McNabney Marsh

McNabney Marsh and the Waterbird Regional Preserve can be accessed on the east side of the marsh along Waterbird Way. View the East Bay Parks brochure and map on their website HERE.

The McNabney Marsh Observation Platform can be accessed Monday - Thursday, 7am-4pm, and Friday, 7am-3pm via Service Road.

No appointments are necessary for visits to McNabney Marsh or the Waterbird Regional Preserve.

Moorhen Marsh

Moorhen Marsh is located on private property within the MVSD Treatment Plant and can be accessed by making an appointment with the Public Outreach Coordinator.

Available days and times for appointments are Monday-Thursday, 7am-3:30pm, and Friday, 7am-2:30pm, excluding holidays.

All visitors must wear long pants and closed-toe shoes, complete a liability release form, and be prepared to exit
the marsh at least 15 minutes before the end of the business day.

To make arrangements to visit Moorhen Marsh, please provide 2-3 days/times that you would like to visit at least 7 days in advance of your first preference and send to Robin Mitchell at rmitchell@mvsd.org or 925-228-5635 x19.

Treatment Plant Tours

MVSD treatment plant tours are available, Monday - Thursday, 7am-4pm, and Friday, 7am-3pm, excluding holidays. 

All visitors must wear long pants and closed-toe shoes and complete a liability release form. 

To make arrangements to visit the MVSD Treatment Plant, please provide 2-3 days/times that you would like to visit at least 14 days in advance of your first preference and send to Robin Mitchell at rmitchell@mvsd.org or 925-228-5635 x19.