In addition to OAR 690-220-0040 and 690-220-0050, the flow of artesian water supply wells to be abandoned shall be confined or restricted by cement grout applied under pressure, or by the use of a suitable well packer, or a wooden plug placed at the bottom of the confining formation immediately above the artesian water-bearing zone. Cement grout or concrete shall be used to effectively fill the well to land surface. (See Figure 220-4, 1986.)
Or. Admin. Code § 690-220-0070
Figures referenced are available from the agency.
Stat. Auth.: ORS 183, 536, 537 & 540
Stats. Implemented: ORS 183, 536, 537 & 540