Anderson #6 is an earth dam located in Mesa County, Colorado, built in 1929. It carries a Low hazard potential classification.
Dam profile
NID height · 23 ft23 ft tall and 390 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 Anderson #6
The primary purpose of Anderson #6 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 Grand Junction (local government). It impounds the Kahnah Creek-tr near Grand Junction.
The dam stands 23 feet tall and stretches 390 feet across, creates a reservoir covering 13 acres, and has a maximum storage capacity of 122 acre-feet. Completed in 1929, the structure is well-established, with more than 75 years of service.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. An emergency action plan is in place for this dam. The most recent inspection on record was 08/17/2017.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Colorado |
| County | Mesa |
| Nearest City | Grand Junction |
| River/Stream | Kahnah Creek-tr |
| Coordinates | 39.02334, -108.20223 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 23 ft |
| Dam Height | 18 ft |
| Dam Length | 390 ft |
| Year Completed | 1929 (97 years old) |
Storage & Hydraulics
| NID Storage | 122 acre-ft |
| Max Storage | 122 acre-ft |
| Normal Storage | 118 acre-ft |
| Surface Area | 13 acres |
| Max Discharge | 3,454 cfs |
| Spillway Type | None |
Ownership & Safety
| Purpose | Water Supply |
| Owner | City of Grand Junction |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 08/17/2017 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | CO00074 |
| Federal ID | CO00074 |
| More Info | State Dam Safety Program |