Knox Dam No 3 is an earth dam located in Coleman County, Texas, built in 1960. It carries a Low hazard potential classification.
Dam profile
NID height · 26 ft26 ft tall and 630 ft long, taller than 55% 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 Knox Dam No 3
The primary purpose of Knox Dam No 3 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 Eldon Knox (private). It impounds the Buffalo Branch.
The dam stands 26 feet tall and stretches 630 feet across, creates a reservoir covering 13 acres, and has a maximum storage capacity of 177 acre-feet. Completed in 1960, 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 | Coleman |
| River/Stream | Buffalo Branch |
| Coordinates | 32.02074, -99.33126 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 26 ft |
| Dam Height | 26 ft |
| Dam Length | 630 ft |
| Year Completed | 1960 (66 years old) |
Storage & Hydraulics
| NID Storage | 177 acre-ft |
| Max Storage | 177 acre-ft |
| Normal Storage | 114 acre-ft |
| Surface Area | 13 acres |
| Spillway Type | None |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Eldon Knox |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX02151 |
| Federal ID | TX02151 |
| More Info | State Dam Safety Program |