Frd No E-4

About Frd No E-4

The primary purpose of Frd No E-4 is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Fall River Wjd No 21 (local government). It impounds the East Branch Fall River-tr near Eureka.

The dam stands 45 feet tall and stretches 1,300 feet across, creates a reservoir covering 11 acres, has a maximum storage capacity of 1,173 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1965, the structure is well into its service life at over 50 years old.

This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. An emergency action plan is in place for this dam. The most recent inspection on record was 04/29/2019.

At 45 feet, this dam is taller than 91% of dams nationwide.

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