As a passionate community man, he makes it his business to know what is happening in the town.
But his friends and family succeeded in keeping at least one thing secret from him until last week.
His wife Jan conspired with the other members of the Deniliquin & District Historical Society and surprised him with a life membership to the organisation.
Mr Renwick - or Silver as he is best known - said while the honour has been floated in the past, it still came as a shock.
“There were some discussions a while ago where someone said ‘Lindsay must be due’, but I just let that go over my head,” Mr Renwick said.
“I was very humbled and chuffed.
“I have spent a hell of a lot of time at the Historical Society, making it into the tourism venue it is today.
“It was always a very good spot for research, but we have made a lot of improvements to make it a destination for locals and visitors.
“We’ve made a lot of repairs and modifications, and I helped with a lot of that work physically.”
Mr Renwick said his introduction to the Deniliquin & District Historical Society came with his role in local government.
“When Neil Armstrong was general manager of the Deniliquin Council in 1995, and I was elected, he gave all the councillors portfolios. I was given the cemetery, the town band and museums.
“I would have meetings with the Historical Society members every six months at the town hall.
“I would spend as much time with them as I could then, but once I retired from council I became a full time member.
“Bill Mulham was president then, and when he became unwell it was handballed to me.
“I am pleased and honoured to be part of this committee.”
The life membership was presented at the society’s annual general meeting on Monday, where Mr Renwick was returned as president.
He has held the role since 2015.
But saying “I won’t be around forever”, Mr Renwick said he’d be keen to mentor someone to take over the role from him.
He’d particularly like to see younger members of the community become involved in the Historical Society.
“It is a big job, but a beautiful job.
“Our history is brilliant, and there is so much more we haven’t touched on yet.
“Our member numbers are greater than ever and we’ve got some great researchers, and that is making a big difference.
“People are also showing a lot more interest in history and I am pleased and honoured to be part of such a great committee.”
Mr Renwick becomes the third life member still actively involved with the Deniliquin & District Historical Society, the others being Doris Mills and Dot Mathewson.
In other executive positions confirmed at the AGM, Betty Mathews is vice president, Ian Lea is treasurer and Meg Christian is secretary.
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