Dams in Mercer, Ohio

7
Total Dams
2
High Hazard
4
Significant
62.7 yrs
Avg Age
Hazard Name Height
Dam Name Hazard Height Built Type State
Upper Wabash Structure No. 3 Dam Mercer High Hazard 28 ft 1963 Earth Ohio
Grand Lake St. Marys - West Embankment Mercer High Hazard 20 ft 1841 Earth Ohio
St. Henry Wwt Lagoon Mercer Significant Hazard 27 ft 1988 Earth Ohio
Montezuma Club Island Wwt Lagoon Cell 4 Mercer Significant Hazard 17 ft 2012 Earth Ohio
Montezuma/Club Island Wwt Lagoons Mercer Significant Hazard 17 ft 1985 Earth Ohio
Coldwater Wastewater Treatment Dam Mercer Significant Hazard 25 ft 1991 Earth Ohio
Upper Wabash Structure No. 2 Mercer Low Hazard 17 ft 1963 Earth Ohio