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2025 Hazard Mitigation Plan <br />Kittitas County, Washington <br /> <br /> <br />Chapter 4: Hazard Identification and Risk Assessment 82 <br />this information is not included in this Plan. Existing EAPs include inundation data for all listed High <br />Hazard dams. According to the NID, most High Hazard dams do not include a USACE risk assessment <br />as outlined via the NID tool’s risk tab. <br /> <br />According to the NID, there are seven (7) high hazard dams within Kittitas County. Table 4-31 lists the <br />high hazard dams within Kittitas County and Table 4-32 lists additional dams within the County classified <br />as low hazard potential.84F <br />85 Figure 4-2 displays the high hazard dams within five (5) miles of Kittitas <br />County. <br />Table 4-31. High Hazard Dams in Kittitas County <br />Name National <br />ID Location Owner Type Condition <br />Assessment <br />Condition <br />Assessment <br />Date <br />Height <br />(feet) <br />Normal <br />Storage <br />(acre-feet) <br />Max <br />Discharge <br />(cubic feet / <br />second) <br />EAP <br />Cle Elum WA00274 Kittitas, <br />WA <br />Federal <br />Bureau of <br />Reclamation <br />Earth N/A N/A 165 437,000 40,000 Yes <br />Cle Elum <br />Main Dike <br />WA00274 <br />S001 <br />Kittitas, <br />WA <br />Federal <br />Bureau of <br />Reclamation <br />Earth N/A N/A 40 437,000 -- Yes <br />Easton <br />Diversion WA00276 Kittitas, <br />WA <br />Federal <br />Bureau of <br />Reclamation <br />Concrete, <br />Gravity N/A N/A 66 4,000 15,000 Yes <br />Kachess WA00260 Kittitas, <br />WA <br />Federal <br />Bureau of <br />Reclamation <br />Earth N/A N/A 115 239,000 5,516 Yes <br />Keechelus WA00265 Kittitas, <br />WA <br />Federal <br />Bureau of <br />Reclamation <br />Earth N/A N/A 128 158,000 11,800 Yes <br />Upper <br />Sunlight <br />Lake Dam <br />WA00666 Kittitas, <br />WA <br />Sunlight <br />Waters <br />Country Club <br />Earth Satisfactory 6/24/2020 22 39 3 Yes <br />Wanapum WA00085 Kittitas, <br />WA <br />Grant County <br />Public Utility <br />District <br />Gravity, <br />Concrete, <br />Rockfill <br />Fair 4/11/2023 205.5 590,000 1,400,000 Yes <br />Table 4-32. Additional Dams in Kittitas County <br />Name National <br />ID Location Owner Type Condition <br />Assessment <br />Condition <br />Assessment <br />Date <br />Height <br />(feet) <br />Normal <br />Storage <br />(acre-feet) <br />Max <br />Discharge <br />(cubic feet / <br />second) <br />Cle Elum Dike 1 WA00274 <br />S002 <br />Kittitas, <br />WA <br />Federal <br />Bureau of <br />Reclamation <br />Earth N/A N/A 13 437,000 -- <br />Cle Elum Dike 2 WA00274 <br />S003 <br />Kittitas, <br />WA <br />Federal <br />Bureau of <br />Reclamation <br />Earth N/A N/A 13 437,000 -- <br />Cle Elum Dike 3 WA00274 <br />S004 <br />Kittitas, <br />WA <br />Federal <br />Bureau of <br />Reclamation <br />Earth N/A N/A 13 437,000 -- <br />Roslyn Wastewater <br />Lagoon No 3 WA01652 Kittitas, <br />WA City of Roslyn Earth N/A N/A 10 50 1 <br />Roza Diversion WA00275 Kittitas, <br />WA <br />Federal <br />Bureau of <br />Reclamation <br />Concrete N/A N/A 67 100 50,000 <br />Snoqualmie Pass <br />PUD Sewage <br />Lagoon No 1 <br />WA00472 Kittitas, <br />WA <br />Snoqualmie <br />Pass Utility <br />District <br />Earth N/A N/A 23 22 6 <br /> <br /> <br />85 United States Army Corps of Engineers. (n.d.). National Inventory Dams. Retrieved from <br />https://nid.sec.usace.army.mil/#/.