P H Tischhauser Lake Dam

P H Tischhauser Lake Dam is an earth dam located in Nacogdoches County, Texas, built in 1956. It carries a High hazard potential classification and has a poor condition assessment.

About P H Tischhauser Lake Dam

The primary purpose of P H Tischhauser 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 Deborah Tabb (private). It impounds the Tr Of Ysleta Creek.

The dam stands 33 feet tall and stretches 495 feet across, creates a reservoir covering 10 acres, has a maximum storage capacity of 190 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1956, the structure is well into its service life at over 50 years old.

This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Its condition is rated poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. Notably, no emergency action plan is currently on file for this high-hazard dam. The most recent inspection on record was 06/15/2022.

At 33 feet, this dam is taller than 78% of dams nationwide.

Living Downstream

If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Texas dam safety program can provide more specific information about emergency planning for this structure.

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

High HazardPoor ConditionEmergency Action Plan: No

Location

StateTexas
CountyNacogdoches
River/StreamTr Of Ysleta Creek
Coordinates31.61126, -94.69484

Physical Characteristics

Dam TypeEarth
NID Height33 ft
Dam Height33 ft
Dam Length495 ft
Year Completed1956 (70 years old)

Storage & Hydraulics

NID Storage190 acre-ft
Max Storage190 acre-ft
Normal Storage151 acre-ft
Surface Area10 acres
Drainage Area1 sq mi
Max Discharge2 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeWater Supply
OwnerDEBORAH TABB
Owner TypePrivate
Hazard ClassificationHigh
Condition AssessmentPoor
Last Inspection06/15/2022
Emergency Action PlanNo

Identifiers

NID IDTX03866
Federal IDTX03866
More InfoState Dam Safety Program

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