Well Drillers in Flagstaff, Arizona

Two licensed well drilling contractors are based in Flagstaff, serving northern Arizona’s most complex and geologically challenging drilling market. At 7,000 feet elevation on the Colorado Plateau, Flagstaff area well drilling involves formations and conditions unlike anywhere else in Arizona.

Drilling Challenges Unique to Flagstaff

Volcanic Basalt

Much of the area north and east of Flagstaff is covered by San Francisco Volcanic Field basalt flows of varying ages. Drilling through basalt requires:

• Tricone or PDC drill bits rather than the standard bits used in alluvial drilling
• Slower penetration rates (expect $80–$120/foot in massive basalt)
• Careful attention to lost circulation — basalt fractures and void spaces can swallow drilling fluids

Vesicular zones between flows can be excellent water producers; massive basalt can be nearly impermeable. Local knowledge of the volcanic stratigraphy is invaluable.

Colorado Plateau Sedimentary Formations

South and east of the volcanic field, Permian and other sedimentary formations underlie the surface:

• Kaibab Limestone (surface): Hard, fractured, limited water
• Coconino Sandstone (primary target): 300–600 feet depth; reliable yield but test for uranium
• Hermit Shale (aquitard): Slow drilling, low yield

Winter and Freeze Considerations

Unlike anywhere else in Arizona’s well drilling market, Flagstaff area contractors must account for:

• Hard winter freezes (lows to -10°F in severe winters)
• Frost penetration to 18–24 inches
• Pressure tanks, pitless adaptors, and surface piping must be frost-protected
• Seasonal access challenges on unpaved rural roads

Drilling Costs in Flagstaff

• Per-foot rate: $65–$120/foot depending on formation
• Typical depth: 300–800 feet depending on formation target and local geology
• Total well cost: $25,000–$75,000
• Complete system with pump: $35,000–$90,000

Well Drillers in Flagstaff

• Myers Well & Pump — (928) 607-8514 — myerswellandpump.com — Northern Arizona drilling and pump service
• Flagstaff Well and Supply — (928) 774-8243 — Established Flagstaff area driller

Flagstaff Overview | Coconino County Well Drillers | Well Drillers in Arizona