Here’s a bit more information on southeast Idaho irrigation reservoirs. For the last three weeks Chesterfield and Twenty-Four Mile have been filling but remain low enough to discourage most fishing. Daniels Reservoir offers the best fishing of these because of a minimum conservation pool guaranteed by agreement between water users and IDF&G. Try midge pupa deep under an indicator or anything that looks like a damselfly nymph also under an indicator. As water levels drop in Island Park Reservoir trout not leaving for the river above are heading towards west end springs . Concentrate your efforts over these, and be sure to try bloodworm patterns under an indicator.