Mill Creek No 2 is an earth dam located in Hinsdale County, Colorado, built in 1955. It carries a Significant hazard potential classification.
Dam profile
NID height · 23 ft23 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 Mill Creek No 2
The primary purpose of Mill Creek No 2 is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Usda Fs (federal). It impounds the Millcreek.
The dam stands 23 feet tall and stretches 210 feet across, has a maximum storage capacity of 20 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1955, 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 09/14/2010. That was over 16 years ago.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Colorado |
| County | Hinsdale |
| River/Stream | Millcreek |
| Coordinates | 38.00022, -107.21328 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 23 ft |
| Dam Height | 18 ft |
| Dam Length | 210 ft |
| Year Completed | 1955 (71 years old) |
Storage & Hydraulics
| NID Storage | 20 acre-ft |
| Max Storage | 20 acre-ft |
| Normal Storage | 9 acre-ft |
| Drainage Area | 2 sq mi |
| Max Discharge | 280 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Usda Fs |
| Owner Type | Federal |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 09/14/2010 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO02622 |
| Federal ID | CO02622 |
| More Info | State Dam Safety Program |