Ms Carlile said: "We are very upset that we have tragically lost our dog so unnecessarily.
"We are angry as well that it happened but could have been avoided if the pool had a proper cover or was fenced off."Or if your dog wasn’t allowed to wander off the lead…
The pool does not have any fence or barriers and is located in a garden without clear boundaries. She said the owners of the disused swimming pool claim it is safe and have said they are not prepared to put fences around the property, railings around the pool or a safer cover in place.Their property, their choice. If your dog had run into the road instead, would you be demanding the immediate closure of the roads?
Unlike New Zealand, Australia and other countries, the UK does not have any laws or regulations to make sure there are barriers around pools.
Ms Carlile said: "We are going to petition to see if we can get a change in laws. It’s such a big risk. Next time it could be a child."Oh, but it has been. Frequently. Are you hoping that famed English love of animals will prove stronger than their love of children?
Sandie Robertson, volunteer coordinator for DogLost, a community of dog owners who help people with missing pets, said: "We have certainly seen quite a number of dogs reported to us this year who has suffered the same fate as Tessa.
"I know quite a number have drowned in unsecured swimming pools after going under covers. I think it's something that needs proper legislation like in Australia."
Ms Robertson said a lot of people did not realise how many properties have swimming pools in their gardens and it was hard to keep animals away.One word: leash.