Jack Williams is an earth dam located in Las Animas County, Colorado, built in 1965. It carries a Low hazard potential classification.
Dam profile
NID height · 32 ft32 ft tall and 580 ft long, taller than 74% of U.S. dams with a recorded height. 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 Jack Williams
The primary purpose of Jack Williams 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 Jack Williams (private). It impounds the Tejana Arroyo near Manzanola.
The dam stands 32 feet tall and stretches 580 feet across, creates a reservoir covering 17 acres, has a maximum storage capacity of 179 acre-feet, and collects water from a drainage area of 6 square miles. Completed in 1965, 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. The most recent inspection on record was 02/13/1992. That was over 34 years ago.
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Location
| State | Colorado |
| County | Las Animas |
| Nearest City | Manzanola |
| River/Stream | Tejana Arroyo |
| Coordinates | 37.59168, -104.44057 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 32 ft |
| Dam Height | 20 ft |
| Dam Length | 580 ft |
| Year Completed | 1965 (61 years old) |
Storage & Hydraulics
| NID Storage | 179 acre-ft |
| Max Storage | 179 acre-ft |
| Normal Storage | 94 acre-ft |
| Surface Area | 17 acres |
| Drainage Area | 6 sq mi |
| Max Discharge | 7,200 cfs |
| Spillway Type | None |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Jack Williams |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 02/13/1992 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO00528 |
| Federal ID | CO00528 |
| More Info | State Dam Safety Program |