What a new water well includes
A residential well is a drilled borehole lined with steel or plastic casing, with a screen set in the water-bearing sand or gravel layer. The space around the casing is sealed so surface water cannot run down the outside of the pipe, and the top of the casing is finished above ground or in a protected vault.
Most quotes cover only drilling and casing, or drilling plus a pump system. Ask exactly what is in the number. A well is not usable until it also has a pump, wiring, a pressure tank, a pressure switch and plumbing to the house or building.
- Borehole drilling and casing
- Screen and gravel pack where the geology calls for it
- Surface seal or grout around the casing
- Submersible pump, drop pipe and electrical cable
- Pressure tank, pressure switch and connection to your plumbing
What affects the cost
Rough ranges only, because every site is different: a complete residential well and pump system in this part of Texas often lands somewhere between roughly 15,000 and 50,000 dollars or more. A shallow well for a small shed or livestock trough can cost less, and a deep well with a large pump can cost more. Treat these as planning numbers, not a quote. Quotes vary by depth, geology, access and pump size.
- Depth: wells in the Gulf Coast aquifer system near Conroe are often several hundred feet deep, and each added foot adds drilling, casing and pump cable cost.
- Geology: sand layers, clay and gravel drill differently, and difficult formations take more time.
- Access: a wet, wooded or fenced site can mean extra time, mats or clearing.
- Pump size: a house with irrigation or livestock needs more flow than a small cabin.
- Water treatment: iron, hardness or taste problems may add filters or softeners after the well is finished.
What to expect step by step
The sequence below is typical, but your provider will give you their own schedule. Drilling itself often takes a day or a few days, while permits, scheduling and equipment orders can add weeks before and after.
- Site visit and quote, including where the well can legally and practically go.
- Checks with the groundwater district or other authority for registration or permit needs.
- Mobilizing the rig and drilling to the target water-bearing layer.
- Setting casing and screen, then sealing the space around the casing.
- Developing the well, which clears fine sand and silt so the water runs clean.
- Testing the flow, installing the pump and tank, and connecting the plumbing.
- Disinfecting the system and, ideally, sending a water sample to a lab.
How to choose a driller
Start with licensing. The Texas Department of Licensing and Regulation licenses water well drillers, and you can ask any provider for their license details and confirm them with the state. Also ask for proof of insurance, because a drilling rig on your property is a real liability.
Request written quotes from at least two providers and compare line by line. A low price that leaves out the pump, tank, electrical work or permit fees is not actually lower. Ask what happens if the well comes in shallower or deeper than expected, and who pays for a dry hole.
- Ask for the license number and verify it with the state.
- Ask what the quote assumes about depth and what changes the price.
- Ask who handles the well report and any district paperwork.
- Ask what warranty applies to the pump, the tank and the workmanship, in writing.
Rules, districts and your property
Groundwater conservation districts in Texas may require registration, spacing from septic systems and property lines, or permits for larger wells. Lone Star Groundwater Conservation District covers Montgomery County, but parts of this area sit in other counties, so check with the district that covers your parcel before you hire anyone. Your driller should know the local process, but the responsibility to confirm it is shared.
Common questions
How long does it take to get a new well?
Drilling often takes one to a few days once the rig arrives, but scheduling, district paperwork and equipment lead times can stretch the whole project to several weeks. Ask your provider for a realistic timeline in writing.
How deep will my well need to be?
It depends on the aquifer layer used on your property. Nearby well records and the driller's local experience are the best guide, and a provider can often tell you the typical depth range for your road or neighborhood.
Do I need a permit?
Possibly. Small domestic wells are often treated more lightly than large ones, but many districts still require registration or have spacing rules. Check with the groundwater district that covers your property before drilling.
Should I test the water?
Yes. A lab test after the well is finished gives you a baseline for bacteria, minerals and iron, and it tells you whether you need treatment equipment.