John Coon Ranch Lake Dam is an earth dam located in Moore County, Texas, built in 1950. It carries a Low hazard potential classification.
Dam profile
NID height · 15 ft15 ft tall and 700 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 John Coon Ranch Lake Dam
The primary purpose of John Coon Ranch Lake 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 John Coon Estate (private). It impounds the Tr-big Blue Creek.
The dam stands 15 feet tall and stretches 700 feet across, creates a reservoir covering 15 acres, and has a maximum storage capacity of 168 acre-feet. Completed in 1950, the structure is well-established, with more than 75 years of service.
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 | Moore |
| River/Stream | Tr-big Blue Creek |
| Coordinates | 35.79833, -101.92667 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 700 ft |
| Year Completed | 1950 (76 years old) |
Storage & Hydraulics
| NID Storage | 168 acre-ft |
| Max Storage | 168 acre-ft |
| Normal Storage | 75 acre-ft |
| Surface Area | 15 acres |
| Spillway Type | None |
Ownership & Safety
| Purpose | Water Supply |
| Owner | John Coon Estate |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX03832 |
| Federal ID | TX03832 |
| More Info | State Dam Safety Program |