The water bill arrives and the consumption is higher than normal. In looking at the bill you realize it's winter time, your water consumption is down, but the bill says it is up as if its summer when your water consumption is higher. Then it hits you local plumber a water leak! At some point almost all homeowners run into this problem.
When you get to the house stand if front of the toilet and locate the water shut off valve. Should be down below the toilet on the wall. Just turn it off (righty-tighty) completely and flush the toilet. All the water should have left the tank, well at least most of it. If there is remaining water line repair get it out with paper towels or a rag. The important thing is that no more water came in. If it did then your valve is not shut all the way or not working and you need additional help.
Leaks can occur anywhere in your reverse osmosis water filter system. If this ever occurs, check the source of the leak. It may be from the hoses, fittings and the valves. Most of the time, some kind of tightening might be necessary. So make sure to securely tighten the fittings. If this does not work, you may need to replace the filter itself, however that might take a bit more work.
Working on the gas lines is also a complex job that only a licensed plumber can handle because it is very dangerous. Small leaks can't always be detected by odor alone, but a licensed professional has the proper equipment that's needed to ensure that you don't have any leaks in the line.
The water line repair most likely damaged your electrical outlets and lighting fixtures. Have a qualified electrician come in to evaluate and repair the electrical.
Turn the water off at the main shutoff valve at the street. You should be able to take a pair of pliers(or your bare hands) and turn the valve at the water meter to shut off the water to your home. Once you have shut off the water you can cut the pipe around the leak and make the repair.
Once you've located the water shut off, turn it off. Now, you can turn your attention to trying to contain the water damage caused by any leaking. Get towels, fans, blankets, or anything else to try and sop up water that is sitting on carpet or wood floors. Linoleum floors usually don't undergo much damage from having water sitting on them, unless there are cracks in the linoleum (often invisible) where the water can seep in. When your Queens plumber arrives, you will be one step ahead by following these instructions.