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will not be dependent upon existing Cie Elam water rights, but rather will provide their awn <br />water rights as development occurs. <br />Water S m Requiremats pBd Level 2L Service <br />Water systems must be able to reliably and economically supply water that meets state standards <br />for drinking water quality in sufficient quantities and at adequate pmmaures to meet existing and <br />projected demands within the planriing period. Performance and design criteria upon which the <br />system analysis are derived from the following sources: <br />Q State board of Health Drinking Water Regulations (WAC 246-290); <br />* Water System Coordination Act Fire Flow Regulations (WAC 248-57); <br />* Sizing Guidelines far Public Water Supplies; <br />Planning Handbook: A Guide for preparing Water Systern Plans; <br />n Recommended Standards for Water Works, Policies for the Review and Approval of <br />Plans and Sperm$cations for Public Water Supplies, A Report of the committee of the <br />Creat Lakes -- Upper Mississippi Rive` Board of State Public Health and Environmental <br />Managers; <br />o Insurance Services Office Guide for Determination of Required Fire Flow; <br />• Public Law 93-523, Safe Drinking Water Act; and <br />o Public Law 99-339, Safe Drinking Water Act Amendments of 1986. <br />Sanhary Sewer System <br />The city has completed its revised plan fcw the Sanitary Sewer System and operates a new sewer <br />treatment facility located on Owens Road. This Sewer Comprehensive Plan serves as a complete <br />inventory of existing facilities and seavieea. These projections were prepared by URS as <br />conm4ting engineers for the City of Cle Elum. Included are estimates on service arm, <br />populations, and flows. At current projections, the City of Cle Elum, has in place capacity to <br />treat sewerage deeds through the year 2020. <br />Table CF -5 <br />Existing and 2014 Projected <br />Discharge and Loading <br />*5 -day biochemical oxygen demand <br />**total suspended solids loading <br />These projections as based an a one third reduction of infiltration and inflow (see draft Facility <br />Pian for the city of Cle Elum Sanitary Sewer). <br />13 <br />Existing <br />Projected <br />Av& daily flow <br />W700 gpd <br />%,000 gpd <br />Max. Monthly Flow <br />150,000 gpd <br />129,400 gpd <br />Peak Instantaneous flow <br />400 gpd <br />BOD* <br />140 ppd <br />161 ppd <br />TSS** <br />174 ppd <br />201 ppd <br />*5 -day biochemical oxygen demand <br />**total suspended solids loading <br />These projections as based an a one third reduction of infiltration and inflow (see draft Facility <br />Pian for the city of Cle Elum Sanitary Sewer). <br />13 <br />