CONFINED OR ARTESIAN AQUIFER
Groundwater that becomes trapped under impermeable soil or rock
may be under pressure. This is called a confined or artesian
aquifer. A well that pierces a confined aquifer is known as an
artesian well. Water pressure in the confined aquifer will cause
water in the well to rise above the aquifer level. The maximum
level that the water in the well will rise to is known as the
potentiometric surface, or potential water level. If this is higher
than the top of the well, the well will overflow.
Source: Michigan State University Extension Water Quality
Bulletin # 35 August, 1991
To log the find:
1: Post your photo with your GPS and email the following answers:
2: What is the gallons per minute flow rate of the well.
3: Approximately how far above the nearby stream does the water
flow from the faucets.