Onsite Wastewater and Water Reuse Systems
Ensure that your on-site wastewater treatment or water reuse units meet all regulatory requirements.

NSF evaluates all residential wastewater treatment systems, regardless of treatment technology, in test facilities throughout the U.S., Canada and Europe.
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Use of NSF consulting services or attending NSF training sessions does not provide an advantage, nor is it linked in any way to the granting of certification.