Table 3

1 January 2000


Table 3: Headwater and Tailwater Elevations used for Sliding Stability Analyses Tailwater elevations for the Normal Pool and 100-Year Flood events are below the assumed toe elevation of 52.0 feet.
Dam Dam Elevations (ft) Normal Pool El. (ft) 100-Yr Flood El. (ft) ½-PMF El. (ft.)
Crest Toe Head Tail Head Tail Head Tail
Upper Aetna Lake Dam 67.2 54.0 64.8 59.9 65.8 62.0 68.0 63.4
Lower Aetna Lake Dam 61.1 52.0 59.9 50.4* 62.0 51.6* 63.4 56.5



Privacy Policy
We have updated our privacy policy. In the latest update it explains what cookies are and how we use them on our site. To learn more about cookies and their benefits, please view our privacy policy. Please be aware that parts of this site will not function correctly if you disable cookies. By continuing to use this site, you consent to our use of cookies in accordance with our privacy policy unless you have disabled them.