Porter Cc Reservoir (Clackamas) is a privately owned dam located in Clackamas, Oregon, with a primary purpose geared towards recreation. Built in 1977, this earth dam stands at a height of 21 feet, with a structural height reaching 26 feet and a hydraulic height of 18 feet. The reservoir boasts a maximum storage capacity of 80 acre-feet, with a normal storage level of 57 acre-feet and a surface area of 5.8 acres. Its drainage area covers 0.05 square miles, with a maximum discharge capacity of 12 cubic feet per second.

Managed by the Oregon Water Resources Department (OWRD), this low-hazard dam has not been given a condition assessment rating but undergoes inspections every 6 years. The dam's emergency action plan (EAP) status, risk assessment, and inundation maps preparation are currently not available. Situated within the Portland District, the reservoir provides a picturesque recreational spot for water resource and climate enthusiasts to enjoy various activities in a serene natural setting. With its tranquil waters and scenic surroundings, Porter Cc Reservoir (Clackamas) offers a peaceful escape for visitors seeking a connection with nature in the heart of Oregon's Clackamas County.