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Local Guidelines for Implementing the <br />California Environmental Quality Act (2023) INITIAL STUDY <br /> <br /> <br />2023 City of Santa Ana Local Guidelines 5-14 ©Best Best & Krieger LLP <br />sufficient to satisfy the demands of the project, in addition to existing and planned <br />future uses. If a city or county determines that water supplies will not be sufficient, <br />the city or county shall include that determination in its findings for the project. <br />The degree of certainty regarding the availability of water supplies will vary depending on <br />the stage of project approval. A Lead Agency should have greater confidence in the availability of <br />water supplies for a specific project than might be required for a conceptual plan (i.e. general plan, <br />specific plan). An analysis of water supply in an environmental document may incorporate by <br />reference information in a water supply assessment, urban water management plan, or other <br />publicly available sources. The analysis shall include the following: <br /> <br />(1) Sufficient information regarding the project's proposed water demand and proposed <br />water supplies to permit the Lead Agency to evaluate the pros and cons of supplying the <br />amount of water that the project will need. <br /> <br />(2) An analysis of the reasonably foreseeable environmental impacts of supplying <br />water throughout all phases of the project. <br /> <br />(3) An analysis of circumstances affecting the likelihood of the water's availability, as <br />well as the degree of uncertainty involved. Relevant factors may include but are not limited <br />to, drought, salt-water intrusion, regulatory or contractual curtailments, and other <br />reasonably foreseeable demands on the water supply. <br /> <br />(4) If the Lead Agency cannot determine that a particular water supply will be <br />available, it shall conduct an analysis of alternative sources, including at least in general terms <br />the environmental consequences of using those alternative sources, or alternatives to the project <br />that could be served with available water. <br /> <br />For complete information on these requirements, consult Water Code sections 10910, <br />et seq. For other CEQA provisions applicable to these types of projects, see Local Guidelines <br />Sections 7.03 and 7.25. <br />5.17 SUBDIVISIONS WITH MORE THAN 500 DWELLING UNITS. <br />Cities and counties must obtain written verification (see Form “O” for a sample) from the <br />applicable public water system(s) that a sufficient water supply is available before approving <br />certain residential development projects. If the City is a municipal water provider for a project, <br />the city or county may request such a verification from the City. The City should also be aware <br />of these requirements when reviewing projects in its role as a Responsible Agency. <br />Cities and counties are prohibited from approving a tentative map, parcel map for which a <br />tentative map was not required, or a development agreement for a subdivision of property of more <br />than 500 dwellings units, unless: <br />(1) The City Council, Board of Supervisors, or the advisory agency receives written <br />verification from the applicable public water system that a sufficient water supply <br />is available; or