Clean Up Australia Day will celebrate 25 years in the coming weeks and founder and chairman Ian Kiernan says he is confident 2015 will break new ground.

He said the initiative had achieved a lot in its history, thanks to its volunteers' "generosity and passion for the environment".

There had been some progress in efforts to reduce beverage waste and cigarette butts, but there was more to be done, the clean-up founder said.

"So our sights are set on increasing registrations and volunteer numbers in our 25th year, which means we need you to look around your local area - your streets, parks, sporting grounds, beaches, bushland and waterways to find those rubbish hotspots that need attention," he said.

"Next step is to put your family, friends, neighbours and colleagues in the picture - working alongside you to make 2015 a year of record achievement."

Dubbo City Council has encouraged people to collect a white and yellow Clean Up Australia Day bag, don some gloves and be part of the effort.

Council landcare services manager Lynton Auld said they needed as many volunteers as could come because despite the thousands of tonnes of rubbish collected in the past, Clean Up Australia Day was still as necessary as ever.

"I'm sorry to say yes it is," he said. "Particularly along our river foreshores and popular parks (and to a lesser degree) our road sides. "Irresponsible, thoughtless, selfish people dump rubbish into our bushland and public parks."

People who want to be involved can go to Macquarie Lions Park near the Dubbo Visitors Information Centre on the morning of March 1.

The hard work will be followed by a barbecue from midday.

Alternatively people can register individually online, nominating a site. They can then contact the council before the day or come to Macquarie Lions Park to report their site and the council will pick up the rubbish at the end of the day, Mr Auld said.