Buying or selling property with a private well?

We can help with well inspection, system evaluation, and practical next steps. We do not provide legal advice.

What Should Buyers Know Before Purchasing Property with a Water Well?

Quick Answer

Have the well professionally inspected, test the water quality, review all seller disclosures, and understand ongoing maintenance costs before closing.

Purchasing property with a private water well is common across North Texas’s rural and semi-rural counties — and it can be a great long-term choice. But unlike city water, you take on full responsibility for system maintenance, water quality, and repairs once you close. Here’s what every buyer should know before signing.

Start With the Well Completion Report

Every well drilled in Texas since 1985 must have a well completion report filed with TDLR. This document records the well’s depth, casing specifications, geologic formation, and static water level at the time of drilling. Ask the seller for it — if they don’t have it, you can search TDLR’s online database using the property address. The completion report tells you what you’re working with before you spend money on inspections.

Have the Well Professionally Inspected

A real estate well inspection by a licensed water well driller or pump installer is one of the most important contingencies a buyer can add to a rural property offer. A thorough inspection includes:

  • Wellhead and sanitary seal condition
  • Pump performance test (flow rate and pressure)
  • Static water level and pumping level
  • Electrical system and pressure tank evaluation
  • Visual inspection for signs of casing damage or contamination entry points

Expect to pay $300–$600 for a proper inspection. This is money well spent compared to discovering pump failure or low yield after closing.

Order a Water Quality Test

Well inspection covers the mechanical system — water testing covers what comes out of it. At minimum, order a test for:

  • Coliform bacteria (required by FHA/USDA lenders)
  • Nitrates (important in agricultural areas)
  • Hardness, iron, manganese, and pH
  • Arsenic and fluoride (depending on your county and aquifer)

A basic panel costs $150–$300 through a certified Texas lab. Full potability panels run $300–$500. Results take 5–10 business days, so order early in your option period.

Review the TREC Seller’s Disclosure

Texas law requires sellers to disclose known material defects. For properties with wells, TREC Form 61-0 (Seller’s Disclosure Notice) includes specific well-related questions. Sellers must disclose known defects, prior water quality problems, any abandoned wells on the property, and whether the well has ever been repaired.

Read the disclosure carefully — but understand that sellers can only disclose what they know. An inspection and water test are the buyer’s independent verification.

Understand Ongoing Costs

Private well ownership involves costs that city water customers don’t face:

ItemTypical FrequencyEstimated Cost
Annual water quality testYearly$150–$400
Pump service / inspectionEvery 3–5 years$200–$400
Pressure tank replacementEvery 10–15 years$400–$900
Full pump replacementEvery 15–25 years$1,500–$4,000
Water softener/treatment systemOne-time + maintenance$800–$3,000

The upside: no monthly water bills, which average $50–$150/month on North Texas municipal systems.

Negotiate Based on What You Find

If the inspection reveals issues, you have options:

  • Request repairs before closing (pump replacement, wellhead sealing)
  • Negotiate a price reduction to cover known deferred maintenance
  • Ask for a closing credit to fund treatment systems or upcoming pump replacement
  • Walk away during the option period if problems are too significant

A licensed contractor’s written estimate gives you hard numbers to negotiate with.

Frequently Asked Questions

Is buying property with a private well riskier than buying on city water?
Not necessarily — a well-maintained private well is a reliable long-term water source. The key difference is that you become responsible for water quality and system maintenance. Identify the well's condition, yield, and water quality before closing so there are no surprises after you own it.
What documents should I request from the seller about the well?
Request the original well completion report (filed with TDLR), any historical water test results, pump service records, the most recent water bill or flow test if available, and a completed TREC Seller's Disclosure Notice (Form 61-0 if the property has a well). These records tell you the well's age, depth, casing details, and any known issues.
What water quality problems are common in North Texas wells?
The most common issues in North Texas are elevated hardness (calcium and magnesium), iron and manganese, hydrogen sulfide (sulfur smell), nitrates in agricultural areas, and occasionally arsenic or fluoride depending on the aquifer. A basic water quality panel costs $150–$300 and should always be ordered before closing.
Should I get a home inspector or a licensed well contractor for a well inspection?
For a real estate well inspection you want a licensed water well driller or pump installer (TDLR license). A general home inspector can note visible issues but cannot pull and inspect the pump, measure yield, or evaluate casing integrity the way a licensed well contractor can. Budget $300–$600 for a proper inspection.
Can well condition affect my mortgage approval?
Yes. FHA and USDA loans have mandatory well water quality requirements — the well must pass a coliform bacteria test and meet minimum distance-to-septic standards before the loan closes. Conventional lenders vary; some require water quality testing, others don't. Your loan officer should clarify the specific requirements for your loan type early in the process.
What is the minimum distance a well must be from a septic system in Texas?
Texas requires private water wells to be at least 50 feet from a septic system (on-site sewage facility). Some counties or GCDs impose stricter setbacks. If the distance is tight, a licensed inspector can verify compliance. A violation can require moving the well or the septic system, which is expensive.
How old is too old for a water well?
A properly constructed well can last 30–50 years or more. Age alone isn't a disqualifier — the critical factors are casing condition, depth adequacy for current demand, pump condition, and water quality. A 40-year-old steel-cased well in good condition may serve another 20 years; a poorly constructed 15-year-old well may already be failing.

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