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<br /> <br />Soil Investigations for Data Collection in the Delta <br />Initial Study/Proposed Mitigated Negative Declaration 198 <br />ENVIRONMENTAL ISSUES <br />Potentially <br />Significant <br />Impact <br />Less Than <br />Significant <br />with <br />Mitigation <br />Incorporated <br />Less Than <br />Significant <br />Impact <br />No <br />Impact <br />e) Would the project comply with <br />federal, state, and local <br />management and reduction <br />statutes and regulations related <br />to solid waste? <br /> <br /> <br /> <br />3.19.1 Environmental Setting <br />3.19.1.1 Wastewater Collection and Treatment Systems <br />Wastewater collection and treatment services in the Study Area are provided by cities, <br />counties, and special districts. Wastewater treatment facilities with collection systems <br />typically are located in urban areas. In some rural areas where sewer service is <br />unavailable, residents and businesses dispose of wastewater in on-site septic systems. <br />Treatment plants for individual nonindustrial developments also exist in some areas to <br />treat localized wastewater from mobile home parks, apartment complexes, and resorts. <br />Municipal sewer systems consist of sewer collection pipelines, treatment facilities, and <br />outfall structures or disposal systems. Secondary or tertiary treated effluents are <br />typically discharged into rivers, streams, creeks, and sloughs. Methods of land disposal <br />include evaporation/percolation ponds or application to irrigated agricultural lands. <br />Recycled effluent is also used for industrial purposes or agricultural irrigation during the <br />summer months. In some cases, municipalities may provide wastewater collection <br />infrastructure and services that discharge to regional facilities owned and operated by <br />another municipality (Delta Stewardship Council 2017). <br /> <br />Wastewater treatment facilities located near Impact Areas include the Discovery Bay <br />Wastewater Treatment Facility, White Slough Wastewater Treatment Facility, Courtland <br />Wastewater Treatment Facility, Isleton Wastewater Treatment Facility, and Rio Vista <br />Wastewater Treatment Facility. <br />3.19.1.2 Water Supply and Distribution Systems <br />Water service providers in the Study Area include cities and counties, special districts, <br />and private utilities. Water service providers range in size from those with a few service <br />connections to those with thousands of connections. Most water service providers <br />obtain their water from surface water, groundwater, or a combination of these sources. <br />The amount of water available to these service providers is defined by water rights,