Water management hierarchy
Water Management Hierarchy (WMH)[1] is a hierarchy of water conservation priorities. Levels of the hierarchy from the highest to the lowest in terms of the priority for water conservation include elimination, reduction, outsourcing/reuse and regeneration. The most preferred option is elimination, followed by reduction of water demand. After that, direct reuse/recycling and water outsourcing through method such as rainwater harvesting are preferred. This is followed by regeneration or treatment of wastewater before being reused. Freshwater will only be used when all water-saving options have been explored.
The WMH was used as an effective screening tool in cost effective minimum water network methodology to stretch the limits of water savings beyond those achievable using conventional pinch analysis approach.
See also[edit]
- Cost effective minimum water network
- Systematic Hierarchical Approach for Resilient Process Screening (SHARPS)
- Water Pinch
- Water conservation
- Stormwater
References[edit]
- ↑ Manan, Z. A., Wan Alwi, S. R. and Ujang Z. (2006). Systematic Design of a Maximum Water Recovery Network for an Urban System Based on Pinch Analysis. IEM Journal. 1 (67): 57-64.
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