T.e.c.

T.e.c. is an earth dam located in Natrona County, Wyoming, built in 1910. It carries a Significant hazard potential classification and has a fair condition assessment.

About T.e.c.

The primary purpose of T.e.c. is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by Dem Ranch Limited Partnership (private). It impounds the Trail Draw near Arvada.

The dam stands 48 feet tall and stretches 1,076 feet across, creates a reservoir covering 28 acres, and has a maximum storage capacity of 344 acre-feet. Completed in 1910, 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. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 05/01/2023.

At 48 feet, this dam is taller than 92% of dams nationwide.

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Significant HazardFair ConditionEmergency Action Plan: Not Required

Location

StateWyoming
CountyNatrona
Nearest CityArvada
River/StreamTrail Draw
Coordinates43.05028, -107.00528

Physical Characteristics

Dam TypeEarth
NID Height48 ft
Dam Height48 ft
Dam Length1,076 ft
Year Completed1910 (116 years old)

Storage & Hydraulics

NID Storage344 acre-ft
Max Storage344 acre-ft
Normal Storage294 acre-ft
Surface Area28 acres
Spillway TypeUncontrolled

Ownership & Safety

PurposeFire Protection, Stock, Or Small Fish Pond
OwnerDEM RANCH LIMITED PARTNERSHIP
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentFair
Last Inspection05/01/2023
Emergency Action PlanNot Required

Identifiers

NID IDWY00957
Federal IDWY00957
More InfoState Dam Safety Program

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