Larsen Dam

Larsen Dam is an earth dam located in Hays County, Texas. It carries a Significant hazard potential classification.

About Larsen Dam

Larsen Dam is a dam in Hays, Texas. The dam is owned by Mike Larsen (private). It impounds the Un Tr-elm Creek.

The dam stands 21 feet tall and stretches 950 feet across, has a maximum storage capacity of 50 acre-feet, and collects water from a drainage area of 25 square miles.

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 08/07/2009. That was over 16 years ago.

Search for dams near your address to see all dams in your area with hazard classifications and safety data.

Data note: Hazard potential describes the consequences if a dam failed; it does not predict the likelihood of failure. Inspection, condition, and emergency-plan fields can be incomplete or delayed. Check state dam-safety officials and local emergency managers for official guidance.
Significant HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateTexas
CountyHays
River/StreamUn Tr-elm Creek
Coordinates30.03120, -97.73040

Physical Characteristics

Dam TypeEarth
NID Height21 ft
Dam Height21 ft
Dam Length950 ft

Storage & Hydraulics

NID Storage50 acre-ft
Max Storage50 acre-ft
Normal Storage13 acre-ft
Drainage Area25 sq mi
Spillway TypeNone

Ownership & Safety

OwnerMIKE LARSEN
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentNot Rated
Last Inspection08/07/2009
Emergency Action PlanNot Required

Identifiers

NID IDTX09582
Federal IDTX09582
More InfoState Dam Safety Program