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Eric Huska closed the lid on his wife and left her trapped for 90 minutes before returning to find her floating body, say police.

Chicago police arrested Huska, 58, after CCTV revealed he closed the tub’s lid over his wife Laura, 57, as she desperately tried to escape.

According to The Sun, police say the home security footage shows Mr Huska, who has been charged with involuntary manslaughter, initially trying to help his distressed wife out of the water, before shutting the lid and heading inside their home.

He returned 90 minutes later to find Laura floating in the water.

The couple had been enjoying a dip in the tub during a Saturday of drinking in the garden of their home in Wheeling, Illinois.

The Cook County medical examiner’s office ruled the death was a homicide.

Deputy Chief Todd Wolff said: “For whatever reason he put the cover over her head. We are sure alcohol was a major factor.”

Mr Huska called police at about 6.45pm local time and emergency services rushed to revive her.

But unable to resuscitate her, Laura was raced to Glenbrook Hospital in Glenview where she was pronounced dead.

Her husband appeared in court on Tuesday with a judge setting his bail at $US10,000 ($A14,000).

Mr Huska has no history of arrests and police have no record of service calls to couple’s home.

According to her now deleted LinkedIn profile, Laura Huska worked as an IT manager for a private firm.

Adding to the tragedy, recent social media posts reveal she and her siblings had lost their elderly mother just a week before the hot tub incident.

Photos from Mr Huska’s — now deleted — Facebook page show him and his wife enjoying the hot tub on multiple occasions.

This story first appeared in The Sun and is republished with permission.