Perco Lake Dam North is an earth dam located in Perry County, Missouri, built in 1953. It carries a High hazard potential classification.
Dam profile
NID height · 25 ft25 ft tall, taller than 50% 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 Perco Lake Dam North
The primary purpose of Perco Lake Dam North is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Perco Hnt + Fsh Clb (private). It impounds the Tr-south Fork Saline Cr near St Marys.
The dam stands 25 feet tall, creates a reservoir covering 25 acres, has a maximum storage capacity of 334 acre-feet, and collects water from a drainage area of 1,150 square miles. Completed in 1953, the structure is well into its service life at over 50 years old.
This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream.
Living Downstream
If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Missouri dam safety program can provide more specific information about emergency planning for this structure.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Missouri |
| County | Perry |
| Nearest City | St Marys |
| River/Stream | Tr-south Fork Saline Cr |
| Coordinates | 37.67388, -89.96172 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Year Completed | 1953 (73 years old) |
Storage & Hydraulics
| NID Storage | 334 acre-ft |
| Max Storage | 334 acre-ft |
| Normal Storage | 105 acre-ft |
| Surface Area | 25 acres |
| Drainage Area | 1,150 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner | Perco Hnt + Fsh Clb |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO30837 |
| Federal ID | MO30837 |
| More Info | State Dam Safety Program |