Now in its second year, the 24-hour hotline for anonymously reporting suspected environmental code violations along creek beds in the San Geronimo Valley—part of an effort to safeguard the fragile watershed—has received 26 calls, none of which ultimately revealed infractions. The watershed, home to one of the largest remaining wild runs of coho salmon in California, has been the focus of new regulations since 2022, when the county adopted a suite of rules as part…