Patterson Lake No 1 Dam is an earth dam located in Throckmorton County, Texas, built in 1966. It carries a Low hazard potential classification.
Dam profile
NID height · 20 ft20 ft tall and 560 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 Patterson Lake No 1 Dam
Patterson Lake No 1 Dam is a dam in Throckmorton, Texas. The dam is owned by John Patterson (private). It impounds the Tr-north Elm Creek.
The dam stands 20 feet tall and stretches 560 feet across, and has a maximum storage capacity of 312 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 | Throckmorton |
| River/Stream | Tr-north Elm Creek |
| Coordinates | 33.22975, -99.15697 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 560 ft |
| Year Completed | 1966 (60 years old) |
Storage & Hydraulics
| NID Storage | 312 acre-ft |
| Max Storage | 312 acre-ft |
| Normal Storage | 73 acre-ft |
| Spillway Type | None |
Ownership & Safety
| Owner | John Patterson |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX05242 |
| Federal ID | TX05242 |
| More Info | State Dam Safety Program |