Martin Marietta Sludge Pond
Martin Marietta Sludge Pond is an earth dam located in Klickitat County, Washington, built in 1981. It carries a Low hazard potential classification.
About Martin Marietta Sludge Pond
Martin Marietta Sludge Pond is a dam in Klickitat, Washington. The dam is owned by Nsc Smelter Llc (private). It impounds the Offstream.
The dam stands 28 feet tall and stretches 1,490 feet across, creates a reservoir covering 10 acres, has a maximum storage capacity of 95 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1981, the structure is 45 years old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life.
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Location
| State | Washington |
| County | Klickitat |
| River/Stream | Offstream |
| Coordinates | 45.72631, -120.71433 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 28 ft |
| Dam Length | 1,490 ft |
| Year Completed | 1981 (45 years old) |
Storage & Hydraulics
| NID Storage | 95 acre-ft |
| Max Storage | 95 acre-ft |
| Normal Storage | 90 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 5 cfs |
Ownership & Safety
| Purpose | Other |
| Owner | NSC Smelter LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WA00441 |
| Federal ID | WA00441 |
| More Info | State Dam Safety Program |