The California Office of Environmental Health Hazard Assessment (OEHHA) has developed a safe eating advisory[2] for Lake Chabot based on levels of mercury found in fish caught here.

There are also blooms of toxic blue-green algae in the lake during the summer and fall that make contact with the water dangerous.

[7] Anthony Chabot Regional Park and Lake Chabot Regional Park offer a number of activities including family and group camping, hiking, equestrian trails, bicycle trails, nature study, picnicking, golf, fishing, boat rental, a marina, a restaurant and boat tours of the lake.

Aside from sedimentation caused by normal earth-fill dam construction, much of the dam's clay core and soil overburden were washed away in a storm during construction in 1874, resulting in the formation of Arrowhead Marsh in San Leandro Bay, at the mouth of San Leandro Creek near the Oakland International Airport.

Today, Arrowhead Marsh is one of the last remaining wetlands in the East Bay, and part of Martin Luther King Jr.