Montebello Waste Water Lake

Herring Run-TR-OS· Baltimore City, Maryland· Built 1915· Earth· 46 ft tall
Low Hazard Local Government

Key Takeaway

Montebello Waste Water Lake is classified as low hazard in Maryland. It was completed in 1915 and is 111 years old.

Physical Details

Dam Height 46 ft (taller than 90.6% in MD)
Dam Length490 ft
Dam TypeEarth
Max Storage110 acre-ft
Normal Storage79 acre-ft
Surface Area7 acres
Drainage Area0 sq mi
Max Discharge915 cfs
Year Completed1915 (111 years old)
Year Modified1915
NID IDMD00110

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: August 12, 2019
State Regulated: Yes
Regulatory Agency: MD Dam Safety

Ownership

Baltimore City DPW Reservoir Section

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Montebello Waste Water Lake?

Montebello Waste Water Lake 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 Montebello Waste Water Lake?

Montebello Waste Water Lake is owned by Baltimore City DPW Reservoir Section (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Montebello Waste Water Lake built?

Montebello Waste Water Lake was completed in 1915, making it 111 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.

How tall is Montebello Waste Water Lake?

Montebello Waste Water Lake has a dam height of 46 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 Montebello Waste Water Lake last inspected?

Montebello Waste Water Lake was last inspected on August 12, 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.