Cummings Dam

Cummings Dam is an other dam located in Hays County, Texas, built in 1905. It carries a Significant hazard potential classification.

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 17 years ago.

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Significant HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateTexas
CountyHays
River/StreamSan Marcos River
Coordinates29.85613, -97.90591

Physical Characteristics

Dam TypeOther
NID Height10 ft
Dam Height10 ft
Dam Length250 ft
Year Completed1905 (121 years old)

Storage & Hydraulics

NID Storage300 acre-ft
Max Storage300 acre-ft
Normal Storage194 acre-ft
Surface Area50 acres
Spillway TypeUncontrolled

Ownership & Safety

PurposeIrrigation
OwnerPECAN FARMS AND CATTLE CO
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentNot Rated
Last Inspection07/17/2008
Emergency Action PlanNot Required

Identifiers

NID IDTX06991
Federal IDTX06991
More InfoState Dam Safety Program

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