Martin Marietta Sludge Pond
Key Takeaway
Martin Marietta Sludge Pond is classified as low hazard in Washington. It was completed in 1981 and is 45 years old. Its primary use is other.
Physical Details
| Dam Length | 1,490 ft |
| Dam Type | Earth |
| Max Storage | 95 acre-ft |
| Normal Storage | 90 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 5 cfs |
| Year Completed | 1981 (45 years old) |
| NID ID | WA00441 |
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
NSC Smelter LLC
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Martin Marietta Sludge Pond?
Martin Marietta Sludge Pond 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 Martin Marietta Sludge Pond?
Martin Marietta Sludge Pond is owned by NSC Smelter LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Martin Marietta Sludge Pond built?
Martin Marietta Sludge Pond was completed in 1981, making it 45 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 Martin Marietta Sludge Pond?
Martin Marietta Sludge Pond serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.