Marquette Lake
Marquette Lake is an earth dam located in Lebanon County, Pennsylvania, built in 1943. It carries a High hazard potential classification and has a poor condition assessment.
About Marquette Lake
The primary purpose of Marquette Lake is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Pa Dept. Of Military And Veterans Affairs (state). It impounds the Indiantown Run.
The dam stands 27 feet tall and stretches 955 feet across, creates a reservoir covering 15 acres, has a maximum storage capacity of 253 acre-feet, and collects water from a drainage area of 5 square miles. Completed in 1943, the structure is well-established, with more than 75 years of service.
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. Its condition is rated poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. An emergency action plan is in place for this dam. The most recent inspection on record was 03/29/2021.
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 Pennsylvania 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 | Pennsylvania |
| County | Lebanon |
| River/Stream | Indiantown Run |
| Coordinates | 40.43333, -76.59806 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 27 ft |
| Dam Height | 27 ft |
| Dam Length | 955 ft |
| Year Completed | 1943 (83 years old) |
Storage & Hydraulics
| NID Storage | 253 acre-ft |
| Max Storage | 253 acre-ft |
| Normal Storage | 61 acre-ft |
| Surface Area | 15 acres |
| Drainage Area | 5 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner | PA DEPT. OF MILITARY AND VETERANS AFFAIRS |
| Owner Type | State |
| Hazard Classification | High |
| Condition Assessment | Poor |
| Last Inspection | 03/29/2021 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | PA00014 |
| Federal ID | PA00014 |
| More Info | State Dam Safety Program |