ARCHIVED REPORTS_DRAFT ENVIRONMENTAL IMPACT REPORT

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Design of the WQCF would incorporate all feasible odor control technologies to reduce the potential for the exposure of sensitive receptors to odors. However, at this time it is not possible to determine if these measures would reduce the number of complaints to less than one per year averaged over three years.No further odor reduction measures are feasible, and the impact would remain significant and unavoidable. 6.1.2 CUMULATIVE IMPACTS As indicated in Chapter 5,"Cumulative Impacts,"project implementation would result in direct and indirect cumulatively considerable incremental contributions to significant cumulative impacts related to agriculture, visual resources, and air quality.No additional feasible mitigation is available for the cumulative impacts identified. Because these impacts are a product of cumulative growth, and because no feasible mitigation is available to reduce these impacts to less-than-significant levels,these significant impacts cannot be avoided and thus represent significant and unavoidable adverse impacts. 6.2 SIGNIFICANT IRREVERSIBLE AND ENVIRONMENTAL CHANGES CEQA Section 21100(b)(2) states that an EIR shall include a detailed statement setting forth"[i]n a separate section...[a]ny significant effect on the environment that would be irreversible if the project is implemented." However, a discussion of significant irreversible environmental effects need only be included in EIRs for three types of projects as listed in CEQA Section 21100.1. Specifically, CEQA Section 21100.l(a)requires that a discussion of significant irreversible environmental effects be included in an EIR prepared in connection with "[t]he adoption, amendment,or enactment of a plan,policy, or ordinance of a public agency."Because the project is a master plan update for the expansion of the City of Manteca WQCF and a master plan update for the expansion of the City's wastewater collection system proposed for adoption by the City of Manteca, a discussion of significant irreversible environmental changes is provided in this section. State CEQA Guidelines Section 15126.2 (c)provides the following guidelines for analyzing the significant irreversible environmental changes of a project: Uses of nonrenewable resources during the initial and continued phases of the project may be irreversible because a large commitment of such resources makes removal or nonuse thereafter unlikely. Primary impacts and,particularly, secondary impacts (such as highway improvements which provide access to a previously inaccessible area)generally commit future generations to similar uses. Also irreversible damage can result from an environmental accident associated with the project. Irretrievable commitments of resources should be evaluated to assure that such current consumption is justified. The irreversible and irretrievable commitment of resources is the permanent loss of resources for future or alternative purposes. Irreversible and irretrievable resources are those that cannot be recovered or recycled or those that are consumed or reduced to unrecoverable forms. The proposed project would result in the irreversible and irretrievable commitment of energy and material resources during project construction, operation, and maintenance, including the following: ► construction materials, including such resources as rocks,wood, concrete, glass, and steel; ► human labor for project construction; ► land area committed to new project facilities; ► conversion of agricultural land to urban uses; and ► energy expended in the form of electricity, gasoline,diesel fuel, and oil for equipment and transportation vehicles that would be needed for project construction and operation. EDAW Manteca WQCF and Collection System Master Plans EIR Other CEQA Required Sections 6-2 City of Manteca