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Draft 9/29/14 <br />accommodating new development needs in totally undeveloped areas. <br />8.The 1970 CH2M Hill Sewerage System Study, River Road-Santa Clara publication <br />demonstrates the feasibility of providing wastewater service to the River Roadand Santa <br />Clara area in a manner consistent with the Eugene-Springfield Metropolitan Waste <br />Treatment Alternatives Report (208 Facilities Plan) and the Metro Plan. <br />9.The CH2M Hill publication defined study boundaries and made population projections <br />which are different than those contained in the Metro Plan; modifications to these factors <br />is occurring as part of the required system design work prior to construction. <br />10.The detailed design work which will occur as part of development of the system will <br />allow discussion of various system concepts with the residents and property owners of <br />the River Road and Santa Clara areas. <br />11.The River Road-Santa Clara Urban Facilities Planhas been completed. <br />12.Based on the River Road/Santa Clara Groundwater Study, Final Technical Report, <br />February, 1980 by Sweet, Edwards, and Associates, Inc., the Oregon Environmental <br />Quality Commission (EQC) found on April 18, 1980, that: <br />a.The River Road-Santa Clara shallow aquifer is generally contaminated with fecal <br />coliform organisms in excess of drinking water and body contact standards. <br />b.Existing nitrate-nitrogen concentrations within the area exceed the planning target <br />on the average. <br />c.About 73 percent of the nitrate-nitrogen pollutants (and, by analogy, a similar <br />share of the fecal coliform contaminations) result from septic tank effluent. <br />Septic tank pollutants can migrate rapidly to the groundwater from drainfields via <br />macropore travel. <br />13.The EQC concluded that a public health hazard exists based on fecal coliform data for <br />people using the aquifer for domestic (drinking) or irrigation and that a health hazard <br />similarly exists in several areas based on nitrate-nitrogen levels. <br />14.To remedy the groundwater pollution problem, the Environmental Protection Agency <br />(EPA) awarded Eugene a grant to build a wastewater system to replace the individual <br />septic systems in use throughout River Road and Santa Clara according to a prescribed <br />time frame. <br />15.Efforts toward incremental and voluntary annexation of River Road and Santa Clara <br />properties to Eugene and connection to the wastewater system according to the EPA’s <br />time frame have not been successful. <br />II-F-3 <br />