Dams in Mercer County, Ohio
11 dams on record, from Ohio's own published inventory. 9 have a computed filing deadline.
COLDWATER CREEK DIVERSION EMBANKMENT
unknown hazard
COLDWATER WASTEWATER TREATMENT DAM
intermediate hazard
EAP: Approved
Next due: June 30, 2027
GRAND LAKE ST. MARYS - WEST EMBANKMENT
high hazard
EAP: Approved
Next due: June 30, 2027
GUGGENBILLER LAKE DAM
low hazard
Next due: June 30, 2027
MONTEZUMA CLUB ISLAND WWT LAGOON CELL 4
intermediate hazard
EAP: Not Approved
Next due: June 30, 2027
MONTEZUMA/CLUB ISLAND WWT LAGOONS
intermediate hazard
EAP: Approved
Next due: June 30, 2027
MRC LAKE DAM
low hazard
Next due: June 30, 2027
ST. HENRY WWT LAGOON
intermediate hazard
EAP: Approved
Next due: June 30, 2027
UPPENKAMP DMRA CELLS
unknown hazard
UPPER WABASH STRUCTURE NO. 2
low hazard
EAP: Approved
Next due: June 30, 2027
UPPER WABASH STRUCTURE NO. 3 DAM
high hazard
EAP: Approved
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.