Blue Heron Lake No. 5 Dam
Blue Heron Lake No. 5 Dam is an earth dam located in Medina County, Ohio. It carries a High hazard potential classification and has a fair condition assessment.
About Blue Heron Lake No. 5 Dam
The primary purpose of Blue Heron Lake No. 5 Dam is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by Blue Heron Pud Assoc. Inc. (private). It impounds the Tributary To West Branch Rocky River near Medina.
The dam stands 19 feet tall and stretches 320 feet across, creates a reservoir covering 15 acres, has a maximum storage capacity of 113 acre-feet, and collects water from a drainage area of 0 square miles.
This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. Notably, no emergency action plan is currently on file for this high-hazard dam. The most recent inspection on record was 10/31/2023.
Living Downstream
If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Ohio dam safety program can provide more specific information about emergency planning for this structure.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Ohio |
| County | Medina |
| Nearest City | Medina |
| River/Stream | Tributary To West Branch Rocky River |
| Coordinates | 41.10639, -81.79972 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 19 ft |
| Dam Height | 19 ft |
| Dam Length | 320 ft |
Storage & Hydraulics
| NID Storage | 113 acre-ft |
| Max Storage | 113 acre-ft |
| Normal Storage | 81 acre-ft |
| Surface Area | 15 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 1,234 cfs |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Blue Heron PUD Assoc. Inc. |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Fair |
| Last Inspection | 10/31/2023 |
| Emergency Action Plan | No |
Identifiers
| NID ID | OH00614 |
| Federal ID | OH00614 |
| More Info | State Dam Safety Program |