Margaret-carpenter
Margaret-carpenter is an earth dam located in Adams County, Colorado, built in 2008. It carries a Low hazard potential classification.
About Margaret-carpenter
The primary purpose of Margaret-carpenter is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by City Of Thornton (local government). It impounds the Grange Hall Creek near Thornton.
The dam stands 20 feet tall and stretches 1,118 feet across, creates a reservoir covering 10 acres, has a maximum storage capacity of 105 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 2008, the structure is relatively new.
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. The most recent inspection on record was 04/15/2019.
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Location
| State | Colorado |
| County | Adams |
| Nearest City | Thornton |
| River/Stream | Grange Hall Creek |
| Coordinates | 39.92522, -104.97238 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 1,118 ft |
| Year Completed | 2008 (18 years old) |
Storage & Hydraulics
| NID Storage | 105 acre-ft |
| Max Storage | 105 acre-ft |
| Normal Storage | 62 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 1,986 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | CITY OF THORNTON |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 04/15/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO02938 |
| Federal ID | CO02938 |
| More Info | State Dam Safety Program |