This email was sent to Leona Harris (North Yuba Water District interim General Manager) from Michelle Karlen at Gannett Fleming. It summarizes the site visit to the Hell 4 Stout flume on July 31 2023. It says: "...we recommend that NYWD forego the formal alternatives analysis and move towards engineering design and construction of a buried inverted siphon to replace the existing timber flume."
list of items posted on North Yuba Water District public record documents