RAINWATER HARVESTING

The Forgotten Resource

OUR MISSION

To provide resources and information on rainwater and stormwater collection, making rainwater conservation accessible to all and to work with government at every level to promote the advancement of rainwater management.

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CERTIFICATIONS

Training and Certification to Start a Business

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EDUCATION

Learn More About Rainwater Harvesting

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ARCSA MEMBERSHIP

Become a Part of Our Organization

ARCSA is a grass-roots, membership-based organization with access to leading news and advancements in rainwater catchment technology. This site establishes a forum for members to share and gain knowledge about this growing industry. Members range from government officials, academia professionals, consultants, and manufacturers/suppliers of rainwater harvesting equipment, to backyard amateurs and passionate conservationists. ARCSA aims to provide expertise and information on the importance of rainwater collection environmentally, economically, and socially in a way that is accessible to all. Here you will find everything you need to know about rainwater harvesting for both potable and nonpotable purposes. You can also take training courses to earn a certification to become an accredited rainwater harvesting professional in the industry.

2024 Achievements

ARTICLES & GUIDES

2024 National Blue Ribbon Commission (NBRC) Action Plan

ARCSA is proud to partner with the National Blue Ribbon Commission (NBRC) and other key organizations, including @IAPMO and the @GSA, to advance onsite water systems across communities. By partnering, we are able to align codes & standards with the NBRC's health risk-based framework and develop regulations for onsite reuse. With states like California, Minnesota, and Washington leading the way, we’re excited to help expand these efforts nationwide.

National Water Reuse Action Plan: Online Platform

WRAP actions seek to advance the consideration of reuse to improve the security, sustainability, and resilience of our nation's water resources, especially in the face of a changing climate. This action will focus on advancing nonresidential stormwater and rainwater catchment systems for potable and non-potable water reuse applications.

U.S. GSA’s P100 Document Now Requires ARCSA International Standard Compliance

ARCSA International is pleased to announce the United States General Services Administration (GSA) has accepted its proposed change for the Facilities Standards for the Public Buildings Service (P100), requiring major capital projects of more than 5,000 square feet employing rooftop rainwater catchment and harvesting systems to comply with relevant ARCSA/ASPE/ANSI standards.

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