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Important Fish and Wildlife of: <br /> a. Service Area: French Camp Slough and the San Joaquin <br /> River are migratory routes for king and silver salmon and <br /> striped bass , which spawn upstream; many waterfowl also <br /> frequent the area; in the urbanized areas, domestic animals <br /> and wild animals tolerant of human activities are found. <br /> b. Facilities Site: Same as for <br /> service area. <br /> c. Disposal/Irricration Site: Same as for service area. <br /> The California Natural Diversity Database has one record of a <br /> threatened or endangered species occurring within the planning <br /> area, a recorded sighting of the Delta coyote-thistle. In <br /> addition, the Manteca vicinity provides habitat which may be used <br /> by other important species: slough thistle, Aleutian Canada <br /> goose, Swainson's hawk, greater sandhill crane, San Joaquin kit <br /> fox, and valley elderberry longhorn beetle. <br /> Few significant natural areas occur in the vicinity of Manteca. <br /> Vernal pools , recognized as unique habitats in the Central <br /> Valley, have not been reported within the planning area (Natural <br /> Diversity Database, 1985 ) , and it is unlikely that vernal pools <br /> existed prior to agricultural development. In addition, no <br /> significant natural areas have been identified for this area by <br /> the California Natural Areas Coordinating Council , the Landscape <br /> Preservation Study, or the Areas of Significant Biological <br /> Importance maps. <br /> No wild and scenic rivers flow through or near the facilities or <br /> disposal site or the service area. <br /> Groundwater Resources: <br /> The Cities of Manteca and Lathrop use groundwater as the sole <br /> source for drinking water. Groundwater underlying the facilities <br /> or disposal/irrigation site, service area, or nearby areas is <br /> generally five to thirty feet below the surface. The water table <br /> is deepest in the northeast part of the service area. The <br /> groundwater is nearer the surface in spring than in autumn. <br /> Approximately 70% of the groundwater pumped in the area is for <br /> domestic use. <br /> Area water levels are buoyed by the proximity of the Delta <br /> channels to the west and recharge from irrigation of agricultural <br /> lands surrounding the city. In addition, groundwater recharge <br /> occurs from the Stanislaus River and the hills to the east of the <br /> planning area. <br /> Saltwater intrusion into public wells has been identified in the <br /> past as a problem with Lathrop. Wells have been closed as a <br /> result. Testing of wells for saltwater intrusion is required by <br /> the San Joaquin County Health Department within an area bounded <br /> 3 <br />