On Real Estate & More – July 2025

AS MORE BUYERS consider rural properties for privacy and a slower pace of life, some encounter a common but unfamiliar feature: the private well. Unlike municipal water systems, private wells are managed by the homeowner—and that means buyers need to be proactive when it comes to understanding water quality. The good news? With the right information, you can confidently live with a home that has a private well. The following are recommendations to help you ensure your future tap water is clean, safe, and reliable.

What is a private well: A private well is a water supply system that draws groundwater from beneath the earth’s surface, typically through a drilled pipe. These systems are independent of any city or town water source and are most commonly found in rural or semi-rural areas.

Unlike public water systems, which are regulated and maintained by local governments, private wells are the sole responsibility of the homeowner. This means maintaining the system and monitoring water quality is the responsibility of the homeowner. That might sound daunting—but in practice, with periodic testing and basic upkeep, private wells can provide water that’s just as clean and safe as a public source.

While well water can be naturally clean and rich in minerals, it can also be vulnerable to contamination from a variety of sources. These include:

  • Bacteria and viruses
    (e.g., E. coli or coliform bacteria)
  • Nitrates from fertilizers or septic systems
  • Heavy metals such as arsenic, lead, or iron
  • Pesticides or industrial runoff

Consuming contaminated water can pose health risks. That’s why assessing well water safety is a key part of due diligence when buying a home with a private well.

Questions to Ask Before You Buy: Before you make an offer—or during the home inspection phase—consider asking the following questions about the well:

  • When was the well last tested?—Testing should be done at least periodically, or at any time there is a noticeable change in water taste, color, or smell.
  • Can I see the most recent water quality report?—Request documentation of lab results, if any have been completed. Look for indicators like bacteria, nitrates, and pH levels.
  • How old is the well? How deep is it?—A well’s age and depth can affect water quality and reliability. Deeper wells often provide more stable water supplies, but older wells may occasionally need updating or replacement.
  • Is there a water treatment or filtration system installed?—If so, ask about maintenance records. If not, find out whether one is needed based on recent water test results.

The Importance of Water Testing: As part of due diligence before purchasing a property, testing of the water quality should be arranged to be tested through a certified lab. Ideally, this test should include:

  • Coliform bacteria
  • Nitrate/nitrite levels
  • pH and hardness
  • Iron, manganese, lead, arsenic
  • Volatile organic compounds (if applicable)

What If the Water Isn’t Perfect? Don’t panic—imperfect test results don’t mean you need to walk away from the home. In most cases, issues can be addressed with the right treatment system, such as:

  • Carbon filters for taste, odor, or chlorine
  • UV treatment systems for eliminating bacteria
  • Reverse osmosis for removing nitrates, lead, or other dissolved solids
  • Water softeners for hard water with high mineral content

These solutions vary in price and complexity, but many are affordable and easy to maintain. If the water does require treatment, consider negotiating with the seller to share the cost or install a system before closing.

Buying a home with a private well doesn’t have to be intimidating. With a clear understanding of how the system works, a bit of investigation during the buying process, and a plan for regular maintenance, you can enjoy clean, dependable water for years to come.

Remember: water quality is just one of many factors to weigh during the home buying journey—but it’s one that deserves attention. A private well can be a perfectly safe and reliable source of water—as long as you complete your due diligence during the home buying process.