Biddle Hollow Reservoir

BIDDLE HOLLOW CREEK· Blair, Pennsylvania· Built 1911· Earth· 33 ft tall
Low Hazard Water Supply Local Government

Key Takeaway

Biddle Hollow Reservoir is classified as low hazard in Pennsylvania. It was completed in 1911 and is 115 years old. Its primary use is water supply.

Physical Details

Dam Height 33 ft (taller than 69.3% in PA)
Dam Length416 ft
Dam TypeEarth
Max Storage46 acre-ft
Normal Storage37 acre-ft
Surface Area1 acres
Drainage Area1 sq mi
Year Completed1911 (115 years old)
NID IDPA00538

Safety Information

Low Hazard

No probable loss of human life and low economic/environmental losses expected.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: No
Last Inspection: July 31, 2019
State Regulated: Yes
Regulatory Agency: Pennsylvania Department of Environmental Protection

Ownership

ROARING SPRING BOROUGH

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Biddle Hollow Reservoir?

Biddle Hollow Reservoir is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Biddle Hollow Reservoir?

Biddle Hollow Reservoir is owned by ROARING SPRING BOROUGH (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Biddle Hollow Reservoir built?

Biddle Hollow 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 Biddle Hollow Reservoir?

Biddle Hollow 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 Biddle Hollow Reservoir?

Biddle Hollow Reservoir has a dam height of 33 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 Biddle Hollow Reservoir last inspected?

Biddle Hollow Reservoir was last inspected on July 31, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.

Data from the National Inventory of Dams (NID) maintained by the US Army Corps of Engineers. Dam conditions may have changed since the last update. This site is not affiliated with USACE. Do not use for emergency planning — contact your local dam safety program.