Advanced Drilling LLC
License 2588 Active
- Well Abandonment
- Well Drilling
- Well Repair
Check this license yourself on the official Washington lookup.
Ecology-licensed water well drillers at this company: Joshua Koepp (license 2874, through 2027-01-25); Rogeray D Phythian (license 2053, through 2028-06-09); Cory Johnson (license 3441, through 2028-04-03). The Ecology license covers constructing, altering and decommissioning water wells under chapter 173-160 WAC; pump installation is not licensed by the state. Filed 1,493 water well reports with Ecology since 2016, most recently in March 2026, mostly in Mason, Thurston and Grays Harbor counties. Also filed 166 reports for other well types (monitoring, geotechnical, decommissioning).
License 2588 Active
License 2236 Active
License 2162 Active