Water Well Drilling in Montgomery County, TX
14,065
Submitted Driller Records
10,501
Usable Domestic Depth Logs
220 ft
Median Domestic Total Depth
Gulf Coast
Main Aquifer Signal
Montgomery County Well Planning Gets Distorted by Growth-Corridor Noise
Montgomery County has 14,065 submitted driller records in the TurnKey Wells database, which makes it one of the heaviest private-well counties in the current Texas set. That sounds straightforward until you remember what Montgomery County has become. It is part acreage county, part north-Houston growth corridor, part municipal-utility expansion zone, and part industrial and monitoring footprint. A buyer who treats all of those wells like the same comparable is going to price the project wrong.
The better question is what comparable household wells are doing near the exact tract in Conroe, Montgomery, Magnolia, Willis, New Caney, Porter, Splendora, or the county’s rural edges. The county has strong private-well volume, but it also has public-supply wells, monitor wells, irrigation wells, and MUD-related infrastructure that can poison a blended average. If you need a first pass, start with the Texas water well records lookup. If you are deciding whether to buy land or where to place a new well, the Pre-Drill Intelligence Report is the cleaner tool.
What the Montgomery County Domestic Well Data Actually Says
Inside the county record set, 10,503 records are tagged domestic. Of those, 10,501 have usable total-depth data and 8,470 have usable pump-depth data. That domestic subset is the real planning signal for a household project.
For domestic wells, the median total depth is 220 feet. The practical middle band runs about 190 to 280 feet, and the upper planning marker reaches about 370 feet. Pump settings are shallower, with a 160-foot median pump depth and a middle band around 120 to 200 feet. In records that report both numbers, the average gap between total depth and pump setting is about 82 feet. That gap matters because a pump-depth number is not the same thing as the finished well you need to budget.
- Total SDR records: 14,065 submitted driller reports in Montgomery County
- Domestic records: 10,503 total
- Usable domestic total-depth logs: 10,501
- Median domestic total depth: 220 ft
- Domestic middle band: about 190 to 280 ft
- Upper planning marker: about 370 ft
- Usable domestic pump-depth logs: 8,470
- Median domestic pump depth: 160 ft
- Plugged-well records: 3,472 county records in the plugging dataset

Why the Full County Average Can Mislead a Land Buyer
Montgomery County’s domestic pattern is useful, but the countywide mix still needs cleaning. The SDR set includes 1,225 monitor wells averaging only about 33 feet, plus 251 environmental soil borings averaging about 17 feet. Those records matter for environmental and development history, but they are not home-well comparables.
The county also includes 532 public-supply wells averaging about 713 feet, 963 irrigation wells averaging about 246 feet, and industrial, rig-supply, and test-well activity that serves a completely different purpose than a domestic system. In the groundwater database, the split is even clearer: public-supply wells average about 768 feet, while domestic GWDB wells average about 234 feet. That is why a blended Montgomery County average is not a pricing tool. It is just a noisy headline number.
For a household build, the domestic finished-depth evidence should carry the most weight. The deeper public-supply numbers still matter because they show how serious north-corridor pumping can get and why local groundwater oversight exists. They just should not be used as the base quote for a home on acreage outside Magnolia or Willis.
Gulf Coast Aquifer Context in Plain English
Montgomery County is overwhelmingly a Gulf Coast aquifer county in the groundwater database, with 1,059 of 1,101 GWDB wells carrying that aquifer tag. In plain English, that usually means the north-Houston sand stack that property owners hear described through the Jasper, Evangeline, and related Gulf Coast units. Those sands can support productive domestic wells, but the county does not behave like one flat layer where every tract drills the same.
The western and central parts of the county around Magnolia, Montgomery, and Willis can show a different feel than the southern growth belt or the eastern side around New Caney and Porter. Some tracts line up with moderate household depths. Others sit in corridors where public-supply development, deeper completions, or water-level history change the planning picture. That is why the best question is not just “how deep are wells in Montgomery County?” It is “what have nearby domestic wells on comparable tracts actually done?”
If you want the broader regional geology behind those patterns, the Gulf Coast Aquifer guide explains why a county can carry moderate domestic depths and much deeper municipal infrastructure at the same time.

Permits and Lone Star GCD Rules Matter Here
Montgomery County is one of the Texas counties where the permitting conversation needs to stay specific. The current official Lone Star Groundwater Conservation District forms say all wells require a registration number, and non-exempt wells also require an operating permit. That matters because buyers often assume a private well is either fully unregulated or treated the same as a rural county far from a major metro demand center. Montgomery County is not that county.
The district exists because Montgomery County groundwater is heavily used and actively managed. For a residential buyer, that means the safe move is to verify the parcel-level rule picture before relying on an old verbal answer from a seller, neighbor, or listing agent. The water well permit Texas and groundwater district rules page is a good starting point, but the exact tract, intended use, and whether the well is exempt or non-exempt still need to be checked directly before drilling.
TurnKey Wells is not the drilling contractor. We review records, separate the useful household data from noisy countywide records, and help landowners get to a cleaner planning conversation with vetted licensed drillers. On a purchase file, that same record pass also helps surface whether the property has an existing well, an abandoned well, or a disclosure issue that should be addressed before closing.
Budgeting a Full Residential Well Project in Montgomery County
The county’s domestic median makes Montgomery County friendlier than some deeper Gulf Coast corridors, but a finished residential well is still a full-system project. A realistic well drilling cost Texas planning range is generally $25,000 to $45,000+ once drilling, casing, pump equipment, pressure components, trenching, electrical coordination, water testing, and local compliance costs are counted together.
The county’s 220-foot domestic median is useful evidence. It is not a quote. A tract with poor access, more difficult completion conditions, a deeper target, long trenching, or treatment needs can move out of the simple range fast. Montgomery County has enough depth variation that a buyer should not let a shallow neighboring pump setting or a deep public-supply well hijack the whole budget discussion.
- Full residential project planning range: $25,000 to $45,000+
- Typical drilling-rate assumption: $65 to $120 per foot
- Pump and pressure system: $3,000 to $8,000
- Permits and groundwater paperwork: $500 to $1,500 depending on use and district requirements
- Water treatment: budget separately after testing, not before
Water Quality and Completion Risks Buyers Should Expect
Montgomery County well owners should budget for current testing, not assumptions from a county label. Gulf Coast sand systems can bring iron, manganese, fine sand production, acidity in some intervals, and occasional total dissolved solids issues depending on depth and local conditions. The groundwater database does not show current water-quality availability flags for this county, so a fresh lab test is more useful than hoping an old database record answers the question for you.
Completion quality matters just as much as the aquifer name. The right screen, development work, grout, and site placement help separate a durable household well from a future service headache. On acreage with older improvements, plugged or undocumented wells are another reason to slow down. Montgomery County’s 3,472 plugged-well records are a reminder that well history here is not theoretical. It is part of the property file.
What Montgomery County Buyers Should Check Before Closing
If you are buying acreage in Montgomery County, start by checking whether comparable domestic wells cluster near the tract and whether they land in the same finished-depth band. Then look for plugged wells, older water-system infrastructure, and any sign that the property has a more complicated groundwater history than the listing suggests.
A buyer should also ask whether the site relies on an existing well, whether that well has current water-quality testing, and whether a replacement or new well would be treated differently under the current district rules. The find water well records on a property workflow is the quick first pass. The Pre-Drill Intelligence Report is the better move when you want a tract-specific planning memo before making an offer or choosing a build site.
Planning to Drill in Montgomery County?
The real private-well demand in Montgomery County lives where growth pushes into acreage. That includes Magnolia and Pinehurst corridors, rural Montgomery and Willis tracts, eastern acreage toward New Caney and Splendora, and older fringe pockets around Conroe where private systems still matter. Those are the situations where cleaning the nearby well record set can save real money.
The smart sequence is straightforward: identify the parcel, clean the nearby domestic records, separate household wells from monitor and public-supply noise, verify the Lone Star GCD rule picture, and only then ask licensed drillers to quote the field work. That sequence is slower than guessing, but guessing is how buyers end up treating a county average like a site plan.
Montgomery County Service Areas
TurnKey Wells supports well-record review, pre-drill planning, and driller matching across Montgomery County, including Conroe, Montgomery, Magnolia, Willis, New Caney, Porter, Splendora, The Woodlands fringe, and nearby rural acreage where private-well planning still matters.
Nearby County Well Planning Pages
If you are comparing Montgomery County against nearby private-well markets, these pages help show how the Gulf Coast and north-central Texas planning picture shifts around the region:
- Water well drilling in Harris County
- Water well drilling in Liberty County
- Water well drilling in Madison County
Montgomery County well planning
Use the household well data before you price the tract.
TurnKey Wells can separate domestic wells from public-supply, monitor, and development noise so your Montgomery County drilling plan starts from the records that actually match a homesite decision.