Ward #5 is an earth dam located in Denver County, Colorado, built in 1889. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 10 ft10 ft tall and 1,350 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 Ward #5
The primary purpose of Ward #5 is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Riviera Circle Lake Club (brock, Chris) (private). It impounds the Sanderson Gulch near Denver.
The dam stands 10 feet tall and stretches 1,350 feet across, creates a reservoir covering 15 acres, and has a maximum storage capacity of 120 acre-feet. Completed in 1889, the structure is over a century 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 02/16/2021.
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Location
| State | Colorado |
| County | Denver |
| Nearest City | Denver |
| River/Stream | Sanderson Gulch |
| Coordinates | 39.67818, -105.04355 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 10 ft |
| Dam Height | 10 ft |
| Dam Length | 1,350 ft |
| Year Completed | 1889 (137 years old) |
Storage & Hydraulics
| NID Storage | 120 acre-ft |
| Max Storage | 120 acre-ft |
| Normal Storage | 69 acre-ft |
| Surface Area | 15 acres |
| Max Discharge | 10 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Riviera Circle Lake Club (brock, Chris) |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 02/16/2021 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | CO01826 |
| Federal ID | CO01826 |
| More Info | State Dam Safety Program |