J. M. is an earth dam located in Huerfano County, Colorado, built in 1915. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 12 ft12 ft tall and 540 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 J. M.
The primary purpose of J. M. is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by Wolf Springs Ranch (ranch Manager) (private). It impounds the Bruff Creek-tr near Gardner.
The dam stands 12 feet tall and stretches 540 feet across, creates a reservoir covering 50 acres, and has a maximum storage capacity of 300 acre-feet. Completed in 1915, 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 10/11/2011. That was over 15 years ago.
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Location
| State | Colorado |
| County | Huerfano |
| Nearest City | Gardner |
| River/Stream | Bruff Creek-tr |
| Coordinates | 37.82834, -105.35390 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 540 ft |
| Year Completed | 1915 (111 years old) |
Storage & Hydraulics
| NID Storage | 300 acre-ft |
| Max Storage | 300 acre-ft |
| Normal Storage | 200 acre-ft |
| Surface Area | 50 acres |
| Max Discharge | 52 cfs |
| Spillway Type | None |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Wolf Springs Ranch (ranch Manager) |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 10/11/2011 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO01997 |
| Federal ID | CO01997 |
| More Info | State Dam Safety Program |