Ginther #1 is an earth dam located in Adams County, Colorado, built in 1904. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 12 ft12 ft tall and 1,185 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 Ginther #1
The primary purpose of Ginther #1 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 (jennings, Andy) (local government). It impounds the Brantner Gulch-tr near Brighton.
The dam stands 12 feet tall and stretches 1,185 feet across, creates a reservoir covering 7 acres, and has a maximum storage capacity of 57 acre-feet. Completed in 1904, the structure is over a century 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 09/24/2013. That was over 13 years ago.
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Location
| State | Colorado |
| County | Adams |
| Nearest City | Brighton |
| River/Stream | Brantner Gulch-tr |
| Coordinates | 39.93168, -104.92558 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 1,185 ft |
| Year Completed | 1904 (122 years old) |
Storage & Hydraulics
| NID Storage | 57 acre-ft |
| Max Storage | 57 acre-ft |
| Normal Storage | 43 acre-ft |
| Surface Area | 7 acres |
| Max Discharge | 15 cfs |
| Spillway Type | None |
Ownership & Safety
| Purpose | Irrigation |
| Owner | City of Thornton (jennings, Andy) |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 09/24/2013 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO02112 |
| Federal ID | CO02112 |
| More Info | State Dam Safety Program |