Cummings Dam is an other dam located in Hays County, Texas, built in 1905. It carries a Significant hazard potential classification.
Dam profile
NID height · 10 ft10 ft tall and 250 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 Cummings Dam
The primary purpose of Cummings Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Pecan Farms and Cattle Co (private). It impounds the San Marcos River.
The dam stands 10 feet tall and stretches 250 feet across, creates a reservoir covering 50 acres, and has a maximum storage capacity of 300 acre-feet. Completed in 1905, the structure is over a century old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. The most recent inspection on record was 07/17/2008. That was over 18 years ago.
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Location
| State | Texas |
| County | Hays |
| River/Stream | San Marcos River |
| Coordinates | 29.85613, -97.90591 |
Physical Characteristics
| Dam Type | Other |
| NID Height | 10 ft |
| Dam Height | 10 ft |
| Dam Length | 250 ft |
| Year Completed | 1905 (121 years old) |
Storage & Hydraulics
| NID Storage | 300 acre-ft |
| Max Storage | 300 acre-ft |
| Normal Storage | 194 acre-ft |
| Surface Area | 50 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Pecan Farms and Cattle Co |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 07/17/2008 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX06991 |
| Federal ID | TX06991 |
| More Info | State Dam Safety Program |