Welcome to Nestwell Property Managements 24/7 DIY Maintenance Center.
Thank you for your question concerning the leak in your home. This is an emergency situation and it is imperative that you turn off the water supply to your house as soon as possible.
Please follow the video to turn off the main water supply to the house:
Then, complete a service request online. Please be sure to mention that you've shut off the water to your house in the request.
If you cannot get the water to stop, please follow the instructions for a maintenance emergency.