Mariposa Lake Dam
Mariposa Lake Dam is an earth dam located in Dimmit County, Texas, built in 1958. It carries a Low hazard potential classification.
About Mariposa Lake Dam
The primary purpose of Mariposa Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Jr Marmion Jr (private). It impounds the Tr-el Moro Creek near Asherton.
The dam stands 11 feet tall and stretches 850 feet across, and has a maximum storage capacity of 264 acre-feet. Completed in 1958, 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. The most recent inspection on record was 04/24/1985. That was over 40 years ago.
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Location
| State | Texas |
| County | Dimmit |
| Nearest City | Asherton |
| River/Stream | Tr-el Moro Creek |
| Coordinates | 28.40862, -99.76762 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 11 ft |
| Dam Height | 11 ft |
| Dam Length | 850 ft |
| Year Completed | 1958 (68 years old) |
Storage & Hydraulics
| NID Storage | 264 acre-ft |
| Max Storage | 264 acre-ft |
| Normal Storage | 63 acre-ft |
| Spillway Type | None |
Ownership & Safety
| Purpose | Recreation |
| Owner | JR MARMION JR |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 04/24/1985 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX05947 |
| Federal ID | TX05947 |
| More Info | State Dam Safety Program |