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February 27, 2021 16:29PM
February 27, 2021 16:29PM
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Recognizing the role of the San Joaquin Marsh

The District has long been committed to protecting the environment through effective water and resource management. Protecting, sustaining and revitalizing the environment matters to IRWD and we have demonstrated this longstanding commitment to environmental sustainability through a variety of innovative water management programs including urban runoff reduction and treatment at the San Joaquin Marsh, which encompasses more than 300 acres of coastal freshwater wetlands. In addition to providing a valuable open space oasis and wildlife habitat for the community, the working wetlands help naturally clean the urban runoff from San Diego Creek, removing up to 70 percent of the nitrogen carried in the water, helping to protect the environmentally sensitive Upper Newport Bay.

Modeled after the San Joaquin Marsh, the IRWD Natural Treatment System is a series of smaller, man-made wetlands located throughout the IRWD service area. These wetlands naturally remove contaminants from urban runoff in a cost-effective and environmentally sound manner. Both the Natural Treatment System and the San Joaquin Marsh help IRWD protect the environment through the treatment of natural dry-weather runoff.

The Sea & Sage Audubon has been an outstanding partner to IRWD. Through the years, we’ve made great strides in educating residents of Orange County. Our collaborative programs and activities are designed to increase public appreciation and awareness of the beauty and diversity of wildlife in the San Joaquin Marsh & Wildlife Sanctuary.

Learn more at IRWD.com.

Photo: IRWD Board Member Peer Swan surveys the San Joaquin Wildlife Sanctuary in 2005.

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