How deep are wells in San Diego, CA?

The average well depth in San Diego, California is 92 feet, based on 3281 wells on record. Well depths range from 1 to 1613 feet depending on geology and location.

How much does it cost to drill a well in San Diego, CA?

Well drilling costs in San Diego typically range from $4,140-$6,900 based on the 92-foot average depth. Call Southern California Well Service at (760) 440-8520 for a free estimate.

Average Well Depth in San Diego, CA

Well Statistics for San Diego

92ft

Average Depth

3,281

Wells on Record

1-1613ft

Depth Range

133.9

Avg Yield (GPM)

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Well Depth Distribution in San Diego

Based on 3,281 wells drilled in San Diego, California, the average depth is 92 feet. The median depth is 37 feet, which represents the typical well depth in the area.

1ft
Shallowest 92ft
Average 1613ft
Deepest

Shallowest well: 1 feet
Deepest well: 1613 feet
Average depth: 92 feet
Median depth: 37 feet

Geology and Groundwater in San Diego

San Diego benefits from relatively shallow groundwater, with wells averaging just 92 feet deep. The area's alluvial deposits and sedimentary formations allow easier access to productive aquifers. Shallower wells in this region typically use rotary drilling methods and can often be completed more quickly and at lower cost than deeper bedrock wells.

The average static water level (depth to water when the pump is off) in San Diego wells is approximately 45 feet below ground surface.

Drilling Trends & Well Use

Wells Drilled by Decade

1910s

1940s

1950s

1960s

1970s

1980s

1990s

494

2000s

858

2010s

774

2020s

1040

Wells by Use Type

Monitoring 1896 (60%)

Cathodic Protection 487 (15%)

Other 227 (7%)

Unknown 197 (6%)

Vapor Extraction 107 (3%)

Irrigation - Agriculture 101 (3%)

Sparging 83 (3%)

Test Well 55 (2%)

Estimated Drilling Cost in San Diego

Based on the average well depth of 92 feet, drilling a new well in San Diego typically costs between $4,140 and $6,900. This includes drilling, casing, pump installation, and basic connections. Actual costs vary based on geology, access, and permit requirements.

🔍 Try our free Well Depth Lookup Tool to check well records near your specific address.

📍 Nearby Cities — Well Depth Data

📚 Related Resources

Get Expert Advice for Your San Diego Property

Southern California Well Service has drilled hundreds of wells across San Diego County. We know the local geology and can give you an accurate depth and cost estimate.

Call (760) 440-8520

Licensed C-57 Contractor. CSLB License #1086994.| San Diego, Riverside & San Bernardino Counties

We service all major pump brands including Franklin Electric, Grundfos, Goulds (Xylem), and Sta-Rite (Pentair). Our trucks carry common parts and components for same-day repairs.

Frequently Asked Questions

How do I know if my well pump needs repair?

Common signs include: no water or low pressure, pump cycling on and off rapidly (short cycling), unusual noises, dirty or sandy water, and higher-than-normal electric bills. Any of these warrant a professional inspection.

How much does well pump repair cost?

Simple repairs like pressure switch replacement run

50-$300. Motor or pump replacement typically costs ,500-$4,500 depending on well depth and pump type. We diagnose the issue before recommending repairs.

Can I repair my well pump myself?

Surface-level issues like pressure switch adjustment or breaker resets are safe DIY tasks. However, anything involving pulling the pump from the well requires specialized equipment and should be handled by a licensed contractor to avoid damaging the well casing.

Continue learning about well maintenance and troubleshooting