Humboldt Reservoir
Key Takeaway
Humboldt Reservoir is classified as significant hazard in Pennsylvania. It was completed in 1911 and is 115 years old. Its primary use is water supply. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 41 ft (taller than 78.3% in PA) |
| Dam Length | 974 ft |
| Dam Type | Earth |
| Max Storage | 549 acre-ft |
| Normal Storage | 442 acre-ft |
| Surface Area | 35 acres |
| Drainage Area | 1 sq mi |
| Year Completed | 1911 (115 years old) |
| NID ID | PA00646 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
HAZLETON CITY AUTHORITY
Local Government
Nearby Dams
Upper Mount Pleasant
Luzerne, PA
High Hazard 20 ftLower Mount Pleasant
Luzerne, PA
High Hazard 28 ftLake Susquehanna
Luzerne, PA
High Hazard 51 ftLake Irena
Luzerne, PA
Significant Hazard 24 ftLofty Reservoir
Schuylkill, PA
Significant Hazard 30 ftLake Choctaw
Schuylkill, PA
High Hazard 34 ftJeddo Coal CO - Jeddo #8 Prep Plant
Luzerne, PA
Low Hazard 20 ftStill Creek
Schuylkill, PA
High Hazard 86 ftFrequently Asked Questions
What is the hazard classification of Humboldt Reservoir?
Humboldt Reservoir is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Humboldt Reservoir?
Humboldt Reservoir is owned by HAZLETON CITY AUTHORITY (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Humboldt Reservoir built?
Humboldt Reservoir was completed in 1911, making it 115 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
What is the primary purpose of Humboldt Reservoir?
Humboldt Reservoir serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Humboldt Reservoir?
Humboldt Reservoir has a dam height of 41 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.
When was Humboldt Reservoir last inspected?
Humboldt Reservoir was last inspected on October 24, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.