Sunset Hills Lake 1 Dam
Sunset Hills Lake 1 Dam is an earth dam located in Tazewell County, Illinois, built in 1964. It carries a High hazard potential classification.
About Sunset Hills Lake 1 Dam
The primary purpose of Sunset Hills Lake 1 Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Golf Club Properties Inc. (private). It impounds the Trib Lost Creek near Pekin.
The dam stands 42 feet tall and stretches 420 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 106 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1964, 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. An emergency action plan is in place for this dam. The most recent inspection on record was 11/26/2024.
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 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 | Tazewell |
| Nearest City | Pekin |
| River/Stream | Trib Lost Creek |
| Coordinates | 40.53968, -89.61383 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 42 ft |
| Dam Height | 42 ft |
| Dam Length | 420 ft |
| Year Completed | 1964 (62 years old) |
Storage & Hydraulics
| NID Storage | 106 acre-ft |
| Max Storage | 106 acre-ft |
| Normal Storage | 72 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 104 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | GOLF CLUB PROPERTIES INC. |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Not Available |
| Last Inspection | 11/26/2024 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | IL01006 |
| Federal ID | IL01006 |
| More Info | State Dam Safety Program |