Lake Sylvan Dam

Significant HazardPoor ConditionEmergency Action Plan: Yes

Location

StateOhio
CountyClark
Nearest CityHARMONY
River/StreamTRIBUTARY TO BEAVER CREEK
Coordinates39.93528, -83.59306

Physical Characteristics

Dam TypeEarth
NID Height21 ft
Dam Height21 ft
Dam Length580 ft
Year Completed1947 (79 years old)

Storage & Hydraulics

NID Storage423 acre-ft
Max Storage423 acre-ft
Normal Storage238 acre-ft
Surface Area42 acres
Drainage Area1 sq mi
Max Discharge1,152 cfs

Ownership & Safety

PurposeRecreation
OwnerAndrew T. Warnock
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentPoor
Last Inspection10/29/2024
Emergency Action PlanYes

Identifiers

NID IDOH00041
Federal IDOH00041
More InfoState Dam Safety Program

Nearby Dams

The Van Dyke Club Lake Dam 0.7 mi Low Parker Lakes Upper Dam 2.1 mi Significant Parker Lakes Lower Dam 2.2 mi Low South Vienna Wwt Lagoons 2.4 mi Significant Clark Lake Dam 3.7 mi High Lake Choctaw Dam 6.4 mi High East Fork Buck Creek Structure Iv-a 7.0 mi Significant East Fork Buck Creek Structure I-b 7.1 mi Significant East Fork Buck Creek Structure Iii-a 8.0 mi Significant Clarence J. Brown Dam 8.2 mi High