The Pittsburgh District is updating its Water Control Manual for the Union City Dam on French Creek. The district said “a water control manual defines the amount of water stored and released during normal operations throughout the year, as well as operations during emergencies and seasonal events such as droughts and floods.”
Union City Dam is one of 16 flood damage reduction projects in the Pittsburgh District. It is the only dry-bed reservoir in the district.
The dam can store the equivalent run-off of 4.08 inches of precipitation from its 222 square-mile drainage area. The district says the flood reduction benefits provided by the reservoir since its completion are estimated to be more than $80 million.