten-miles long, according to the 2010 UWMP, but has been getting smaller and approximately extends from Tennant Avenue to the San Martin Airport according to SCVWD. 6.2.2 Groundwater Management This section documents relevant plans addressing groundwater supply and quality. Law 10631. (b) …if groundwater is identified as an existing or planned source of water available to the supplier, all of the following information shall be included in the plan: 10631 (i) A copy of any groundwater management plan adopted by the urban water supplier…or any other specific authorization for groundwater management. 10631 (ii) For basins that a court or the board has adjudicated the rights to pump groundwater, a copy of the order or decree adopted by the court or the board and a description of the amount of groundwater the urban water supplier has the legal right to pump under the order or decree. 6.2.2.1 Groundwater Management Plan The Santa Clara Valley Water District (SCVWD) prepared a Groundwater Management Plan report published in 2012 (2012 GMP). The 2012 GMP delineates the role of SCVWD as groundwater managers within the County, as well as provides details of the basins to which the District maintains. The following are excerpts taken from the Executive Summary section of the 2012 GMP. The Santa Clara Valley Water District (District) is the groundwater management agency for the Santa Clara and Llagas Subbasins in Santa Clara County. The District is also the primary water wholesaler, flood manager, and watershed steward for the county. The District was formed in 1929 by an act of the California legislature through the Santa Clara Valley Water District Act1 (District Act) for the purpose of providing comprehensive management for all beneficial uses and protection from flooding within Santa Clara County. Per Sections 4 and 5 of the District Act, the District’s objectives and authority related to groundwater management are to recharge groundwater basins, conserve, manage and store water for beneficial and useful purposes, increase water supply, protect surface water and groundwater from contamination, prevent waste or diminution of the District's water supply, and do any and every lawful act necessary to ensure sufficient water is available for present and future beneficial uses. Using the District’s overall water supply management objectives, the following basin management objectives (BMOs) were developed: BMO 1: Groundwater supplies are managed to optimize water supply reliability and minimize land subsidence.

August 2016

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City of Morgan Hill 2015 Urban Water Management Plan