Terminal
Terminal is an earth dam located in Broomfield County, Colorado, built in 1995. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Terminal
The primary purpose of Terminal 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 Broomfield (middleton, Brennan) (local government). It impounds the Big Dry Creek-os near Westminster.
The dam stands 60 feet tall and stretches 2,080 feet across, creates a reservoir covering 24 acres, and has a maximum storage capacity of 514 acre-feet. Completed in 1995, the structure is 31 years old.
This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. 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 05/03/2022.
At 60 feet, this dam is taller than 95% of all dams in the United States.
Living Downstream
If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Colorado dam safety program can provide more specific information about emergency planning for this structure.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Colorado |
| County | Broomfield |
| Nearest City | Westminster |
| River/Stream | Big Dry Creek-os |
| Coordinates | 39.96029, -105.04474 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 60 ft |
| Dam Height | 31 ft |
| Dam Length | 2,080 ft |
| Year Completed | 1995 (31 years old) |
Storage & Hydraulics
| NID Storage | 514 acre-ft |
| Max Storage | 514 acre-ft |
| Normal Storage | 386 acre-ft |
| Surface Area | 24 acres |
| Max Discharge | 839 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | CITY OF BROOMFIELD (MIDDLETON, BRENNAN) |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/03/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | CO02778 |
| Federal ID | CO02778 |
| More Info | State Dam Safety Program |