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Eastern San Joaquin Groundwater Basin Groundwater Management Plan encompasses north of the Calaveras River, however, the City also serves areas in South Stockton. The Stockton MUD has 22 wells in North Stockton and seven wells in South Stockton providing groundwater to its customers. SEWD also provides surface water to the three suppliers. Approximately 45% of the Stockton MUD's water deliveries come from groundwater, and 55% is treated surface water from SEWD. Saline intrusion in the Stockton area is a continual concern even with surface water deliveries from SEWD to offset some pumping. Adopted in 2000, the City of Stockton Urban Water Management Plan outlines numerous demand management measures (DMM) to promote conservation including an extensive water conservation education program. The Stockton Area Water Suppliers (SAWS) which includes SEWD, Stockton MUD, San Joaquin County, and Calwater, coordinates monthly to oversee implementation of the conservation education program. SAWS has sponsored the award winning Sally-Save-Water campaign since 1990. The Sally-Save-Water campaign actively promotes water conservation through school visits, television advertisements, educational videos, posters and handouts. The campaign has also been recognized for its achievements by receiving a San Joaquin County Council of Governments Regional Excellence Awards. SAWS is also active in the promotion of the statewide declaration of May as Water Awareness Month. Projected growth of the City of Stockton is expected to increase from its 2000 demand of 68,000 of/yr to the 2015 General Plan build out demand of 85,330 of/yr and ultimately to 177,900af/yr in 2050. In order to address the increase in demand, the City of Stockton is currently working to perfect a water right application for a Delta water supply. Citing Water Code Section 1485 and the watershed of origin priority, the City seeks to secure up to 125,900 of/yr from the Delta to the urban area. The Delta Water Supply Project is a major component in the efforts of the Authority to restore the health of the Basin. California Water Service Company (Associate Member of the Authority) —The California Water Service Company (Calwater) serves approximately 42,250 connections within the City of Stockton primarily south of the Calaveras River as well as 10,950 beyond the City limits. Calwater is contracted to receive 50% to 55% of SEWD treated water deliveries and supplements the supply with 34 active wells. In 2001, an Urban Water Management Plan was adopted for the Stockton District Calwater service area. Calwater actively participates in the conservation activities of the SAWS and has implemented an ultra low flush toilet rebate program and a plumbing retrofit program. Calwater participated in the activities of the East San Joaquin Parties Water Authority and have been contributing Associate Member of the Authority. Calwater is limited in its financial participation to the Authority because it is an investor owned public utility and is stringently regulated by the California Public Utilities Commission. City of Manteca—The City of Manteca straddles State Route 99 south of Stockton. According to the 2002 City of Manteca Urban Water Management Plan, 16 wells provide groundwater to a population of approximately 50,000 with more wells planned for construction. Manteca is currently entirely dependant on groundwater to for its municipal and industrial needs. Since 1998, the City has implemented the following BMPs: Large Landscape Conservation Programs and Incentives, Commercial, Industrial, and Institutional Conservation Programs, Residential Water Audits, Water Metering, Residential Plumbing Retrofit, Public Information and Education Programs, Conservation Coordinator, Conservation Pricing, and Water Waste Prohibition. Up Northeastern San Joaquin County Section 1 Groundwater Banking Authority 33 Introduction