Shores of Calvert Upper Dam (Rivershore Drive)

Patuxent River-TR· Calvert, Maryland· Built 1972· Earth· 25 ft tall

Significant Hazard Recreation Private

Key Takeaway

Shores of Calvert Upper Dam (Rivershore Drive) is classified as significant hazard in Maryland. It was completed in 1972 and is 54 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height	25 ft (taller than 60.9% in MD)
Dam Length	275 ft
Dam Type	Earth
Max Storage	50 acre-ft
Normal Storage	20 acre-ft

Surface Area	7 acres
Drainage Area	0 sq mi
Max Discharge	125 cfs
Year Completed	1972 (54 years old)
NID ID	MD00394

Safety Information

Significant Hazard

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?

Emergency Action Plan: Yes

Last Inspection: August 6, 2018

State Regulated: Yes

Regulatory Agency: MD Dam Safety

Ownership

Shores of Calvert Assn

Private

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Ferry Landing Woods Pond

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Calvert Gateway

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Victoria Station Community Lake

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Marlton South Swm Dam

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Stoneleigh Community Pond (Stoneleigh Court)

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Twin Lakes Upper Pond (Hoile Lane)

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Significant Hazard 15 ft

Beechtree Dam

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Low Hazard 43 ft

Frequently Asked Questions

What is the hazard classification of Shores of Calvert Upper Dam (Rivershore Drive)?

Shores of Calvert Upper Dam (Rivershore Drive) 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 Shores of Calvert Upper Dam (Rivershore Drive)?

Shores of Calvert Upper Dam (Rivershore Drive) is owned by Shores of Calvert Assn (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Shores of Calvert Upper Dam (Rivershore Drive) built?

Shores of Calvert Upper Dam (Rivershore Drive) was completed in 1972, making it 54 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 Shores of Calvert Upper Dam (Rivershore Drive)?

Shores of Calvert Upper Dam (Rivershore Drive) serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Shores of Calvert Upper Dam (Rivershore Drive)?

Shores of Calvert Upper Dam (Rivershore Drive) has a dam height of 25 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 Shores of Calvert Upper Dam (Rivershore Drive) last inspected?

Shores of Calvert Upper Dam (Rivershore Drive) was last inspected on August 6, 2018. 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.