Water Well Drilling in Castro County, TX

Castro County’s Well File Is Built Around Irrigation

A county average can be a trap in Castro County. The local database holds 1,975 submitted driller records, and 1,563 of the usable depth entries are irrigation wells. Only 174 records sit in the domestic lane. Mixing those uses may produce tidy arithmetic, but it does not answer the question facing a family buying acreage outside Dimmitt, Hart, or Nazareth.

The irrigation history is still useful. It tells you that groundwater infrastructure is part of the county’s working landscape and that nearby records may reflect very different demand, casing, pump, and completion decisions. What it cannot do is turn an agricultural well into a household comparable.

Start with the Texas water well records lookup when a listing first catches your eye. If the property becomes a serious purchase or building candidate, a Pre-Drill Intelligence Report can organize the nearby domestic completions, aquifer clues, older-well history, and local rule questions that deserve follow-up. TurnKey Wells reviews public records; it does not drill wells or replace a licensed contractor’s site evaluation.

What 174 Domestic Logs Say About Finished Depth

Castro County’s domestic subset is compact but consistent enough to set a reasonable research baseline. All 174 domestic rows have a usable total depth. The median is 370 feet, and the middle half of the records runs from about 305 to 402 feet. Ninety percent are at or below roughly 424 feet. The full recorded range stretches from 155 to 518 feet.

Those figures describe past filings, not the next hole. A tract can differ because of its position, ground elevation, construction date, intended use, screened interval, and conditions that do not appear in a simple county table. The value of the median is that it gives buyers a better question to ask. It is not a guaranteed stopping depth.

Pump-depth information is much thinner. Only 22 domestic rows have a usable pump setting. Their median is 367 feet, with a middle band from about 314 to 380 feet and a range of 205 to 412 feet. That sample is too small to carry a property decision by itself, but it is enough to show why a quote for the hole alone is not a complete budget.

• Castro County SDR rows: 1,975
• Usable domestic total-depth logs: 174
• Median domestic total depth: 370 ft
• Domestic middle band: about 305 to 402 ft
• Domestic 90th-percentile marker: about 424 ft
• Recorded domestic range: 155 to 518 ft
• Usable domestic pump-depth logs: 22
• Median recorded domestic pump depth: 367 ft

The Irrigation Records Explain Why Use Type Matters

The 1,563 irrigation entries with usable depths average about 388.4 feet. That sits close enough to the domestic depth lane to tempt a broad comparison, yet the systems are designed for different jobs. An irrigation well’s production needs and equipment plan are not a substitute for a residential completion and household water budget.

Other categories widen the gap. Castro County has 132 test-well records averaging about 544.8 feet, plus 46 stock-well records averaging about 311.5 feet. The file also includes 32 environmental soil borings averaging only 29.4 feet. A single all-use average would flatten those entirely different purposes into a number that sounds more useful than it is.

For a home or rural business, begin with nearby domestic wells. Then use irrigation, stock, public-supply, and test-well records as context, not as interchangeable quotes. Proposed use, coordinates, completion date, and construction details should travel with every depth number you compare.

Dimmitt, Hart, and Nazareth Still Need Coordinate-Level Review

The place labels in the driller file include Dimmitt, Hart, Nazareth, Flagg, Sunnyside, and other nearby names, but they are not clean map boundaries. Capitalization varies, Dimmitt is sometimes misspelled, hundreds of rows have no city, and an address can reflect a mailing location instead of the well site.

That matters in a county dominated by cultivated acreage. Two records with the same town label can sit miles apart and serve completely different operations. One may belong to a household; another may be tied to a center-pivot system. The useful comparison lane is built from coordinates and well use first, with the city field treated as a clue rather than a final filter.

A good records review should also note when a nearby completion is old, unusually shallow, unusually deep, or missing key fields. Outliers are not automatically wrong. They are prompts to inspect the original record and ask whether it truly resembles the tract under consideration.

Ogallala Labels Dominate, but Dockum Records Are Present

The groundwater database contains 375 Castro County rows. Of those, 363 are labeled Ogallala and 12 are labeled Dockum. The Texas Ogallala aquifer planning guide explains the regional setting and why irrigation demand is such a prominent part of the High Plains record.

Historical labels should stay in their lane. They do not guarantee which interval a new well will use, where water will stand, how much it will yield, or what a laboratory will find. Even a strong countywide signal cannot replace a review of nearby completions and a licensed driller’s assessment of the exact site.

The smaller Dockum group is useful for the same reason: it warns against treating Castro County as one uniform underground container. Record age, naming practices, and local geology all deserve attention before an aquifer label becomes part of a construction assumption.

Permit and District Questions Start With the Exact Tract

A county name alone is not enough to settle groundwater jurisdiction. Before drilling, replacing equipment, changing use, or relying on an existing well, enter the property in the Texas groundwater conservation district lookup. Then confirm current registration, spacing, permitting, production, replacement-well, and plugging requirements directly with the district or other authority returned for that tract.

This is also the moment to compare the legal description and site coordinates with the records you have found. Boundary assumptions and old paperwork can create expensive confusion. Current instructions from the responsible authority should control over a neighboring landowner’s recollection or an old contractor note.

The database includes 156 plugged-well rows assigned to Castro County. That establishes county history, not the existence of an abandoned well on a particular parcel. If an improved property is involved, the Texas water-well disclosure guide can help organize seller documents, equipment details, testing, service history, and unanswered questions.

Water Quality Is a Sampling Question, Not a Depth Statistic

Neither a 370-foot median nor an Ogallala label tells you what will come from a kitchen faucet. Water chemistry can vary with the producing interval, well condition, construction, nearby activity, treatment equipment, and the plumbing after the pressure tank. An operating well needs a current sample analyzed by a qualified laboratory for the constituents appropriate to the property and intended use.

Ask how the sample was collected, when the system was last disinfected or serviced, and whether treatment equipment was bypassed. A seller’s old test may be helpful history, but it is not automatically a current picture. New construction has a different sequence: the well must exist and be properly completed before its actual water can be sampled.

Quantity needs its own verification. A historical depth record does not promise yield, and an irrigation-heavy county file should not encourage a household buyer to assume agricultural production. Let the records frame the investigation, then obtain field measurements and contractor guidance for the property itself.

Budget for the Finished System, Not Just Drilled Footage

The domestic median is useful for planning conversations, but it is not a contractor price. A complete Castro County budget may include mobilization, drilling, casing, completion materials, pump and controls, pressure equipment, trenching, electrical work, storage, testing, treatment, freeze protection, and cleanup. Rig access across active farmland can add its own scheduling and site-preparation questions.

The Texas water well drilling cost guide breaks down the categories that often sit behind a headline estimate. Ask each contractor what is included, what is an allowance, how additional footage is priced, who coordinates power, and what happens if the completed well needs different equipment than the first proposal assumed.

Existing wells need the same discipline. A weak system could involve a pump, pressure component, electrical issue, declining well performance, or a combination of problems. Records can establish history, but diagnosis and pricing belong to qualified professionals working from current conditions.

Nearby County Pages for High Plains Context

Published county pages nearby help show how quickly record mixes and depth patterns can change across the Texas Panhandle and South Plains. Use them for regional context, not as substitutes for Castro County comparables:

• Water well drilling in Bailey County, southwest of Castro County
• Water well drilling in Armstrong County, northeast of Castro County
• Water well drilling in Briscoe County east of Castro County

Turn the Castro County File Into a Property Decision

This page is for buyers, landowners, agents, and rural sellers working around Dimmitt, Hart, Nazareth, Flagg, Sunnyside, and the farm ground between them. The county record provides a strong regional baseline, especially once the irrigation majority is separated from the 174 domestic completions.

If you are screening several listings, begin with the Free Well Check. If one tract has reached the inspection, negotiation, financing, or building stage, use the Pre-Drill Intelligence Report to assemble the nearby records and unresolved questions in one place.

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