Loch Raven Dam Quick Facts
Loch Raven Dam Map
Loch Raven Dam Information
Loch Raven Dam is a gravity roller-compacted concrete dam located about 1 miles from Loch Raven, Baltimore, Maryland.
The dam, which is on the Gunpowder River, was primarily built for Water Supply purposes, but also serves for benefits.
The dam was designed by Gannett Fleming (modifications) and commissioned in 1923 and is currently owned by Baltimore City DPW Reservoir Section.
Loch Raven Dam Structure
The Loch Raven Dam is approximately 623 feet (190 m) long, 130 feet (40 m) high and has a structural volume of cubic yards (0 cubic metres).
Loch Raven Dam Storage Capacity & Surface Area
The reservoir has a normal storage capacity of 72,700 acre-ft (89,674 Ml) and maximum capacity of 145,000 acre-ft (178,855 Ml).
The surface area of the reservoir is 2,400 acres (971 ha) and the total catchment area is 303 square miles (785 square kilometres).
Loch Raven Dam Spillway
The dam has a 288 feet (88 m) wide uncontrolled spillway with a maximum discharge capacity of 173000 cubic feet per second (4899 cubic metres per second).
Loch Raven Dam Compared to Five Famous American Dams
Loch Raven Dam Weather
Current Conditions at Loch Raven Dam
Failed to fetch current weather data.7-Day Forecast for Loch Raven Dam
Failed to fetch weather forecast data.Loch Raven Dam Frequently Asked Questions
Loch Raven Dam is in Maryland.
Loch Raven Dam is in Baltimore County.
Loch Raven Dam is 130 feet high.
Loch Raven Dam is 623 feet long.
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Condition Assessment Classification
Satisfactory
No existing or potential dam safety deficiencies are recognized. Acceptable performance is expected under all loading conditions (static, hydrologic, seismic) in accordance with the minimum applicable state or federal regulatory criteria or tolerable risk guidelines.
Fair
No existing dam safety deficiencies are recognized for normal operating conditions. Rare or extreme hydrologic and/or seismic events may result in a dam safety deficiency. Risk may be in the range to take further action. Note: Rare or extreme event is defined by the regulatory agency based on their minimum
Poor
A dam safety deficiency is recognized for normal operating conditions which may realistically occur. Remedial action is necessary. POOR may also be used when uncertainties exist as to critical analysis parameters which identify a potential dam safety deficiency. Investigations and studies are necessary.
Unsatisfactory
A dam safety deficiency is recognized that requires immediate or emergency remedial action for problem resolution.
Not Rated
The dam has not been inspected, is not under state or federal jurisdiction, or has been inspected but, for whatever reason, has not been rated.
Not Available
Dams for which the condition assessment is restricted to approved government users.
Hazard Potential Classification
High
Dams assigned the high hazard potential classification are those where failure or mis-operation will probably cause loss of human life.
Significant
Dams assigned the significant hazard potential classification are those dams where failure or mis-operation results in no probable loss of human life but can cause economic loss, environment damage, disruption of lifeline facilities, or impact other concerns. Significant hazard potential classification dams are often located in predominantly rural or agricultural areas but could be in areas with population and significant infrastructure.
Low
Dams assigned the low hazard potential classification are those where failure or mis-operation results in no probable loss of human life and low economic and/or environmental losses. Losses are principally limited to the owner’s property.
Undetermined
Dams for which a downstream hazard potential has not been designated or is not provided.
Not Available
Dams for which the downstream hazard potential is restricted to approved government users.
Source: National Inventory of Dams