Please visit our calendar of events for further details.

The Mission of the American Rainwater Catchment Systems Association 
is to promote sustainable rainwater harvesting practices 
to help solve potable, nonpotable, stormwater and energy challenges throughout the world.

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With the launch of this website, the leadership of ARCSA recognizes that members are our most important asset. By tapping into the wealth of knowledge resident in our membership, we will create a website that is timely, vibrant, interesting, thoughtprovoking and valuable. Among the many Member benefits is an informative, timely quarterly newsletter written by ARCSA members, that you can sample by clicking on this link. One of the ways we will bring value is through our Member-Only Forums - an indispensable resource that is uniquely capable of gathering the collective knowledge of the most knowledgeable rainwater harvesters in the world.

When you seek a professional, you look for a nationally recognized standard accepted by industry leaders. An ARCSA Accredited Professional (AP) has achieved the only nationally recognized rainwater-harvesting credential, which tells consumers and regulators that they have been screened, taught and tested by the best in the business. Not resting on our accomplishments, we are now offering members specialized 300-Level workshops and “Post Graduate” recognition as Certified Professionals.


Who is an ARCSA Certified Professional?

This elevated "graduate level" category of rainwater-harvesting professional tells consumers and regulators that this rainwater-harvesting professional is an Accredited Professional that has gone beyond that designation and fulfilled at least 48 hours of additional study, attended an ARCSA Design and Construction workshop and has passed a comprehensive examination. Keep an eye on the website as this program develops.