It might seem tempting to rent someone’s pool. Erie County officials call that a bad idea.

Some apps, such as Swimply, make that easy to do, offering an Airbnb-like experience from those who own private pools and hot tubs and want to make them available at an hourly rate.

But the pool-sharing is illegal, Erie County officials said Monday.

And Erie County Executive Mark Poloncarz and Health Commissioner Gale Burstein warned residents that renting a pool or hot tub is also flirting with the danger of drowning.

Renting out private pools violates county health codes and state law, and could result in fines up to $2,000 per violation, Poloncarz said.

“If you think, ‘I’m going to rent out my pool and make 100 bucks on the weekends,’ not only are you violating the law and you’re at risk for a significant fine,” he said, “you are putting yourself, your family and others at risk.”

As of Monday afternoon, five homeowners in Erie and Niagara counties had listed their pools for rent. They ranged from a small, round, above-ground pool in Buffalo renting for $30 an hour to an in-ground pool with a diving board in the Town of Tonawanda renting for $45.

Private pools do not have to adhere to government standards that regulate chlorine levels, water flow and emergency access points, among other rules for public pools, county officials said. There are no requirements for lifeguards and equipment to prevent drowning – the biggest killer of young children.

“Just because it’s on the internet that says you can rent out your private pool doesn’t make it legal,” Poloncarz said.

Swimply denies that is the case.

“Swimply homeowners open their spaces to users as private guests and have full say as to who can use their pool and how,” said Caeron Kilberg, Swimply’s head of legal and government relations, in a statement. “Pools listed on Swimply aren’t public pools, therefore we believe…