How to Find a Buried Well on Your Property: Complete Guide

Discovering a buried or hidden well on your property can be both exciting and concerning. Perhaps you've purchased rural property with incomplete records, noticed unexplained features in your yard, or received hints from neighbors about an old well. Finding and properly addressing a buried well is important for safety, legal compliance, and potentially accessing a valuable water source. This comprehensive guide covers everything you need to know about locating hidden wells on your property.

Why Finding Buried Wells Matters

There are several important reasons to locate any wells on your property:

Safety Concerns

Abandoned wells pose serious safety hazards. Wells with deteriorated covers or caps can collapse, creating dangerous openings. Tragically, children and animals have fallen into unmarked wells. Identifying and properly securing all wells on your property protects your family and visitors.

Legal Requirements

Most states require proper abandonment of unused wells to protect groundwater supplies. An improperly abandoned well can serve as a conduit for surface contamination to reach aquifers, affecting not just your water but potentially an entire community's water supply. You may be legally responsible for properly decommissioning abandoned wells on your property.

Property Transactions

When buying or selling property, disclosure of known wells is typically required. Undiscovered wells can complicate sales, affect property values, or create liability issues after closing.

Water Resource Potential

An old well might be rehabilitated to provide water for irrigation, livestock, or even household use, potentially saving thousands in drilling costs for a new well.

Researching Property Records

Document research is often the most effective starting point for locating wells. Here's where to look:

County Records

Your county's environmental health department, water resources department, or geological survey often maintains well logs and permits. These records may include:

• Well location (sometimes with GPS coordinates or plot measurements)
• Drilling date and driller information
• Well depth and construction details
• Water yield and quality data
• Permits and inspection records

Property Records

Check your county assessor's office and recorder's office for:

• Historical property surveys (may show well locations)
• Original building permits and site plans
• Previous owner disclosures
• Tax records (sometimes note improvements including wells)

Historical Aerial Photography

Services like USGS EarthExplorer, Google Earth's historical imagery, or your local historical society may have aerial photos from different eras. Old photos can reveal:

• Windmills that once pumped well water
• Pumphouse structures since removed
• Vegetation patterns indicating water sources
• Property features that have changed over time

State Geological Surveys

State geological surveys often maintain well databases. California's Department of Water Resources, for example, has extensive well records searchable by location.

Previous Owners and Neighbors

Long-time neighbors often know property history that never made it into official records. Ask specifically about:

• Old water sources
• Windmills or pump houses
• Where livestock or gardens were watered
• Any structures that have been removed

Visual Clues and Field Investigation

Physical evidence on your property can point to well locations:

Depressions and Mounds

Settled earth over a filled well creates subtle depressions. Conversely, mounded soil may indicate a well that was filled and capped. Look for circular depressions or mounds 2-6 feet in diameter.

Vegetation Differences

Watch for:

• Circular patches of greener, lusher grass
• Areas where grass grows differently (faster, slower, or different texture)
• Trees or shrubs in unexplained locations (sometimes planted to mark wells)
• Dead spots in lawns (from buried construction materials)

Structural Remnants

Look for evidence of former structures:

• Concrete slabs or pads in unusual locations
• Old pipes sticking out of the ground
• Concrete rings partially buried
• Foundation remnants of pump houses
• Electrical conduits leading nowhere obvious

Utility Patterns

Old electrical lines or pipe runs to nowhere may lead to former pump locations. Follow visible utilities to see where they terminate.

Property Layout Logic

Consider where wells were typically placed:

• Near the original house location
• In farmyards or barn areas
• Downhill from septic areas (good practice was separation)
• Near windmill tower bases
• Accessible locations for livestock watering

Using Metal Detectors

Metal detectors can be valuable tools for finding buried wells since most wells contain metal components:

What You're Looking For

• Steel well casing
• Cast iron caps or covers
• Buried pipes and fittings
• Old pump components
• Rebar or wire in concrete well seals

Detection Tips

• Use a detector capable of finding large ferrous objects at depth
• Work in a grid pattern for systematic coverage
• Mark all signals for later investigation
• Expect false signals from other buried metal
• The casing signal may appear as a large diffuse area rather than a point

Limitations

Not all wells have metal components—older wells may be brick, stone, or concrete without any metal to detect. Very deep casings may also be beyond detection range.

Ground Penetrating Radar (GPR)

For difficult-to-find wells, ground penetrating radar is highly effective:

How GPR Works

GPR sends radar pulses into the ground and measures reflections from buried features. It can detect voids, changes in soil composition, buried structures, and even water-filled spaces.

Advantages

• Can locate non-metallic wells
• Identifies void spaces beneath the surface
• Shows depth information
• Non-destructive technology

Limitations

• Requires professional operation and interpretation
• More expensive than other methods
• Clay soils can limit penetration depth
• Results require expert interpretation

Probe Rod Investigation

A simple probe rod can help investigate suspicious areas:

What You Need

• A steel probe rod (T-handle soil probe) at least 4 feet long
• Marking flags or paint
• Patience and systematic approach

How to Probe

1. In suspect areas, push the probe into the ground
2. Note resistance changes—a sudden drop indicates a void or loose fill
3. Striking hard material may indicate a cap or casing
4. Work in a spiral pattern from suspected center
5. Mark any anomalies for further investigation

Safety Note

Be cautious around potential voids—never put weight over an area where you've detected a subsurface void. Collapsed wells can create dangerous situations.

Professional Well Location Services

Consider professional help when:

• DIY methods haven't located a suspected well
• You need documentation for property transactions
• There are safety concerns about approaching suspected wells
• Legal or regulatory requirements demand professional certification

Who to Call

• Well drilling companies often offer location services
• Environmental consultants with GPR equipment
• Geophysical survey companies
• Professional utility locating services

What to Do When You Find a Well

Once you've located a well, proper next steps depend on its condition:

For Potentially Active Wells

1. Secure the area to prevent accidents
2. Have a well professional inspect the condition
3. Test water quality before any use
4. Determine if rehabilitation is feasible and worthwhile
5. Obtain necessary permits for activation or repair

For Abandoned Wells

1. Do not remove covers or caps—you could fall in
2. Contact your local health or water department for requirements
3. Have the well professionally assessed
4. Decide between rehabilitation and proper abandonment
5. If abandoning, use a licensed well contractor

Proper Well Abandonment

If the well cannot or should not be used, proper abandonment typically involves:

• Removing the pump and any obstructions
• Filling with appropriate materials (often bentonite grout)
• Sealing to prevent surface water infiltration
• Removing or capping the casing below grade
• Documenting the abandonment with local authorities

Special Considerations for Different Well Types

Dug Wells

Large-diameter hand-dug wells (3-6 feet wide) are often easier to find due to their size but more dangerous if covers have deteriorated. They may be lined with brick, stone, or concrete rings.

Drilled Wells

Modern drilled wells have smaller casings (4-8 inches) and can be harder to locate. They'll have steel or PVC casing and are typically sealed with a well cap at grade.

Driven Wells

Sand-point or driven wells have small-diameter pipes (1-2 inches) and can be very difficult to locate once buried. They're common on older properties with shallow water tables.

Flowing (Artesian) Wells

If water pressure was high enough to flow naturally, these wells may have left unique evidence—mineral deposits, erosion patterns, or areas of persistent moisture.

Documentation and Records

Once you've located a well, document everything:

• GPS coordinates or precise measurements from fixed points
• Photographs from multiple angles
• Measurements of visible components
• Notes on condition and accessibility
• Research findings that led to the location

Keep this documentation with your property records. If you ever sell, proper well disclosure protects both you and the buyer.

Conclusion

Finding a buried well requires a combination of research, observation, and sometimes professional assistance. Start with document research and visual inspection—these often provide enough clues to narrow your search. Use metal detectors and probe rods to investigate suspicious areas, and don't hesitate to call professionals when safety or certainty is paramount.

Whether you plan to rehabilitate an old well or properly abandon it, locating and addressing buried wells protects your family, your property value, and your community's groundwater resources. Taking the time to find and properly address any wells on your property is simply responsible property ownership.

Need help finding or evaluating a well on your property? Southern California Well Service has the expertise and equipment to locate buried wells and assess their condition. Call us at (760) 440-8520 or visit www.scwellservice.com for professional assistance.