Swatara

SWATARA CREEK· Dauphin, Pennsylvania· Built 1935· Concrete· 10 ft tall
Low Hazard Water Supply Private

Key Takeaway

Swatara is classified as low hazard in Pennsylvania. It was completed in 1935 and is 91 years old. Its primary use is water supply.

Physical Details

Dam Height 10 ft (taller than 8.3% in PA)
Dam Length360 ft
Dam TypeConcrete
Max Storage669 acre-ft
Normal Storage501 acre-ft
Surface Area56 acres
Drainage Area521 sq mi
Year Completed1935 (91 years old)
NID IDPA01541

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: June 2, 2016
State Regulated: Yes
Regulatory Agency: Pennsylvania Department of Environmental Protection

Ownership

PA AMERICAN WATER COMPANY

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Swatara?

Swatara 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 Swatara?

Swatara is owned by PA AMERICAN WATER COMPANY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Swatara built?

Swatara was completed in 1935, making it 91 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 Swatara?

Swatara 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 Swatara?

Swatara has a dam height of 10 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 Swatara last inspected?

Swatara was last inspected on June 2, 2016. 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.