Green Building & Where Rainwater Capture Fits In Pam Daniel email@example.com Realtor, GREEN Certified EcoBroker ® Accredited Rainwater Harvesting Professional, ARCSA President, Rainwater Harvesting Solutions, Inc. Green Philosophy Core Principles of Green
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Core Principles of Green
Practicing Social Responsibility
Practicing Resource Efficiency and Conservation
Enhancing Health and Well Being
“The ability to satisfy the basic needs of today without compromising the ability of future generations to satisfy their needs”
www.sustainline.com Rated Dallas 24 out of 50
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U.S. is the World’s Largest Emitter, Producing ¼ of Global Greenhouse Gases, with only 5% of the Global Population
"When the well's dry, we know the worth of water."Benjamin Franklin
Green building utilizes a system based or whole house approach in order to build a energy efficient home.
Healthier, improved indoor air quality
Comfortable and quite
More durable with less maintenance
Improved market value
Lower environmental impact
Lower utility bills
Pathway through the WE Category – A minimum of 3 points must be achieved in the WE category.
WE 1: Water Reuse Maximum Points: 5
Design and install a rainwater harvesting and storage system (including surface runoff and/or roof runoff) for landscape irrigation use or indoor water use. The storage system must be sized to hold all the water from a 1-inch rainfall event (equivalent to 0.62 gallons per square foot of roof area used for capture), taking into consideration the size of the harvest systems (i.e., 50% or 75% of total roof area, depending on the measure chosen from Table 10).
Table 10: Rainwater Harvesting
NAHB Model Green Home Building Guidelines
National Green Building Standard
Lot Design, Preparation, and Development
Indoor Environmental Quality
Operation, Maintenance, Homeowners Education
Site Planning and Land Development
NAHB Green Home Building Guidelines
4.1 Indoor/Outdoor Water Use 9 Points
4.1.10 Collect rainwater as permitted by local code (Additional credit for distribution system that uses a renewable energy source or gravity).
Intent: Reduce water needs for irrigation by collecting and using rainwater.
Rainwater collection systems store rainwater for future watering and irrigation needs. Collecting rainwater keeps rainwater onsite, thus lowering the impact on storm water collection and conveyance systems and helping to replenish aquifers.
NAHB Green Guidelines
See Resources for information about how to construct a rainwater harvesting system and related code issues. May type of rainwater collection systems are also available commercially.
PATH Technology Inventory, Rainwater Harvesting
Harvesting Rainwater for Landscape Use:
Garden Supply Houses
Program rates homes on five levels indicated by stars, one star is the entry level, five stars is the highest level green level.
Section 11: Site work and Landscaping
Rainwater Harvesting: 110-600 gal storage = 2 pts
OR Rainwater Harvesting: 601-2000 gal storage = 3 pts
OR Rainwater Harvesting: >2001 gal storage = 4 pts
Rainwater is sole source of indoor water = 3 pts
Guidelines for Level 1 Certification
Water Conservation is employed indoors and out, with measures ranging from low flow showerheads and water saving washers to xeriscaping and rainwater catchment.
Seven minimum standards including:
If installing gutters, downspouts must drain onto a pervious surface (turf or landscaping) or into a rainwater harvesting cistern.
Select any two (2) of the following water conservation strategies or install rainwater catchment system to provide for a minimum of 50% of landscape irrigation needs:
Strategy #1: Install an ENERGY STAR dishwasher.
Strategy #2: Select high performance fixtures.
Strategy #3: Zone irrigation system separately for turf and slab/bedding areas.
Strategy #4: Install a low-volume, non-spray irrigation system.
WaterSense, a partnership program sponsored by the EPA, makes it easy for Americans to save water and protect the environment.
Products that meet WaterSense criteria for water efficiency and performance carry a special label.
Partnering with manufactures, retailers, state & local governments, utilities, water districts and irrigation professionals to bring water-efficient products to market and spread the word about the need for smart water use.