There is no air in groundwater. If there is air in your well water lines then either your pump or foot valve is at static water level and sometimes sucks air, - or there is a small leak in the pipe which will both admit air and leak water, depending on pressure. If you are using a Jet-pump at a well shed, air leaks are quite common. Most people do not know how to properly attach water pipes to fittings. It is also possible that the down pipe into the well has vertical cracks. This too is common certain kinds of pipe.
natural gas?
Usually the well pump sucking air in with water due to low water levels.
Any break or leak on the suction side of your pump can cause air in the lines.
I think that is what caused my water lines to have too much air in the water
Air in the water lines to the upstairs. Not enough water pressure.
Install hammer arrestors at the highest point of the water lines.
Excessive air unsepararted in the supply lines collects at your fixtures. Contact your water supplier about the problem. If you are on a privte well, there are devices which remove this air entrainment. yepper...air in your pipes...Private well?
There are many places to get air out of water lines by removing a fitting temporarily.
You may have air in your water lines
Its just air in the lines, nothing serious...
air in water lines usally accur when the water in turned off for some reason,just let the water run in a tub for 5 min. air in water lines that make your pipe rumble, you need air chamber installed. its called water hammer turn of all hot faucets and run till air stops coming out and steady stream of water comes out.
To remove and/or prevent "Water Hammering" in your water lines.