Horne No 5 Slurry
Horne No 5 Slurry is an earth dam located in Washington County, Pennsylvania, built in 1984. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Horne No 5 Slurry
Horne No 5 Slurry is a dam in Washington, Pennsylvania. The dam is owned by Pristine Resources, Inc. (private). It impounds the Tr Horn Run.
The dam stands 146 feet tall and stretches 1,460 feet across, creates a reservoir covering 28 acres, has a maximum storage capacity of 1,817 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1984, the structure is 42 years old.
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 12/04/2019.
At 146 feet, this dam is taller than 99% of all dams in the United States.
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 Pennsylvania 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 | Pennsylvania |
| County | Washington |
| River/Stream | Tr Horn Run |
| Coordinates | 40.02833, -80.10194 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 146 ft |
| Dam Height | 146 ft |
| Dam Length | 1,460 ft |
| Year Completed | 1984 (42 years old) |
Storage & Hydraulics
| NID Storage | 1,817 acre-ft |
| Max Storage | 1,817 acre-ft |
| Normal Storage | 273 acre-ft |
| Surface Area | 28 acres |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Other |
| Owner | PRISTINE RESOURCES, INC. |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 12/04/2019 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | PA01271 |
| Federal ID | PA01271 |
| More Info | State Dam Safety Program |