Subsurface data your design can stand on.
Geotechnical borings, monitoring wells and resource protection wells across Western Washington. We drill to your plan, log to your format, seal every hole and file the paperwork.
- Entity
- Advance Drill Technologies, Inc.
- Licence
- Licensed WA well construction contractor
- L&I
- ADVANDT823DB
- Experience
- 30 yrs in groundwater · 8 yrs as Advance Drill
- Safety
- WA L&I experience factor 0.86 (2026)
- Services
- Geotech borings · MW · RPW · decommissioning
- Standard
- WAC 173-160 · Ecology NOI + well reports
- Area
- Western Washington, Monroe base
- Response
- Reply within 1 business day
Built around the people who read the logs
Borings to your plan
Sampling intervals, methods and log format to your specification. Field changes are called in, not decided on the rig.
Wells that pass review
Monitoring and resource protection wells built, developed and decommissioned to WAC 173-160, with well reports filed.
Infiltration feasibility
Borings and groundwater monitoring wells for the site investigation that infiltration design depends on.
Early answers
Know what's under the site before the foundation scheme and stormwater approach are set.
For architects →Small-works ready
Utility, stormwater and facility projects.
Tight schedules
A small, owner-run crew means one call reaches the person who decides whether the rig moves tomorrow.
A driller who respects your report
Logs you can use
Consistent field descriptions and depths, in your format, so your engineer isn't rewriting them.
Paperwork handled
Ecology notices of intent at least 72 hours ahead, utility locates, and well reports within 30 days of completion.
Local ground
30 years of holes in Western Washington till and outwash. We know where the rig will struggle before we mobilise.
Clean sites
Cuttings and water handled to your plan. Holes sealed and surfaces restored, so the property owner has nothing to complain to you about.
Recent work
Advance Drainage Services
Residential and small commercial drainage, from the same crew, built on the same knowledge of the ground. Useful for your clients once the building is up.