Petes Valley, located in Lassen, California, is home to a significant water management structure known as Petes Creek. This privately owned dam was completed in 1954 and serves primarily for water supply purposes, including irrigation. With a height of 29 feet and a storage capacity of 240 acre-feet, Petes Valley Dam plays a crucial role in maintaining water resources for the surrounding area.

Managed by the California Department of Water Resources, Petes Valley Dam has a history of regular inspections and a satisfactory condition assessment, indicating its reliability in water management. Despite its low hazard potential, the dam is equipped with necessary safety and regulatory measures to ensure its structural integrity and the safety of downstream communities. As a key component in the water supply infrastructure of Belfast, Petes Valley serves as a vital resource for the region's agricultural and domestic water needs.

With a drainage area of 12.44 square miles and a maximum discharge capacity of 6,355 cubic feet per second, Petes Valley Dam plays a crucial role in regulating water flow and storage in the area. The dam's location in the picturesque Petes Valley provides a scenic backdrop to its functional importance in water resource management and climate resilience efforts. For water resource and climate enthusiasts, Petes Valley represents a harmonious blend of nature's beauty and human ingenuity in sustaining vital water supplies for the community.