OAR 690-220-0100
Obstructions and Possible Contaminants

690–220–0005
Temporary Abandonment 690–220–0030
Permanent Abandonment 690–220–0035
Abandonment of an Existing Water Well After Replacement 690–220–0040
Abandonment of Cased Wells 690–220–0050
Abandonment of Uncased Wells 690–220–0070
Abandonment of Artesian Wells 690–220–0080
Abandonment of Driven and Jetted Wells 690–220–0090
Abandonment of Filter or Gravel Pack Wells 690–220–0095
Abandonment of Dug Wells 690–220–0100
Obstructions and Possible Contaminants 690–220–0110
Removal of Well Casing During Abandonment 690–220–0115
Unhydrated Bentonite and Method of Placement 690–220–0120
Cement Grout 690–220–0130
Concrete 690–220–0140
Method of Placement of Concrete or Cement Grout