Mathisen Lake Dam
Mathisen Lake Dam is an earth dam located in Gillespie County, Texas, built in 1970. It carries a Low hazard potential classification.
About Mathisen Lake Dam
The primary purpose of Mathisen 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 Fred Mathisen (private). It impounds the Tr-palo Alto Creek near Blumenthal.
The dam stands 31 feet tall and stretches 1,100 feet across, creates a reservoir covering 7 acres, and has a maximum storage capacity of 115 acre-feet. Completed in 1970, 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 | Gillespie |
| Nearest City | Blumenthal |
| River/Stream | Tr-palo Alto Creek |
| Coordinates | 30.30517, -98.80384 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 31 ft |
| Dam Height | 31 ft |
| Dam Length | 1,100 ft |
| Year Completed | 1970 (56 years old) |
Storage & Hydraulics
| NID Storage | 115 acre-ft |
| Max Storage | 115 acre-ft |
| Normal Storage | 57 acre-ft |
| Surface Area | 7 acres |
| Spillway Type | None |
Ownership & Safety
| Purpose | Water Supply |
| Owner | FRED MATHISEN |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX05044 |
| Federal ID | TX05044 |
| More Info | State Dam Safety Program |