Marsh Lake Dam is an earth dam located in Saline County, Missouri, built in 1956. It carries a Low hazard potential classification.
Dam profile
NID height · 24 ft24 ft tall. 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 Marsh Lake Dam
The primary purpose of Marsh Lake Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Charles Marsh (private). It impounds the Tr-rock Creek near Nelson.
The dam stands 24 feet tall, creates a reservoir covering 6 acres, has a maximum storage capacity of 77 acre-feet, and collects water from a drainage area of 70 square miles. Completed in 1956, 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.
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Location
| State | Missouri |
| County | Saline |
| Nearest City | Nelson |
| River/Stream | Tr-rock Creek |
| Coordinates | 39.15024, -93.14881 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 24 ft |
| Dam Height | 24 ft |
| Year Completed | 1956 (70 years old) |
Storage & Hydraulics
| NID Storage | 77 acre-ft |
| Max Storage | 77 acre-ft |
| Normal Storage | 50 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 70 sq mi |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Charles Marsh |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO11626 |
| Federal ID | MO11626 |
| More Info | State Dam Safety Program |