Water supply wells may be cased to a depth less than 20 feet, if:
The uppermost three feet of well casing shall be removed from the well for a bored well or hand dug water supply
Injection wells must be abandoned and/or brought into compliance within _____ days after notification of non compliance
All casing and screen materials may be removed prior to initiation of abandonment procedures if such removal will not cause or contribute to contamination of the groundwater