Tom Frost is an earth dam located in Broomfield County, Colorado, built in 1951. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 12 ft12 ft tall and 1,068 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 Tom Frost
The primary purpose of Tom Frost is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by City of Broomfield (middleton, Brennan) (local government). It impounds the Big Dry Creek-os near Broomfield.
The dam stands 12 feet tall and stretches 1,068 feet across, creates a reservoir covering 9 acres, and has a maximum storage capacity of 160 acre-feet. Completed in 1951, the structure is well into its service life at over 50 years old.
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. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 11/19/1998. That was over 27 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 | Broomfield |
| Nearest City | Broomfield |
| River/Stream | Big Dry Creek-os |
| Coordinates | 39.93168, -105.04057 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 12 ft |
| Dam Height | 10 ft |
| Dam Length | 1,068 ft |
| Year Completed | 1951 (75 years old) |
Storage & Hydraulics
| NID Storage | 160 acre-ft |
| Max Storage | 160 acre-ft |
| Normal Storage | 9 acre-ft |
| Surface Area | 9 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | City of Broomfield (middleton, Brennan) |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 11/19/1998 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO01140 |
| Federal ID | CO01140 |
| More Info | State Dam Safety Program |