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How to Test Your Well Water for Uranium

Uranium is a naturally occurring radioactive metal that can dissolve into well water. Testing is the only way to detect it and protect kidney health.

By Know Your Well Water Editorial TeamReviewed October 29, 20262 min read

Quick Answer

Uranium is a naturally occurring radioactive metal that can dissolve into groundwater from certain rock formations. It is both a chemical (kidney) and a radiological concern. It cannot be seen, tasted, or smelled, so a laboratory test is the only way to detect it.

Where uranium comes from

Uranium occurs naturally in granite and other rock. In some regions, groundwater picks up uranium as it moves through these formations. The main health concern from drinking uranium over time is damage to the kidneys, along with a long-term radiological risk.

Public vs. private wells

The EPA regulates uranium in public water systems, but private wells are generally not federally regulated. The EPA standard is a useful reference point, and your state may have local guidance for areas where uranium is common.

How to test for uranium

  1. 1Ask your state health department whether uranium is a known issue in your area.
  2. 2Order a uranium test from a state-certified laboratory, often part of a radiological or metals panel.
  3. 3Collect and submit the sample per the lab’s instructions.
  4. 4If uranium is elevated, consider certified treatment such as reverse osmosis or ion exchange, and retest afterward.

Consider related contaminants

Where uranium is present, radon and other radiological contaminants may also occur. Ask your lab whether a broader radiological panel makes sense for your area.

Frequently asked questions

Does a water softener remove uranium?
A standard softener is not designed for uranium. Reverse osmosis or specific ion exchange systems are commonly used; choose one certified for uranium reduction and verify with a retest.

Sources & references

This guide is documentary research and general information, not a laboratory analysis or professional assessment of your specific well. See our disclaimer.