LEED Points for Rainwater Harvesting

LEED Points for Rainwater Harvesting

This article explains the Leadership in Energy and Environmental Design (LEED) points available for integrating a properly designed rainwater harvesting system into your home or building. 

SS Credit 6.1 – Stormwater Quantity Control, 1 Point

Intent – Limit disruption of natural hydrology by reducing impervious cover, increasing on-site infiltration, reducing or eliminating pollution from stormwater runoff and eliminating contaminants.

RWH Application = Capturing runoff and storing for reuse keeps water on site, reducing runoff completely.

SS Credit 6.2 – Stormwater Quality Control, 1 Point

Intent – Limit disruption and pollution of natural water flows by managing stormwater runoff.

Rainwater Harvesting – Stop pollutants from leaving your site by storing runoff and reusing for irrigation or other nonpotable applications.

WE Credit 1 – Water Efficient Landscaping, 2-4 Points

Intent – Limit of eliminate the use of potable water or other natural surface of subsurface water resources available on or near project site for landscape irrigation. Reduce by 50% (2 points) or eliminate (4 points).

- Create water efficient landscaping by harvesting rainwater for re-use

WE Credit 2 – Innovative Wastewater Technologies, 2 Points

Intent – Reduce wastewater generation and potable water demand (50% reduction) while increasing the local aquifer recharge through the use of nonpotable water on-site wastewater treatment.

- Capture and re-use water for nonpotable applications like toilet flushing, process water, wash water, etc.

WE Credit 3 – Water Efficiency, 2-4 Points

Intent – Furthur increase water efficiency within buildings to reduce the burden on municipal water supply and wastewater systems. Reduce by 30% (2 points), reduce by 35% (3 points) or reduce by 40% (4 points).

- Reuse harvested rainwater for nonpotable water applications such as toilet flushing

MR Credit 4 – Recycled Content, 1-2 Points

Intent – Increase the demand for building products and incorporate recycled content materials. The sum of post-consumer recycled content plus one-half of the pre-consumer content constitutes at least 10% (1 point) or 20% (2 points), based on cost, of the total value of the materials in the projects.

- Steel in the most recycled material in the world

- Up to 80% recycled content is aboveground or belowground metal cistern

- Steel reinforcing ribs (SRPE cisterns) have 50-80% recycled content by weight


Assembled by Rainwater Resources - 2011


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