Mathies Sediment Pond No 5 is an earth dam located in Washington County, Pennsylvania, built in 1982. It carries a Significant hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 33 ft33 ft tall and 175 ft long, taller than 76% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Mathies Sediment Pond No 5
Mathies Sediment Pond No 5 is a dam in Washington, Pennsylvania. The dam is owned by Canestrale Environmental Control Corp (private). It impounds the Tr Monongahela River.
The dam stands 33 feet tall and stretches 175 feet across, creates a reservoir covering 0 acres, has a maximum storage capacity of 12 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1982, the structure is 44 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. An emergency action plan is in place for this dam. The most recent inspection on record was 11/15/2017.
At 33 feet, this dam is taller than 76% of dams nationwide.
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Location
| State | Pennsylvania |
| County | Washington |
| River/Stream | Tr Monongahela River |
| Coordinates | 40.21750, -79.96806 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 33 ft |
| Dam Height | 33 ft |
| Dam Length | 175 ft |
| Year Completed | 1982 (44 years old) |
Storage & Hydraulics
| NID Storage | 12 acre-ft |
| Max Storage | 12 acre-ft |
| Normal Storage | 3 acre-ft |
| Surface Area | 0 acres |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Other |
| Owner | Canestrale Environmental Control Corp |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 11/15/2017 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | PA01364 |
| Federal ID | PA01364 |
| More Info | State Dam Safety Program |