Riley Dam is an earth dam located in Hemphill County, Texas, built in 1966. It carries a Low hazard potential classification.
Dam profile
NID height · 20 ft20 ft tall and 365 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 Riley Dam
Riley Dam is a dam in Hemphill, Texas. The dam is owned by Thomas Riley (private). It impounds the Tr-washita River.
The dam stands 20 feet tall and stretches 365 feet across, and has a maximum storage capacity of 63 acre-feet. Completed in 1966, 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.
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Location
| State | Texas |
| County | Hemphill |
| River/Stream | Tr-washita River |
| Coordinates | 35.68333, -100.20500 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 365 ft |
| Year Completed | 1966 (60 years old) |
Storage & Hydraulics
| NID Storage | 63 acre-ft |
| Max Storage | 63 acre-ft |
| Normal Storage | 51 acre-ft |
| Spillway Type | None |
Ownership & Safety
| Owner | Thomas Riley |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX06110 |
| Federal ID | TX06110 |
| More Info | State Dam Safety Program |