Anderson #2 is an earth dam located in Mesa County, Colorado, built in 1974. It carries a Significant hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 35 ft35 ft tall and 2,750 ft long, taller than 80% of U.S. dams with a recorded height. 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 #2
The primary purpose of Anderson #2 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 Kannah Creek-tr near Grand Junction.
The dam stands 35 feet tall and stretches 2,750 feet across, creates a reservoir covering 90 acres, and has a maximum storage capacity of 1,119 acre-feet. Completed in 1974, 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 fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. An emergency action plan is in place for this dam. The most recent inspection on record was 10/05/2021.
At 35 feet, this dam is taller than 80% of dams nationwide.
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 | Kannah Creek-tr |
| Coordinates | 39.03500, -108.12723 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 35 ft |
| Dam Height | 23 ft |
| Dam Length | 2,750 ft |
| Year Completed | 1974 (52 years old) |
Storage & Hydraulics
| NID Storage | 1,119 acre-ft |
| Max Storage | 1,119 acre-ft |
| Normal Storage | 595 acre-ft |
| Surface Area | 90 acres |
| Max Discharge | 415 cfs |
| Spillway Type | None |
Ownership & Safety
| Purpose | Water Supply |
| Owner | City of Grand Junction |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 10/05/2021 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | CO00072 |
| Federal ID | CO00072 |
| More Info | State Dam Safety Program |