River/Stream: Willow Creek
Location: Mason City, Cerro Gordo County
Owner: City of Webster City
Fatalities:
Close call: Quick response by three people helped a 9-year-old Mason City boy escape what police called a "near-drowning incident" in Willow Creek Sunday afternoon, August 4, 2002, near a dam in East Park. Three boys had attempted to walk across the dam.
Pierce Avenue Dam
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Looking west over dam and pond from N Pierce Avenue bridge
Jackson Avenue Dam
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Monroe Avenue Rock Dam
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Comments: rubble
Pennsylvania Avenue Dam
Built: 1926
Height: 3 feet
Length: 104 feet
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Upstream of dam at Pennsylvanie Avenue bridge
Downstream view of dam at Pennsylvanie Avenue bridge
Rock Glen Dam
Built: 1870
Height: 6 feet
Length: 90 feet
Comments: recreation
Looking south towards Rock Glen Dam from E State Street bridge
East Park Slide Dam
Built: 1937. Removed fall 2016. Replaced with a limestone block wier in January, 2017.
Height: 4 feet
Length: 40 feet
Comments: recreation
Damage to previous dam exposed rebar hazard. Updated photo coming soon.
Lagoon Diversion Dam
Built: 1930
Height: 2 feet
Length: 40 feet
Comments: recreation
Dam diverts water into East Park lagoon
Fourth Street Dam
Built: 1930
Height: 2 feet
Length: 40 feet
Comments: recreation
Site is known to collect debris creating strainer hazards