Petersen Site 1 Lake is an earth dam located in Gillespie County, Texas, built in 1963. It carries a Low hazard potential classification.
Dam profile
NID height · 28 ft28 ft tall and 360 ft long, taller than 62% 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 Petersen Site 1 Lake
The primary purpose of Petersen Site 1 Lake is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Daniel Petersen (private). It impounds the Riley Creek.
The dam stands 28 feet tall and stretches 360 feet across, and has a maximum storage capacity of 75 acre-feet. Completed in 1963, 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 06/23/1976. That was over 50 years ago.
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Location
| State | Texas |
| County | Gillespie |
| River/Stream | Riley Creek |
| Coordinates | 30.40510, -98.80357 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 28 ft |
| Dam Height | 28 ft |
| Dam Length | 360 ft |
| Year Completed | 1963 (63 years old) |
Storage & Hydraulics
| NID Storage | 75 acre-ft |
| Max Storage | 75 acre-ft |
| Normal Storage | 55 acre-ft |
| Spillway Type | None |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Daniel Petersen |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 06/23/1976 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX02550 |
| Federal ID | TX02550 |
| More Info | State Dam Safety Program |