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6. An urban facilities plan is the best method of providing a framework for capital improvements programming in the River Road and Santa Clara areas. 7. Because of the substantial public investments already made in both neighborhoods, it is most cost-efficient to achieve urban densities in River Road and Santa Clara prior to accommodating new development needs in totally undeveloped areas. 8. The 1970 CH2M Hill Sewerage System Study, River Road-Santa Clara publication dR.emonstrates the feasibility of providing sanitary se, wcrs~:~.a~r....s.~.i.c~ to the River oad- and Santa Clara area in a manner consistent with the Eu~'~'~'~'i~eld Metropolitan Waste Treatment Alternatives Report (208 Facilities Plan) and the Metro Plan. 9. The CH2M ~ublication defined study boundaries and made population projections which are different than those contained in the Metro Plan; modifications to these factors is occurring as part of the required system design work prior to construction. 10. The detailed design work which will occur as part of development of the system will allow discussion of various system concepts with the residents and property owners of the River Road and Santa Clara areas. 11. The River Road-Santa Clara Urban Facilities Plan has been completed. 12. Based on the River Road/Santa Clara Groundwater Study, Final Technical Report, February, 1980 by Sweet, Edwards, and Associates, Inc., the Oregon Environmental Quality Commission~(EQQ found on April 18, 1980, that: a. The River Road~Santa Clara shallow aquifer is generally contaminated with fecal coliform organisms in excess of drinking water and body contact standards. b. Existing nitrate-nitrogen concentrations within the area exceed the planning target on the average. c. About 73 percent of the nitrate-nitrogen pollutants (and, by analogy, a similar share of the fecal coliform contaminations) result from septic tank effluent. Septic tank pollutants can migrate rapidly to the groundwater from drainfields via macropore travel. 13. The EQC concluded that a public health hazard exists based on fecal coliform data for people using the aquifer for domestic (drinking) or irrigation and that a health hazard similarly exists in several areas based on nitrate-nitrogen levels. 14. To remedy the groundwater pollution problem, the Environmental Protection Agency LEPAZawarded Eugene a grant to build a sev,~er-~.~.~.~system to replace the i~i'~i~iual septic systems in use throughout River Road anci"Santa Clara according to a II-F-3