White Paper: The Critical Importance of Adhering to the Most Recent Version of Standards

Protecting public health requires more than meeting past requirements—it demands adherence to the most current drinking water safety standards. As science evolves, standards evolve too.

This whitepaper explains why complying with the latest version of NSF/ANSI/CAN 61 is critical, with a focus on updated lead reduction requirements for endpoint devices like faucets and drinking fountains.

What you need to know

• No level of lead exposure is safe, especially for children.
• NSF/ANSI/CAN 61 was updated to reduce allowable lead extraction in endpoint devices by five times.
• The limit was lowered from 5 ppb to 1 ppb (Q<1) based on strong scientific evidence.
• Endpoint devices are the last point of contact before water reaches consumers—making compliance especially important.

The problem with outdated certifications

Not all certification bodies adopted the new requirements at the same pace. Some continued listing products certified to older lead limits even after the updated standard took effect.

This creates

• Health risks for consumers
• Unfair competition for compliant manufacturers
• Confusion for regulators and buyers
• Reduced trust in certification marks

A market review found that more than half of certain faucet listings did not meet the new Q<1 requirement—despite appearing compliant.

Adhering to the latest standards means:

• Better protection of public health.
• Alignment with current regulations (including early‑adopter states).
• Stronger market credibility.
• Readiness for future regulatory changes.