Local 2026 Pricing · Walla Walla, WA

Walla Walla, WA Well Drilling Cost

Avg. Depth

200 ft

Cost / Foot

$26–$58

Total Project

$8,000

vs. National Avg

7% above avg.

the $7,500 national avg.

Walla Walla, WA Well Drilling Cost by Depth

Well Depth Drilling Only Complete System Est. Total
100 ft $2,600–$5,800 $7,400–$10,600 $8,800
150 ft $3,900–$8,700 $9,100–$13,900 $11,200
200 ft $5,200–$11,600 $10,800–$17,200 $13,600
300 ft $7,800–$17,400 $14,200–$23,800 $18,400
400 ft $10,400–$23,200 $17,600–$30,400 $23,200
500 ft $13,000–$29,000 $21,000–$37,000 $28,000

*Costs are estimates based on Walla Walla area rates for 2026. Complete system includes casing, pump, pressure tank, electrical, and permits. Actual prices vary by property.

Well Drilling in Walla Walla, WA

Walla Walla Valley with alluvial fill over Columbia River Basalt; Mill Creek and Walla Walla River provide recharge; wine country with many wells

The average residential well in Walla Walla is 200 feet deep and costs approximately $8,000 for a complete system including drilling, casing, pump, and pressure tank. Drilling rates in the area range from $26 to $58 per foot, which is 7% above the national average of $7,500.

The primary aquifer serving the Walla Walla area is the Walla Walla Basin / Columbia River Basalt Aquifer. Well depths can vary significantly depending on your specific property location and proximity to the aquifer.

Permits & Regulations

Walla Walla County well permit; WA Ecology; $150-$300; basin is in water rights adjudication

See our full Washington well drilling cost guide for permit requirements and water quality details

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Walla Walla Well Drilling FAQ

How much does it cost to drill a well in Walla Walla, WA?
The average cost to drill a residential water well in Walla Walla is $8,000, based on a typical depth of 200 feet. Drilling rates in the Walla Walla area range from $26 to $58 per foot. Total project cost includes drilling, casing, pump installation, pressure tank, electrical hookup, and water testing.
How deep are wells in Walla Walla?
The average residential well depth in Walla Walla is 200 feet. Actual depth depends on your specific property location, elevation, and proximity to the Walla Walla Basin / Columbia River Basalt Aquifer. A local well driller can estimate the depth needed for your property based on nearby well logs and geological data.
Do I need a permit to drill a well near Walla Walla?
Walla Walla County well permit; WA Ecology; $150-$300; basin is in water rights adjudication For detailed Washington permit requirements, licensing rules, and water rights information, see our full Washington well drilling cost guide.
How long does it take to drill a well in Walla Walla?
Most residential wells in the Walla Walla area take 1–3 days to drill, depending on depth and local geology. The complete project — including pump installation, electrical hookup, water testing, and permitting — typically takes 1–2 weeks from start to finish. Scheduling availability with local drillers may add additional lead time.

Nearby Areas

Also serving: College Place, Milton-Freewater OR, Touchet, Lowden, Prescott

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