Evans Dam is an earth dam located in Collingsworth County, Texas, built in 1968. It carries a Significant hazard potential classification.
Dam profile
NID height · 35 ft35 ft tall and 400 ft long, taller than 80% 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 Evans Dam
The primary purpose of Evans Dam is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by Jason Smith (private). It impounds the Tr-jonah Creek.
The dam stands 35 feet tall and stretches 400 feet across, creates a reservoir covering 20 acres, and has a maximum storage capacity of 392 acre-feet. Completed in 1968, the structure is well into its service life at over 50 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. The most recent inspection on record was 09/25/2009. That was over 17 years ago.
At 35 feet, this dam is taller than 80% of dams nationwide.
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Location
| State | Texas |
| County | Collingsworth |
| River/Stream | Tr-jonah Creek |
| Coordinates | 34.75740, -100.52518 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 35 ft |
| Dam Height | 28 ft |
| Dam Length | 400 ft |
| Year Completed | 1968 (58 years old) |
Storage & Hydraulics
| NID Storage | 392 acre-ft |
| Max Storage | 392 acre-ft |
| Normal Storage | 240 acre-ft |
| Surface Area | 20 acres |
| Spillway Type | None |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Jason Smith |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 09/25/2009 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX03620 |
| Federal ID | TX03620 |
| More Info | State Dam Safety Program |