Protecting your well takes knowledge of the factors effecting the safety of the water source.
Location
An improperly located well can lead to problems with well water contamination.
Construction
An improperly constructed well can lead to problems with well water contamination.
Well Type
Some well types and water sources are more susceptible to contamination than others.
Abandoning Wells
Abandoned wells pose a safety hazard and can be a path for contamination to your groundwater if not properly filled and sealed.