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INITIAL STUDY (EIR - 3-80) <br /> CITY OI�.TOCKTON WASTEWATER RECLAM�ON PROJECT <br /> PROJECT DESCRIPTION <br /> In order to comply with State Water Resources Control Board (SWRCB) <br /> requirements, the City of Stockton constructed a tertiary treatment <br /> facility at the Main Water Quality Control Plant in west Stockton. In <br /> 1976, the City studied the potential for reuse of the plant's high <br /> quality effluent. While this study mainly examined industrial uses, the <br /> SWRCB recommended other uses, including agricultural . A 1977 <br /> Screening Study examined a multitude of reuse options. In -1979, use <br /> of secondary treated wastewater for agricultural irrigation was deter- <br /> mined to be the most viable option. This project was developed as a <br /> result. <br /> The project will pump secondary treated wastewater from the Main Water <br /> Quality Control Plant to approximately 800 acres of agricultural land <br /> south of Stockton near reVh! aamp. -The wastewater will be used <br /> there for crop irrigation. <br /> The project will be comprised of a 3,500 gallon per minute pump station <br /> at the treatment plant and 29,000 feet of pipeline ranging in diameter <br /> from 14 to 24 inches. The pipeline will run south of the plant on <br /> Robert Road from Highway 4 to Rolerson Road. From Rolerson it will <br /> turn on to Wolfinger Road and then east on Wolfe Road. <br /> The pipeline will continue east across the San Joaquin River to the <br /> agricultural parcels. The 800 acre agricultural site is divided into four <br /> parcels: two for present use, and two for future expansion. (The <br /> attached figure shows project location.) Much of the pipeline will be <br /> constructed within existing road right-of-ways. <br /> POTENTIAL IMPACTS <br /> The objective of the project is twofold: (1 ) to decrease the amount of <br /> secondary treated effluent which must receive tertiary treatment and <br /> (2) utilize the nutrients (i.e. , nitrogen) in the secondry effluent for <br /> agricultural uses. Because of this the project is expected to have a <br /> net positive environmental effect. Potential environmental issues do <br /> exist, though, as identified in the attached Initial Study Checklist. <br /> These include the following: <br /> o Temporary impacts associated with pipeline construction <br /> o Change in ground-water levels <br /> o Possible change in ground-water quality <br /> o Potential effects associated with the use of secondary treated <br /> water to field workers or to produce consumers <br />