Minn. R. 4725.6450
APPLICABILITY AND USE
This part applies to monitoring wells as defined in Minnesota Statutes, section 103I.005 , subdivision 14. In addition to the general construction, repair, maintenance, and sealing requirements in parts 4725.2010 to 4725.3875 , a monitoring well must be constructed, repaired, maintained, and sealed according to this part. A monitoring well is exempt from the requirements in parts 4725.4050 to 4725.6050 . A monitoring well that is not in use must be sealed.