BR Big River Drilling
☎ (559) 259-5677
Riverdale, CA · Est. 1998

Water well drilling that doesn't quit until you've got water.

Big River Drilling has served Central Valley homes and farms for over 25 years — domestic wells, agricultural wells, and pump service, done right the first time.

☎ Call (559) 259-5677 ✎ Text Us
27+
Years in Business
Lic #516454
Licensed & Bonded, CA
Same-Day
Response, Most Calls
4.0 ★
Google Rating
Big River Drilling crew at work
On site · Riverdale, CA
Who We Are

A family well-drilling business, run the same way since 1998.

Since 1998, Big River Drilling LLC has offered water well drilling for both domestic and agricultural properties across California's Central Valley, including full pump service.

Owner Wes Harmon answers the phone himself — customers consistently mention he's reachable, shows up fast, and stands behind his work.

Whether it's a new well, a failing pump, or a same-day emergency fix, we bring the rig and the experience to get it done.

What We Do

Full-service well & pump work

From first bore to ongoing maintenance — one crew, start to finish.

01 — DRILLING

Domestic Well Drilling

New water wells for homes and residential properties, drilled and cased to code.

02 — DRILLING

Agricultural Well Drilling

High-capacity wells built for irrigation and farm water demand.

03 — SERVICE

Pump Service & Repair

Diagnostics, valve replacement, and full pump service — often same day.

04 — SERVICE

Emergency Response

Well down? We're open 24 hours and typically on-site within a day.

On the Job

Recent work

Drilling rig in the field
Crew working on well casing
Worker on site with drilling equipment
★★★★☆
4.0 rating · Google Reviews
Read all reviews on Google →
"

Open 24 hours. The owner is always available and always answers the phone or calls back. He's very attentive, and takes full responsibility for his work.

— Renee, Local Guide
"

Helped out my parents ASAP when others wanted us to wait 2 weeks. He came out the same day and changed the valve in only 10 minutes.

— Ashley C.
"

They were there within the next day to fix the problem. Thank you guys for looking out.

— Yolanda W.
Get In Touch

Need a well drilled or a pump fixed?

Reach out directly — Wes answers most calls personally.

☎ Phone+1 (559) 259-5677
✉ Emailwharmon36@gmail.com
⌖ Address1485 W. Wood Ave, Riverdale, CA 93656

Same-day service, most areas

Call or text — we'll walk you through next steps on the spot.

☎ Call (559) 259-5677 ✎ Send a Text
or request a callback
Mon – FriOpen 24 Hours
SaturdayOpen 24 Hours
SundayEmergency Only