Raise Well Casing Cap Located buried well head Extending the well casing Case extended with sanitary cap installed Completed well head extension with sanitary cap Locating buried well head Excavating the well head site Excavating the well head site Excavating the well head site Preparing the casing extension Installed fittings on new casing Installed fittings on new casing Back filling the raised casing Before: An underground well cap, prone to contaminants and other problems. After: The well cap has been raised with a sanitary cap installed.