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Technical guides

Non-Potable Water Reuse Calculator

Non-Potable Environmental and Economic Water Reuse (NEWR) Calculator

The Non-Potable Environmental and Economic Water Reuse (NEWR) Calculator is a simple to use web-based tool for screening-level assessments of source water options for any urban building location across the United States that is considering onsite non-potable reuse.

Non-potable water reuse is one solution that can help communities reclaim, recycle, and then reuse water for non-drinking water purposes, such as toilet flushing, clothes washing, and irrigation. NEWR can be used to identify the most environmentally and cost-effective suite of source water options to meet non-potable needs based on geography, climate, building size, and building type. Potential environmental impacts are estimated in NEWR using life cycle assessment following guidelines specified by the International Organization for Standardization (ISO 14040/44).

Access the calculator through the link below.

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