What determines the cost of drilling a water well in Texas?

• Depth to water moves the cost the most. It changes from place to place, sometimes between neighboring tracts.
• Soil and rock change the job. Drilling through sand is a different job from drilling through hard rock layers.
• A well is more than a hole: it includes casing, a pump, a pressure tank, electrical work and the line to the house.
• In Texas, drillers are licensed by TDLR, and the local groundwater conservation district may require a permit or registration.
• The real number comes from a licensed driller who knows the area, after seeing the land. Your job is to walk into that call with the right questions.

When a driller gives you a bid, they're pricing several pieces at once. Knowing the pieces helps you compare bids and avoid surprises.

1. Depth to usable water. Finding water isn't enough. There has to be enough of it, at a quality you can use. In some places it's close to the surface; in others the well goes much deeper. Deeper means more drilling, more casing and a stronger pump.
2. Soil and rock. The layers under the land change the equipment, the time and the risk. A driller who works the area usually knows the local formations.
3. Diameter and casing. The well is lined and sealed to protect the water. How much casing and what material depend on depth and the layers it passes through.
4. Pump, pressure tank and controls. The pump is sized to the depth and to how much water the property will use. If you plan on livestock, irrigation or a shop with water, say so up front.
5. Distance to the house and power. Trenching, pipe and wiring from the well to the house. If the well has to sit far out because of spacing from the septic system or property lines, that adds up.
6. Site access. Drilling rigs are big. No firm road, or soft ground after rain, makes the job harder.
7. Water testing and treatment. Once the well is finished, the water goes to a lab. If something needs correcting, you may need a treatment system.
8. Local permits and registration. Depending on the groundwater district, city or county, there may be a permit, a registration or fees.

The licensed driller. In Texas, water well driller and pump installer licenses are issued by the Texas Department of Licensing and Regulation (TDLR). Before you hire anyone, ask for their license number and look it up on the TDLR site.

The groundwater conservation district. TDLR notes that Texas has no state-level site permit to drill a water well, but groundwater conservation districts or local ordinances may require permits or registration. The Texas Water Development Board (TWDB) says much the same: a private well generally isn't registered unless the land sits inside one of those districts. Each district sets its own rules, so this is a question you ask tract by tract.

The well report. When a new well is drilled, the driller files a State of Texas Water Well Report. It records how the well was built and what layers were found.

Reports from nearby wells. Here's what that means for you: before you buy, you can look up reports for existing wells around the property. The Texas Commission on Environmental Quality (TCEQ) has a map of historical well reports, and TDLR keeps the more recent ones. They won't give you a price, but they show roughly how deep the neighbors found water.

An existing well doesn't always save you from drilling. Ask and check:

• Is there a well report? Ask the seller for it, or look it up on the official maps.
• Does it work, and how much water does it produce? A well specialist can check the pump, the tank and the flow. A general home inspector usually doesn't evaluate the well in depth.
• What does the water test say? Order a lab test before closing, inside the option period.
• Is it in use or abandoned? TDLR publishes guidance on abandoned or deteriorated wells, which have to be plugged according to the rules. If there's an old one on the land, you want to know before you buy.

If you'd like to talk through a property before you offer, book 30 minutes to talk about your situation. We'll go over what to ask and whom to ask.

• "The neighbor has a well, so I'll have water too." That used to be the assumption. Depth and volume can change between nearby tracts. A neighbor's well report is a clue, not a guarantee.
• Buying before calling the groundwater district. If the district requires a permit or has spacing rules, that changes where and how the well can go.
• Taking the lowest bid without reading what's in it. A bid may leave out the pump, the tank, the line to the house or the water test. Compare line by line.
• Planning the well and the septic system separately. Both have to fit on the same land with required distances between them. Plan them together, with the septic designer and the driller.
• Forgetting the lender. If you're financing the land or the build, ask your lender what they require about water. Some ask for tests or documents. Your lender confirms your case.

Picture a business owner looking at two tracts north of Dallas-Fort Worth, neither with city water. The first has a firm road, sits near the power line, and nearby well reports show water at a shallow depth. The second is set back from the road, the house would go at the far end, and nearby reports show deeper wells.

The listings may look alike. But the second tract likely needs more drilling, more pipe, more trenching and more wiring. Knowing that before you offer puts it on the scale right next to the price of the land.

This is an example, not a real client. In the land purchases Veronica Yeary handles across Dallas-Fort Worth, these questions get asked before signing, not after.

• Whether the land sits inside a groundwater conservation district, and what that district requires for a new well.
• Reports from nearby wells, on the TCEQ well report map and in TDLR's records.
• Whether a water supply corporation or co-op serves the area, by asking the provider directly.
• Where the septic system would go, because it decides where the well can go.
• The driller's TDLR license, and a written bid that spells out what's included.
• The survey, to see property lines and easements before you place the well.

Your driller, your lender and the district each confirm their part. My job is making sure those questions get asked on time, inside the contract deadlines.

How much does it cost to drill a water well in Texas?

It depends on the land: depth to water, the ground being drilled, the pump, the distance to the house and local district rules. That's why the real number comes from a licensed driller after seeing the site. Ask for a written bid that lists what's included.

Do I need a permit to drill a well in Texas?

TDLR says there is no state-level site permit, but a groundwater conservation district or local ordinance may require a permit or registration. It's checked tract by tract. Do it before you buy.

How can I tell how deep the water is on a property?

Reports from nearby wells, on the TCEQ well report map and in TDLR records, are a good clue. They aren't a guarantee, because water can change between tracts. A local driller can weigh in using that information.

Will the home inspector check the well?

A general home inspector usually doesn't evaluate the well in depth. For that you hire a well specialist and order a lab test of the water. Both happen during the option period.

Can a well affect my mortgage?

It can. Some lenders ask for documents or water tests when a home is on a well. Ask your lender early; they confirm your case.

If you're looking at land and want to know what to ask before you offer, let's talk for 30 minutes about your situation, not houses: veronicayeary.com/en/book.

Call or text 469-441-8890 · veronica@veronicayeary.com

Veronica Yeary, Realtor®, CRS, ABR, SRS and CIPS. All City Real Estate DFW. I've sold homes with a well and septic system, and I work with specialists who check each part.