Water Well Drilling in Calhoun County, TX
1,887
Submitted Driller Records
684
Usable Domestic Depth Logs
225 ft
Median Domestic Total Depth
Gulf Coast
Main GWDB Aquifer Signal
Calhoun County Well Planning Starts With the Household File
Calhoun County has a bigger private-well record than its small coastal map might suggest. The TurnKey Wells database shows 1,887 submitted driller records, including 684 domestic depth logs that can be used for household planning. The address labels lean heavily toward Port Lavaca, Point Comfort, and Seadrift, with smaller groups around Port O’Connor, Tivoli, Palacios, and rural tracts between those communities.
That gives buyers and owners a useful county baseline, but it does not make every tract interchangeable. Calhoun County mixes coastal prairie, bay-side development, industrial corridors, ranch ground, and low-lying property where access, salt exposure, drainage, and the intended use of the well can change the project. A county number is the opening question, not the drilling plan.
Start with a Texas water well records lookup when the property is still one of several possibilities. Move to the Pre-Drill Intelligence Report when the tract is real and you need the nearby domestic record set, district context, and budget risks organized before calling drillers. TurnKey Wells is not the licensed drilling contractor. We make the public evidence easier to use before field work begins.
What the Calhoun County Domestic Depth Records Say
The household depth file is unusually clear for a coastal county. Across 684 usable domestic total-depth logs, the median completed depth is 225 feet. The middle half runs from about 180 to 260 feet, while the 90th-percentile marker reaches about 340 feet. In other words, many local domestic completions stay in a fairly compact band, but the deeper end is substantial enough that a buyer should not budget from the median alone.
Pump settings tell a different part of the system story. Calhoun County has 515 usable domestic pump-depth entries. Their median is 80 feet, with the middle half around 60 to 100 feet and a higher planning marker near 120 feet. A 225-foot completed well with a pump around 80 feet is not a contradiction. Total depth, producing interval, static water level, drawdown, and the driller’s final equipment design are different measurements.
- Total SDR records: 1,887 submitted driller reports in Calhoun County
- Usable domestic total-depth logs: 684
- Median domestic total depth: 225 ft
- Domestic total-depth middle band: about 180 to 260 ft
- Domestic upper planning marker: about 340 ft
- Usable domestic pump-depth logs: 515
- Median domestic pump depth: 80 ft
- Plugged-well records: 765 county records in the plugging dataset

The Gulf Coast Aquifer Dominates the Groundwater Record
The county’s groundwater database carries a strong and consistent aquifer signal. Of 203 Calhoun County GWDB wells, 185 are tagged to the Gulf Coast Aquifer. Those tagged records average about 270.3 feet deep. The internal Gulf Coast Aquifer guide explains the larger system behind those numbers: layered sands, silts, and clays that stretch across the Texas coastal plain rather than one uniform underground reservoir.
That layered geology matters at the tract level. A nearby well may have been completed for a house, stock use, public supply, or an industrial site, and each use can lead to a different target and construction choice. The GWDB file shows 55 domestic wells averaging about 282.7 feet, 41 stock wells averaging about 219.3 feet, 23 public-supply wells averaging about 272.5 feet, and 9 industrial wells averaging about 405.9 feet. Mixing those rows into one average would make a household estimate look more certain than it is.
The geography in the driller file adds another useful caution. Port Lavaca accounts for 719 records, Point Comfort for 538, and Seadrift for 359. Those are location labels in submitted records, not a promise that three communities share one drilling profile. Port O’Connor, Tivoli, Palacios, and rural addresses add smaller comparison groups. The right parcel review starts near the property, filters for comparable use, and only then expands outward when the local sample is thin.
District Paperwork Has Three Different Lanes
Calhoun County Groundwater Conservation District oversight is not one generic “permit” step. The district publishes separate processes for a notice of intent to drill or plug, well registration, and groundwater production permitting. Those terms should not be collapsed into one another when a buyer asks whether a domestic well is exempt.
The notice-of-intent process addresses the planned drilling or plugging work. Registration places the well in the district’s records. A production permit addresses the right to produce groundwater in a use or capacity that falls inside the district’s permitting rules. A well may qualify for an exemption from production permitting and still face notice, registration, spacing, construction, or reporting requirements. The intended use and pumping capacity matter, so the final answer belongs to the current district rules and the licensed driller working from the actual tract.
There is also a dated high-capacity caveat. The district’s temporary-moratorium notice says its board adopted a moratorium on June 22, 2026 covering certain groundwater production-permit applications for high-capacity and deep-saline wells. That notice should not be paraphrased as a countywide ban on ordinary household drilling. It does mean a commercial, industrial, public-supply, large-irrigation, or deep-saline project needs current confirmation directly from the district before anyone relies on a schedule. Moratoriums change; verify the live status and scope on the date of application.
The internal Texas groundwater district and water-well disclosure guide is the best reader-facing starting point. Calhoun County also carries 765 plugged-well records in the local file. That county total does not prove an abandoned well sits on a particular tract, but it is plenty of reason to check older well history, registration status, and seller knowledge before treating disclosure as a last-minute form.
Water Quality and Coastal Site Conditions Deserve Their Own Budget
The groundwater file shows 95 Calhoun County wells with water-quality availability flags. Those historic results are useful background, but they do not replace a current lab sample from the actual well. The Gulf Coast system can vary with depth and location, and coastal properties deserve specific attention to salinity, chloride, total dissolved solids, hardness, iron, manganese, bacteria, and any chemistry the licensed driller or local lab recommends for the producing interval.
Construction and maintenance matter just as much. Low ground, flood exposure, drainage, septic setbacks, storm access, salt air, corrosion, long electrical runs, and the location of pressure or treatment equipment can all move the finished cost. A serviceable enclosure and an above-grade layout may be worth more than a cheap installation that is difficult to inspect after the first tropical storm.

Budgeting a Complete Residential Well in Calhoun County
With a 225-foot domestic median, a 260-foot upper-middle marker, and a deeper planning marker around 340 feet, Calhoun County belongs in a serious full-system budget conversation. A practical Texas water well cost planning range for a finished residential project is generally $25,000 to $45,000+ once drilling, casing, pump equipment, pressure components, trenching, electrical coordination, testing, and district paperwork are counted together.
Some straightforward domestic projects may land inside that range. A deeper target, difficult access, storm-resilient equipment placement, treatment for salinity or other chemistry, extra storage, or replacement of an older system can push the total higher. The county record helps set expectations. It does not quote the job.
- Full residential project planning range: $25,000 to $45,000+ depending on site and completion scope
- Typical drilling-rate assumption: $65 to $120 per foot before full-system variables
- Pump and pressure system: commonly $3,000 to $8,000 depending on depth and demand
- District paperwork: confirm the current NOI, registration, and production-permit lane before scheduling
- Water treatment: price from current testing, not a countywide assumption
Who This Page Helps in Calhoun County
This page is for buyers, landowners, rural agents, and operators who need a grounded baseline before pricing a new domestic well, reviewing an older system, or asking whether a larger-use project faces production permitting. TurnKey Wells supports record review and pre-drill planning across Port Lavaca, Point Comfort, Seadrift, Port O’Connor, and surrounding Calhoun County acreage.
If you only need to know whether nearby well records exist, start with the Free Well Check. If the tract is active, the Pre-Drill Intelligence Report is the better next step. It turns county statistics into a smaller, more useful comparison set and flags district or site questions before they get buried in a drilling quote.
Regional County Pages Worth Comparing
Not every county that touches Calhoun has a live page yet. These published Gulf Coast county guides provide the most useful regional comparison set currently available:
- Water well drilling in Matagorda County
- Water well drilling in Aransas County
- Water well drilling in Brazoria County
Calhoun County well planning
Check the records before you price the well.
TurnKey Wells can sort Calhoun County household well evidence, Gulf Coast aquifer context, and district workflow before you lock in a drilling budget on coastal acreage.