Koontz Run Reservoir Tanks is an other dam located in Allegany County, Maryland, built in 2015. It carries a High hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 21 ft21 ft tall and 115 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Koontz Run Reservoir Tanks
The primary purpose of Koontz Run Reservoir Tanks 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 Lonaconing Water Co (public utility). It impounds the Koontz Run near Lonaconing.
The dam stands 21 feet tall and stretches 115 feet across, creates a reservoir covering 0 acres, has a maximum storage capacity of 10 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 2015, the structure is relatively new.
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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 11/19/2024.
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 Maryland 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 | Maryland |
| County | Allegany |
| Nearest City | Lonaconing |
| River/Stream | Koontz Run |
| Coordinates | 39.59055, -79.00012 |
Physical Characteristics
| Dam Type | Other |
| NID Height | 21 ft |
| Dam Height | 21 ft |
| Dam Length | 115 ft |
| Year Completed | 2015 (11 years old) |
Storage & Hydraulics
| NID Storage | 10 acre-ft |
| Max Storage | 10 acre-ft |
| Normal Storage | 10 acre-ft |
| Surface Area | 0 acres |
| Drainage Area | 2 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Lonaconing Water Co |
| Owner Type | Public Utility |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 11/19/2024 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | MD00241 |
| Federal ID | MD00241 |
| More Info | State Dam Safety Program |