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Eastern San Joaquin Groundwater Basin Groundwater Management Plan Northeastern San Joaquin County Section 8 Groundwater Banking Authority 123 Integrated Conjunctive Use Program near the community of Peters. The Lower Farmington Canal is connected to Mormon Slough by a 78-inch pipeline where water can be re-diverted for irrigation. The 78-inch pipeline also interconnects with the Bellota Pipeline enabling high-quality New Melones water to be conveyed to the SEWD Water Treatment Plant for delivery to customers in the City of Stockton. Figure 8- 12 illustrates the New Melones Conveyance System. The Goodwin Tunnel, completed in 1992, is approximately 3.3 miles long and 14 feet in diameter, with a design flow capacity of 850 cfs. It originates on the north bank of the Stanislaus River, just upstream from Goodwin Diversion Dam in Calaveras County. The Goodwin Tunnel connects with the Upper Farmington Canal, an open trapezoidal channel that extends approximately 7.9 miles to its current terminus near Shirley Creek. Water then flows through the natural creek system of Shirley, Hoods, and Rock Creeks where it finally enters the Farmington Flood Control Reservoir. The maximum capacity of the Natural Canal system is approximately 550 cfs. The Upper Farmington Canal was envisioned to extend northward to the proposed South Gulch Reservoir where excess water from the Stanislaus River could be stored and conveyed through the Calaveras River System (Farmington , 2000). The Peters Pipeline is a proposed addition to the New Melones Conveyance System. The Peters Pipeline is a 6-mile, 60-inch diameter pipeline that will be located parallel to the existing 54-inch diameter Bellota Pipeline from the 78-in pipeline at Mormon Slough to the Water Treatment Plant. Figure 8-13 illustrates the proposed Peters Pipeline route. Water conveyed in Peters Pipeline will be used to increase the delivery capacity at the SEWD Water Treatment Plant. A series of turnouts and laterals from the Peters Pipeline will enable SEWD to serve surface water to areas traditionally reliant on groundwater through integration with the Farmington Program. The average annual increase in water delivery by the New Melones Conveyance System is approximately 7,500 af/yr. The total cost of the Peters Pipeline Project is $7,401,260. SEWD has been selected to receive a Proposition 13 grant for 50% of the project cost. Local cost share for the Peters Pipeline Project will come from available funds of the New Melones Conveyance Project. 8.2.4 South County Water Supply Program The South County Water Supply Program (South County Program) is a cooperative effort between SSJID and the cities of Escalon, Manteca, Lathrop, and Tracy. The goals of the South County Water Supply Program are to: 1. Provide a safe and reliable supplemental water supply for South San Joaquin County; 2. Put to beneficial use conserved water from SSJID entitlements; 3. Keep conserved water within SSJID and San Joaquin County; and 4. Reduce the heavy reliance on groundwater for the urban areas of South San Joaquin County. As previously noted, SSJID has pre-1914 rights to Stanislaus River water. Water served to the participating cities is made available from the implementation of conservation practices, more efficient means of irrigation by SSJID, and through the loss of irrigated agriculture to planned urban growth. The South County Program consists of an intake facility at Woodward Reservoir, a 44 MGD state-of-the-art membrane filtration water treatment plant just west Woodward Reservoir near Dodds Road, and over 40 miles of pipe ending in the City of Tracy. A map of the project can be seen in Figure 8-14. Phase I of the South County Program will serve up to