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October 04, 2022 9:23AM

IRWD is resuming late fees and interest on past due balances beginning Sept. 1, and discontinuation of service for delinquent accounts will begin Oct. 1. Customers with past-due balances are encouraged to sign up for a payment arrangement to avoid late fees, interest and discontinuation of service. Visit IRWD.com/payment-arrangement, or call 949-453-5300 to apply.

October 04, 2022 9:23AM

IRWD is resuming late fees and interest on past due balances beginning Sept. 1, and discontinuation of service for delinquent accounts will begin Oct. 1. Customers with past-due balances are encouraged to sign up for a payment arrangement to avoid late fees, interest and discontinuation of service. Visit IRWD.com/payment-arrangement, or call 949-453-5300 to apply.

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San Joaquin Marsh

The IRWD San Joaquin Marsh & Wildlife Sanctuary is a hidden gem in the heart of busy Orange County. It encompasses more than 300 acres of coastal freshwater wetlands, half of which have been restored to a natural state. The remaining acres are quality habitat and are not in need of restoration. With 12 miles of walking trails, the San Joaquin Marsh & Wildlife Sanctuary has become one of Southern California's most notable nature respites.

Hours & Directions

HOURS: Dawn until dusk - 7 days a week
COST: Free
ADDRESS: 5 Riparian View, Irvine, California

View the Directional Map

 
 
Marsh Tour video:
 
 
 

More About The Marsh

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The IRWD San Joaquin Marsh & Wildlife Sanctuary is a place for all to enjoy the beauty of nature. Visitors can walk along the trails, watch the more than 200 bird species that visit the marsh, take photographs, or simply relax under a native willow and listen to the sounds of nature. As a quiet place of reflection, vehicles, bicycles, dogs, horses and other animals are not permitted in the Marsh.

The wetlands are a critical component of IRWD's Natural Treatment System, as they naturally clean urban runoff from San Diego Creek and help to protect the environmentally sensitive Upper Newport Bay. After interacting with the bulrush and other plants for seven to ten days, up to 70 percent of the nitrogen is removed. The cleaner water is returned to the creek to continue its journey to Upper Newport Bay and the ocean.

The Marsh is full of educational opportunities serving as a living laboratory for students, teachers and the public. In cooperation with Discovery Cube Orange County and the local chapter of the National Audubon Society, people can enjoy a variety of wildlife educational programs and tours, including an active school field trip program.

Important Links

Visitors at the San Joaquin Marsh are reminded that you may encounter mosquitos. Please take appropriate precautions as outlined by the Orange County Vector Control District.

See The Beauty of the Marsh - Watch This Video