Coffelt Lake No 1 Dam is an earth dam located in Hill County, Texas, built in 1957. It carries a Low hazard potential classification.
Dam profile
NID height · 12 ft12 ft tall and 950 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 Coffelt Lake No 1 Dam
The primary purpose of Coffelt Lake No 1 Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Ralph Coffelt (private). It impounds the Patten Branch.
The dam stands 12 feet tall and stretches 950 feet across, creates a reservoir covering 18 acres, and has a maximum storage capacity of 135 acre-feet. Completed in 1957, 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 | Hill |
| River/Stream | Patten Branch |
| Coordinates | 31.77410, -97.23658 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 950 ft |
| Year Completed | 1957 (69 years old) |
Storage & Hydraulics
| NID Storage | 135 acre-ft |
| Max Storage | 135 acre-ft |
| Normal Storage | 100 acre-ft |
| Surface Area | 18 acres |
| Spillway Type | None |
Ownership & Safety
| Purpose | Recreation |
| Owner | Ralph Coffelt |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX00435 |
| Federal ID | TX00435 |
| More Info | State Dam Safety Program |