North Lake Conservancy District Dam
North Lake Conservancy District Dam is an earth dam located in Johnson County, Indiana, built in 1952. It carries a High hazard potential classification and has a satisfactory condition assessment.
About North Lake Conservancy District Dam
The primary purpose of North Lake Conservancy District Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by North Lake Conservancy District (local government). It impounds the Unnamed Tributary Mud Creek.
The dam stands 42 feet tall and stretches 350 feet across, creates a reservoir covering 22 acres, has a maximum storage capacity of 366 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1952, 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. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 03/10/2010. That was 16 years ago — unusually long for a high-hazard dam, which typically requires more frequent inspections.
At 42 feet, this dam is taller than 89% of dams nationwide.
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 Indiana 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 | Indiana |
| County | Johnson |
| River/Stream | Unnamed Tributary Mud Creek |
| Coordinates | 39.35225, -86.11106 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 42 ft |
| Dam Height | 42 ft |
| Dam Length | 350 ft |
| Year Completed | 1952 (74 years old) |
Storage & Hydraulics
| NID Storage | 366 acre-ft |
| Max Storage | 366 acre-ft |
| Normal Storage | 240 acre-ft |
| Surface Area | 22 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 4,152 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | NORTH LAKE CONSERVANCY DISTRICT |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 03/10/2010 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | IN00008 |
| Federal ID | IN00008 |
| More Info | State Dam Safety Program |