Waterman Creek is a 3 miles (4.8 km) southward-flowing stream in southern San Mateo County, California

San Mateo County, California

San Mateo County is a county located in the San Francisco Bay Area of the U.S. state of California. It covers most of the San Francisco Peninsula just south of San Francisco, and north of Santa Clara County. San Francisco International Airport is located at the northern end of the county, and...

. Rising near Big Basin Way and the Santa Cruz County

Santa Cruz County, California

Santa Cruz County is a county located on the Pacific coast of the U.S. state of California, on the California Central Coast. The county forms the northern coast of the Monterey Bay. . As of the 2010 U.S. Census, its population was 262,382. The county seat is Santa Cruz...

 line, it empties into Pescadero Creek

Pescadero Creek

Pescadero Creek is a major stream in Santa Cruz and San Mateo counties in California. At , it is the longest stream in San Mateo County and flows all year from springs in the Santa Cruz Mountains...

.

In 2008, a conservation organization awarded $32,000 to the San Mateo County Farm Bureau to fund removal of a 12 feet (3.7 m) high, 100 year-old log dam that was preventing steelhead

Rainbow trout

The rainbow trout is a species of salmonid native to tributaries of the Pacific Ocean in Asia and North America. The steelhead is a sea run rainbow trout usually returning to freshwater to spawn after 2 to 3 years at sea. In other words, rainbow trout and steelhead trout are the same species....

from accessing potential spawning grounds in the upper reaches of the creek.