"It's nice to be able to spend it on other things, like the new laws they have brought in in other areas like drug testing. It's a bit of give and take."
Mr Hutton said the risk factors relating to white water rafting were minimal and very well controlled.
"We are a very well regulated industry and audited every year by the regional council and Maritime New Zealand, we also do an annual environmental audit," he said.
TIA chief executive Martin Snedden said the levy reductions come after the TIA worked with ACC to conduct a comprehensive review of how levies were set for operators in the adventure tourism and outdoor activity sector.
This involved analysis of the actual risks and several hundred historical claims made by businesses.
"We really appreciate ACC's willingness to work with us on this issue," he said.
"These adjustments will make a huge difference to the profitability of many of our member businesses. It also fairly reflects the nature and level of risk of these businesses," Mr Snedden said.
Operators can calculate their 2013/14 levies by using ACC's online calculator at www.acc.co.nz/Calculator/index.htm.