Non-RDOS Water Systems
Engineering Projects and Reports

Numerous water systems exist within the Regional District of Okanagan-Similkameen (RDOS) boundary that are not owned or operated by the RDOS.  Various studies have been conducted over the years by the RDOS for several of these water systems. 

Engineering Reports and Studies:

Click on the following communities to see what studies have been completed for the local water systems:

Osoyoos Irrigation District


Twin Lakes (Lower Nipit Irrigation District)

  • Click to view report: Twin Lakes Aquifer Capacity Study
    Completed by Summit Environmental Consultants, May 2010
    • Figures for the Report
    • Appendix A & C - A: Environmental Memo
      C: Explanation of the OBWB Groundwater Balance Analysis Tool
    • Appendix D - Frequently Asked Questions
    • Additional Appendices - available on request
      (these files are too large to post for viewing)