HERR DRILLING
Serving the Southern Wisconsin area for over 50 years
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Some QUESTIONS we are FREQUENTLY ASKED about Wells

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Where is the Water?
Water exists almost everywhere under the Earth's surface and is replenished by nature according to the local climate and geology. When rain falls, the plants and soil take up water; some of the excess runs off to streams, and some (called ground water) percolates down into the pores and cracks in the subsurface sand and rocks where it collects. At some depth all of the pores and cracks in the subsurface sand and rocks are filled with water. The top of this saturated area is called the water table. When a well is drilled into this saturated area, water flows into the well.
 
Are there differents types of wells?
There are three basic types of drilled well construction- a gravel well, a screened well, and a rock well. The geological conditions in each area determine the type of well construction.
A Gravel Well: is a well with gravel bottom with a good flow of water running through the gravel.
A Screened Well: is one in which the water is obtained from a water bearing sand formation. The well is drilled and a steel casing is installed down through the top soil, clay, silt, and gravel until a water bearing sand is encountered. A screen is then attached to the end of the casing and the well is developed to remove the fine sand near the screen so that the water can flow freely into the well.
A Rock Well: is one which terminates in bedrock or stone. Such a well is drilled in an area where no water bearing sand or gravel is found above the rock. The well is drilled with steel casing installed until either sandstone or bedrock is encountered. A tight joint is made where the pipe driveshoe contacts the rock, and the drilling begins in the rock. The drilling continues downward until sufficient water is obtained.
 
Where is the best location for my new well?
It is very important that a well owner knows how to protect a new well from contamination. The well should be located on the highest point of the property, or within reason. The casing should extend 12 inches above ground with the dirt as high or a little higher than the surrounding surface, so the surface water will run away from the well. The well cap should be securely fastened with no cracks for contamination.
Septic fields, including neighbors septic systems, pens for animals, or any other sources of contamination, should be located at least 50 feet away from the well to protect your drinking water supply.
 
What if we have an old well?
If any old wells are found on the propery, they should be abandoned properly by a licensed well driller or pump installer. It is very important that this procedure is done properly to protect your new well. Cement should be pumped into the well from the bottom up, or bentonite chips can be used, and a Well Abandonment Report form sent to the DNR.
 
Can my water go bad?
The DNR recommends that your water be tested once a year or if any changes in your water quality occurs.
The Wisconsin Department of Natural Resources licenses well drillers and regulates well construction within the state to ensure safe water. We are familiar with these requirments and can advise you of the proper well placement in relation to septic tanks, drain fields, surface water, and other wells.
 
What if I have more Questions?
Consult Herr Well Drilling for your water well. We know and understand the ground water beneath your property and will be happy to discuss your water well needs with you, answer your questions, and do our best to obtain a good well for you.
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