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For more detailed information on the local wastewater rate schedule, see Table 7. For formula and calculation details, see Appendix F. 1.2 Residential Development Rates An analysis based upon 1997 Eugene Water & Electric Board (EWEB) residential account data indicated a correlation between water usage and square feet of living area. The resultant SDC rate structure, applies a charge for every residential dwelling unit (be it a single-family home, a single-family accessory unit, each space of a mobile home park, each unit of a duplex, or each unit of an apartment complex) of a base rate plus the total living area in square feet multiplied by a rate factor. Additions to residential units that increase the living area will be charged per square foot of increased living area by the same rate factor. For current rates, see Appendix F. 1,3 Non-Residential Development Rates The SDC rate structure for non-residential development applies a land use factor to the number of Plumbing Fixture Units (PFUs) for a development. This factor is intended to capture different intensities of use of plumbing fixtures by different types of non- residential customers. The factors were developed based on an analysis of actual water usage by land use category, correlated to PFUs. The number of PFUs for a particular development is determined using the PFU tables and calculation methods contained in the applicable Plumbing Code at the time of permit application. The local wastewater rate schedule shown in Table 7 reflects rates per PFU for various development types indicated by an SDC use code. Developments are assigned an SDC use code based on the HUD/BPR land use code assigned at the time of permit application. For development types that are not included in the HUD/BPR land use codes a default PFU flow assignment, based on the average flow per PFU of all records in the data sample used to determine flow per PFU by land use category, will be used to calculate the SDC charge. When, due to extraordinary wastewater discharge flow, it has been determined by the City Engineer that PFU flow assignment as reflected in the rate table is not a reliable measure of the development's claim on system capacity, the SDC charge will be based on the development's estimated daily wastewater flow when in full use or production. The City Engineer may require that the owner(s) enter into an agreement with the City to review water usage or wastewater discharge at such time that the development is in full use or production. City of Eugene SDC Methodologies Wastewater~