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What Exactly Is a Drilled Well?

A Drilled water well in New Hampshire and Vermont consists of a hole bored into the ground by a drill rig. The top section of the well is lined with a steel pipe referred to as casing by well contractors. Most often a 6” hole is drilled. The casing prevents the collapse of the walls of the well and prevents surface or subsurface contaminants from entering the water supply. Casing is seated 10 feet into solid competent bedrock. The casing must also have a drive shoe attached to the bottom to prevent damage during driving and to make a good seal with the formation. With the rolling hills of NH, each area requires different footage of casing, as bedrock could be 20 ft below ground, or 100 ft. In some applications, a grout seal of cement or bentonite may also be recommended or required to prevent contamination. After the casing is set into place and sealed, the drilling continues through solid bedrock, drilling through “fractures” until the driller is satisfied the well yields more than enough to supply the demand. During the drilling process it is necessary to use compressed air to determine the yield before completion. Compresses air also blows up the cuttings.

 

How Much Water Will I Need For a Residential Well?

Depending on what the demand in the household is would depend on how much water is needed. For example, is there Irrigation, hot tubs, multiple bathrooms, and other utilities that demand water? All these items make a difference from home to home. The best thing to do is discuss your water requirements with us.

 

What Determines How Deep My Well Could Be?

Well Drilling is very unpredictable; there is no exact science of locating the water before you start drilling. However if you consult with your immediate neighbors with wells it might give you a general idea of the average depth in your area. Also State or Local Regulating agency may have records on file of wells in your neighborhood. Hiring the local well driller who knows the area, often is the best route as some areas are unknown to other drillers of deep, contaminated wells and potential obstacles that prevent job from completion.

 

What Is The Best Location For My Well?

Once State and Local setbacks are met any remaining area will be decided by you and owner/driller on what the best location is. The accessibility to drill can be a factor for the remaining area. Some examples of State and Local setbacks could be; that wells have to be certain distances away from septic systems, property lines, utilities. Water wells are a great natural source of water as well a great investment to your property.

Robert Lucas & Sons have been drilling in Central New Hampshire since 1970, please contact 603-863-4437 as we would enjoy going through this process with you!

 

 

 

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