Dams in Ottawa County, Ohio
11 dams on record, from Ohio's own published inventory. 8 have a computed filing deadline.
GENOA UG SEWAGE DISPOSAL LAGOON CELLS 1&2
unknown hazard
GENOA UG SEWAGE DISPOSAL LGN CELLS 1,2,3&4
intermediate hazard
EAP: Not Approved
Next due: June 30, 2027
GRAYMONT SLUDGE LAGOONS
intermediate hazard
EAP: Approved
Next due: June 30, 2027
OAK HARBOR CSO BASIN DAM
unknown hazard
SETTLING POND
low hazard
Next due: June 30, 2027
SETTLING POND
unknown hazard
TOUSSAINT CREEK WILDLIFE AREA LAKE
low hazard
Next due: June 30, 2027
UNKNOWN
low hazard
Next due: June 30, 2027
US GYPSUM NORTH LAGOON
low hazard
Next due: June 30, 2027
US GYPSUM WEST LAGOON
low hazard
Next due: June 30, 2027
US Gypsum East Lagoon
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.