COMPLIANCE INFO_1991-2006 - Laserfiche WebLink

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Most of theing area is potentiall ime farmland. Agriculture conti es to constitute a major p tion of San Joaquin County's economic base. Approximately 696 ,160 acres were in agricultural production in the county during 1984. Agriculture constitutes the predominant land use in the planning area with fruit and nut orchards , field crops, vegetable, seed, and other row crops , vineyards and pasture, the main uses. One principal factor limiting agriculture in the planning area is the availability of productive soils. As urbanization encroaches on farm lands , productive soils are permanently removed from agricultural use. The value of agricultural habitat to wildlife depends on several factors, such as the type of crop, irrigation systems, pesticide use, farming practices , and the surrounding land use. Suitable wintering habitat is a critical limiting factor for many Pacific Flyway waterfowl populations. The Central Valley is habitat for roughly 60 percent of all Pacific Flyway waterfowl and for 91 percent of all waterfowl wintering in California. Unflooded fields and pastureland provide habitat for the three most important game birds in.the Delta: the native California quail , -the mourning dove, and the introduced ring-necked pheasant. The abundance of these birds on agricultural lands is increased by the proximity to riparian vegetation. Orchards and vineyards are used by songbirds as feeding and nesting habitat, particularly during the spring and summer. Also, birds of prey hunt over agricultural lands. Common birds of prey found in the project area are black-shouldered kites , red-tailed hawks , and American kestrels. On June 6 , 1984, the Environmental Protection agency issued a Finding of No Significant Impact (FNSI) on the now-constructed Phase I expansion of the City of Manteca wastewater treatment plant. This plant was designed to serve a total Manteca service area population of 46 ,268 in year 1994 plus 7 ,070 people in Lathrop in year 2004. The treatment plant, as presently configured, can provide secondary level treatment for a flow of 5. 45 million gallons per day (mgd) average dry weather flow (ADWF) . The present sewage flow consists of a total ADWF of 4.57 mgd, of which about 0. 29 mgd is from industries. The industrial flow has periodically risen to 0. 55 mgd due to the seasonal nature of the food processing industry. Most of the effluent is disposed to the land. Some effluent is discharged to the San Joaquin River in the winter when flows are high. The City of Manteca asked the Environmental Protection Agency (EPA) to approve their plan to construct the Phase II expansion (1.5 mgd ADWF) of the treatment plant prior to 1994. The expansion would be done under an amendment to the grant, though no increase in Federal or State funds would be involved. Population growth in Manteca has occurred at a greater rate than originally anticipated in the facilities plan which was written in 1981. 3