Rainwater: Collecting Our Most Precious Resource

POSTED ON December 14th, 2021 BY
water scene at Magic Johnson Park
Magic Johnson Recreation Area, Los Angeles, CA

It’s mid-December, and we’re on our second “big rain event” of 2021-22 rainy season in the Bay Area. It’s been four weeks since the last storm, and for the past three years, total rainfall is way below average. This is a predicted new pattern: less frequent rain, bigger storms, persistent drought cycles. And, as the storms get bigger and rain falls in a shorter period of time, our storm drain systems can get overwhelmed and much of the precious water can wash away into the bay and ocean.

This past year, our team has worked with stormwater professionals in California to research the best ways to promote stormwater management techniques—that already exist—to capture and use rain water from these storms. A great example of what’s possible is Magic Johnson Recreation Area in Los Angeles.

This beautiful park uses built-in systems that mimic nature, and sustain the park while preventing pollution, capturing water, and providing residents with a beautiful open space.

Stormwater education has been almost exclusively focused on the pollution that stormwater carries to our waterways. The good news is that “capture and use” projects also clean the water, so it can be used on site for irrigation. This leaves more of our water supply for humans and wildlife.

Green stormwater infrastructure is an elegant solution that results in many benefits to communities: green space, more water supply, less dependance on importing water. It seems like a win-win, but is lacking in public awareness, funding, and integration with statewide water supply planning.

It will take ongoing effort to rebrand stormwater as a resource, and not as a source of pollution. Our team will do our best to help the industry simplify technical terms and jargon to resonate with voters and elected officials who need to support projects in their communities, and to state officials who must fund them.

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