Home Safety / Products / Private Well Water (Unregulated Contaminants)

Private Well Water (Unregulated Contaminants) — household safety profile

Elevated risk

Private residential wells serving approximately 43 million Americans (13% of population).

What is this product?

Private residential wells serving approximately 43 million Americans (13% of population). Private wells are NOT regulated under the Safe Drinking Water Act — no federal testing, treatment, or reporting requirements. Common contaminants: arsenic, uranium, nitrate, manganese, bacteria (E. coli, coliform), radon, VOCs (near industrial sites), pesticides (agricultural areas). USGS: 20% of tested private wells exceeded at least one EPA health-based standard.

What's in it

Click any compound name for its full safety profile, regulatory consensus, and exposure data.

Who's most at risk

  • Children — Developing endocrine and neurological systems, higher exposure per body weight
  • Infants — Developing organ systems, higher exposure per body weight, immature detoxification systems

Red flags — when to walk away

  • Aging infrastructure without inspection or testingDegradation increases contamination risk over time.

Green flags — what to look for

  • NSF or third-party certificationIndependent testing for safety standards.

Safer alternatives

  • Annual professional well water testing — comprehensive panel
  • Whole-house treatment system matched to test results — Alternative
  • Point-of-use reverse osmosis for drinking water — Alternative

Frequently asked questions

Who should be careful with Private Well Water (Unregulated Contaminants)?

Vulnerable populations identified for this product type: children, infants.

Are there safer alternatives to Private Well Water (Unregulated Contaminants)?

Yes — consider: Annual professional well water testing; Whole-house treatment system matched to test results; Point-of-use reverse osmosis for drinking water. See the Safer alternatives section above for details.

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Reference data, not professional advice. Aggregates publicly available regulatory and scientific information. Why we built ALETHEIA →