Dann Kraatz Dam
Dann Kraatz Dam is an earth dam located in Alexander County, Illinois, built in 2010. It carries a High hazard potential classification.
About Dann Kraatz Dam
The primary purpose of Dann Kraatz Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is private-owned. It impounds the Trib Horseshoe Lake.
The dam stands 20 feet tall and stretches 300 feet across, and has a storage capacity of 14 acre-feet. Completed in 2010, the structure is relatively new.
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. Notably, no emergency action plan is currently on file for this high-hazard dam. The most recent inspection on record was 10/08/2025.
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 Illinois 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 | Illinois |
| County | Alexander |
| River/Stream | Trib Horseshoe Lake |
| Coordinates | 37.17559, -89.37772 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 300 ft |
| Year Completed | 2010 (16 years old) |
Storage & Hydraulics
| NID Storage | 14 acre-ft |
| Normal Storage | 14 acre-ft |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Not Available |
| Last Inspection | 10/08/2025 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IL50639 |
| Federal ID | IL50639 |
| More Info | State Dam Safety Program |