Dams in Marion County, Ohio
12 dams on record, from Ohio's own published inventory. 10 have a computed filing deadline.
BIG ISLAND WETLAND DAM
intermediate hazard
EAP: Approved
Next due: June 30, 2027
BIG ISLAND WILDLIFE AREA UPGROUND
low hazard
Next due: June 30, 2027
HICKORY GROVE LAKE CAMPGROUND DAM
low hazard
Next due: June 30, 2027
Impoundment #1
unknown hazard
LaRUE WASTEWATER TREATMENT LAGOON
intermediate hazard
EAP: Not Approved
Next due: June 30, 2027
MALO LAKE DAM
low hazard
Next due: June 30, 2027
MARION LAKE DAM
unknown hazard
SWANEY LEVEE
low hazard
Next due: June 30, 2027
TOZZER LAKE DAM
low hazard
Next due: June 30, 2027
UNKNOWN
low hazard
Next due: June 30, 2027
UNKNOWN
low hazard
Next due: June 30, 2027
UNKNOWN
low hazard
Next due: June 30, 2027
Sourced from Ohio's public dam inventory. Claiming a dam here is free — look it up to see its full record. See what Ohio requires of dam owners.