Myrtle Grove Lake is an earth dam located in Charles County, Maryland, built in 1965. It carries a Low hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 14 ft14 ft tall and 1,800 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 Myrtle Grove Lake
The primary purpose of Myrtle Grove Lake is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Md Dnr-public Lands, Engineering & Constr-southern (state). It impounds the Mattawoman Creek-tr near Buteaux Crossing.
The dam stands 14 feet tall and stretches 1,800 feet across, creates a reservoir covering 23 acres, has a maximum storage capacity of 192 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1965, 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. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 03/09/2022.
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Location
| State | Maryland |
| County | Charles |
| Nearest City | Buteaux Crossing |
| River/Stream | Mattawoman Creek-tr |
| Coordinates | 38.56630, -77.08030 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 14 ft |
| Dam Height | 14 ft |
| Dam Length | 1,800 ft |
| Year Completed | 1965 (61 years old) |
Storage & Hydraulics
| NID Storage | 192 acre-ft |
| Max Storage | 192 acre-ft |
| Normal Storage | 88 acre-ft |
| Surface Area | 23 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 100 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Md Dnr-public Lands, Engineering & Constr-southern |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 03/09/2022 |
| Emergency Action Plan | No |
Identifiers
| NID ID | MD00183 |
| Federal ID | MD00183 |
| More Info | State Dam Safety Program |