Pennsylvania Creek, located in Fairfield, California, is a crucial water resource for flood risk reduction in the area. The dam, completed in 1958, stands at a height of 14 feet and has a storage capacity of 148 acre-feet. The creek covers a surface area of 35 acres and drains an area of 1.77 square miles.

With a high hazard potential, Pennsylvania Creek is under state regulation, inspection, and enforcement to ensure its structural integrity and safety. The dam is primarily made of earth and serves as a critical infrastructure for managing water levels and reducing flood risks in the region. Despite its satisfactory condition assessment as of September 2017, regular inspections are conducted to maintain its safety standards.

Owned by the local government and situated within the jurisdiction of Solano County, Pennsylvania Creek plays a vital role in protecting the surrounding community from potential flooding events. As climate change continues to impact weather patterns, the proper management and maintenance of water resources like Pennsylvania Creek are essential for adapting to the changing environment and ensuring the safety and well-being of residents in the area.