[2] Alpine, Bon Tempe, Kent, Lagunitas, and Phoenix are all part of the Mount Tamalpais watershed.
[2] Over 21,000 acres (8,500 ha) of land in District ownership are open to the public for recreational use from sunrise to sunset.
Many of the trails are also open for dog walking and horseback riding, while bicycling is only allowed on fire roads.
Portions of the seven District reservoirs are open for hiking, biking, horseback riding, fishing, and picnicking.
MMWD supports a variety of programs that are in place to help monitor the ecosystem health, species presence, and population trends over time.
Some of these programs in place to help sustain and monitor species such as the northern spotted owl, the yellow-legged frog, and the western pond turtle.