A long - term development plan for Dubuque 's Chaplain Schmitt Island includes a new ballpark on city - owned land .
City officials say there are no firm plans for a new facility or team at this time .
A long - term development plan for Dubuque 's Chaplain Schmitt Island includes a new ballpark on city - owned land , but city officials say there are no firm plans for a new facility or team at this time .