Pool Four Langshwager Tract is an earth dam located in Saginaw County, Michigan, built in 1955. It carries a Low hazard potential classification.
Dam profile
NID height · 10 ft10 ft tall and 15,180 ft long. 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 Pool Four Langshwager Tract
Pool Four Langshwager Tract is a dam in Saginaw, Michigan. The dam is owned by Doi Fws (federal). It impounds the Shiawassee River near Saginaw.
The dam stands 10 feet tall and stretches 15,180 feet across, creates a reservoir covering 96 acres, and has a maximum storage capacity of 384 acre-feet. Completed in 1955, the structure is well into its service life at over 50 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. The most recent inspection on record was 01/29/1981. That was over 45 years ago.
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Location
| State | Michigan |
| County | Saginaw |
| Nearest City | Saginaw |
| River/Stream | Shiawassee River |
| Coordinates | 43.33333, -84.05000 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 10 ft |
| Dam Height | 10 ft |
| Dam Length | 15,180 ft |
| Year Completed | 1955 (71 years old) |
Storage & Hydraulics
| NID Storage | 384 acre-ft |
| Max Storage | 384 acre-ft |
| Normal Storage | 270 acre-ft |
| Surface Area | 96 acres |
| Max Discharge | 2,600 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner | Doi Fws |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 01/29/1981 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MI00647 |
| Federal ID | MI00647 |
| More Info | State Dam Safety Program |