Fewer than a third of litter fines issued by Kerry County Council in 2016 were paid.
Almost two million euro was spent on street cleaning by the local authority over the 12-month period.
66 litter fines were issued; 19 of those were paid.
There were 17 prosecutions with nine convictions.
The amount of reports of illegal dumping has dropped from 723 in 2015 to 634.