Spring Lake Road Dam is an earth dam located in St. Clair County, Illinois, built in 1968. It carries a Significant hazard potential classification.
Dam profile
NID height · 21 ft21 ft tall and 210 ft long. 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 Spring Lake Road Dam
The primary purpose of Spring Lake Road Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Vernon Elkhart (private). It impounds the Trib Douglas Creek near Douglas.
The dam stands 21 feet tall and stretches 210 feet across, and has a maximum storage capacity of 165 acre-feet. Completed in 1968, the structure is well into its service life at over 50 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. The most recent inspection on record was 06/01/2020.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Illinois |
| County | St. Clair |
| Nearest City | Douglas |
| River/Stream | Trib Douglas Creek |
| Coordinates | 38.46826, -90.06907 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 21 ft |
| Dam Height | 21 ft |
| Dam Length | 210 ft |
| Year Completed | 1968 (58 years old) |
Storage & Hydraulics
| NID Storage | 165 acre-ft |
| Max Storage | 165 acre-ft |
| Normal Storage | 102 acre-ft |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Vernon Elkhart |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 06/01/2020 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IL00378 |
| Federal ID | IL00378 |
| More Info | State Dam Safety Program |