If you turned on the faucet today only to find that your home doesn't have any water, then there are three reasons this can happen, including equipment failure, plumbing leak, well failure. To determine the root cause of the problem, here is a bit of information on each of these three reasons you don't have any water flowing:
Well Equipment Failure
Since residential water wells have lots of moving parts and many feet of water pipes, they are prone to having issues from time to time. When you are troubleshooting a problem with your well, always start with the simple things and then move to the more complicated.
Since water pumps run on electricity, always verify that their power is working before you suspect a mechanical failure. Once you verify the power is flowing, then look at each component and look for signs of burning that are indicative of pumps overheating. If you can't see a problem and your pumps appear to be working correctly, then you should investigate the pipes and the well itself.
Well Plumbing Leak
There are a lot of plumbing connections and pipes between your well's submersible pump and your home. Each of these components can break and prevent water from reaching your home. For example, the water main could break and leak out all of the water into your yard, or the well pump's lift pipe can break and leak water back into your well without ever bringing it to the surface like it is supposed to.
To find a plumbing leak, walk from your well head to your home while looking and listening for signs of misplaced water. For example, if the pipe in your well head is leaking, then standing nearby you can hear water running down the pipe. Alternatively, if a buried pipe is leaking, then you will see water pooling on the surface or an area of vegetation that is lusher than the rest of your landscaping.
While most well water problems are the result of equipment failures or plumbing breaks, sometimes residential wells simply run dry. In the late summer and fall when there haven't been any recent rains and most of the winter's snow pack has already melted, then the groundwater level will drop. If the groundwater your well is drilled into drops below the level of your well pump, then you won't be able to pump out any water.
When your well goes dry, sometimes a well-drilling contractor like Coast Water Well Service Inc can drill down a few feet farther and drop down your pump. When this isn't possible, your well may naturally restore itself in the winter, or you will need to have a new well drilled.