Oregon Administrative Rules
Chapter 690 - WATER RESOURCES DEPARTMENT
Division 210 - WELL CONSTRUCTION STANDARDS
Section 690-210-0180 - Additional Standards for Driven or Jetted Wells
All drive point wells or jetted wells shall have nonperforated, watertight casing meeting the minimum specifications shown in Table 210-1 and extending a minimum distance of 18 feet below land surface. Drive casing greater than 3-1/2 inches shall comply with the minimum specifications in OAR 690-210-0190. An upper drillhole at least four inches greater in nominal diameter than the permanent casing shall extend at least 18 feet below land surface. The annular space shall be filled with grout. If temporary casing is used during construction, it must be removed during placement of the grout. (See Figure 210-10.)
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Statutory/Other Authority: ORS 536.090, ORS 537.505-537.795, ORS 536.027, ORS 536.900 & ORS 537.992
Statutes/Other Implemented: ORS 536.090, ORS 537.505-537.795, ORS 536.900 & ORS 537.992