Aurora-rampart
Aurora-rampart is an earth dam located in Douglas County, Colorado, built in 1964. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Aurora-rampart
The primary purpose of Aurora-rampart is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by City Of Aurora (local government). It impounds the Willow Creek-os near Kassler.
The dam stands 62 feet tall and stretches 2,000 feet across, creates a reservoir covering 66 acres, and has a maximum storage capacity of 1,596 acre-feet. Completed in 1964, 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. 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 09/27/2021.
At 62 feet, this dam is taller than 95% of all dams in the United States.
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Location
| State | Colorado |
| County | Douglas |
| Nearest City | Kassler |
| River/Stream | Willow Creek-os |
| Coordinates | 39.45084, -105.06362 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 62 ft |
| Dam Height | 48 ft |
| Dam Length | 2,000 ft |
| Year Completed | 1964 (62 years old) |
Storage & Hydraulics
| NID Storage | 1,596 acre-ft |
| Max Storage | 1,596 acre-ft |
| Normal Storage | 1,200 acre-ft |
| Surface Area | 66 acres |
| Max Discharge | 1,933 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | CITY OF AURORA |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 09/27/2021 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | CO00260 |
| Federal ID | CO00260 |
| More Info | State Dam Safety Program |