60 noise, air and pollution complaints have also been made.
Almost 600 litter and waste complaints have been made to Offaly County Council so far this year.
The local authority says all of these have been investigated - 517 are closed, while the remaining 73 are still open.
It also confirmed it has secured a custodial sentence against a repeat offender.
60 noise, air and water pollution complaints have been made in 2023, with 45 cases closed and 15 remaining open.
Environmental Awareness Officer with Offaly County Council, Caroline Clancy says sporadic dumping and small scale illegal waste collectors are among the most common complaints:
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