Lake Kilby Water Treatment Plant Sludge Lagoon Dam
Key Takeaway
Lake Kilby Water Treatment Plant Sludge Lagoon Dam is classified as low hazard in Virginia. Its primary use is other.
Physical Details
| Dam Height | 30 ft (taller than 67.7% in VA) |
| Dam Length | 22,187 ft |
| Dam Type | Earth |
| Max Storage | 228 acre-ft |
| Normal Storage | 99 acre-ft |
| Surface Area | 21 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 3 cfs |
| NID ID | VA800023 |
Safety Information
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?
Ownership
City of Portsmouth, Department of Public Utilities
Local Government
Nearby Dams
Lake Kilby Dam
Suffolk, VA
High Hazard 19 ftLake Cohoon Dam
Suffolk, VA
High Hazard 29 ftSpeights Run Dam
Suffolk, VA
High Hazard 26 ftLake Meade Dam
Suffolk, VA
High Hazard 25 ftIzaak Walton Dam
Suffolk, VA
Low Hazard 35 ftRountree South Dam
Suffolk, VA
Unknown 11 ftRountree North Dam
Suffolk, VA
Unknown 22 ftLake Prince Dam
Suffolk, VA
Low Hazard 28 ftFrequently Asked Questions
What is the hazard classification of Lake Kilby Water Treatment Plant Sludge Lagoon Dam?
Lake Kilby Water Treatment Plant Sludge Lagoon Dam 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 Lake Kilby Water Treatment Plant Sludge Lagoon Dam?
Lake Kilby Water Treatment Plant Sludge Lagoon Dam is owned by City of Portsmouth, Department of Public Utilities (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
What is the primary purpose of Lake Kilby Water Treatment Plant Sludge Lagoon Dam?
Lake Kilby Water Treatment Plant Sludge Lagoon Dam serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Lake Kilby Water Treatment Plant Sludge Lagoon Dam?
Lake Kilby Water Treatment Plant Sludge Lagoon Dam has a dam height of 30 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 Lake Kilby Water Treatment Plant Sludge Lagoon Dam last inspected?
Lake Kilby Water Treatment Plant Sludge Lagoon Dam was last inspected on May 10, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.