Smith

Smith is a rockfill dam located in Costilla County, Colorado, built in 1914. It carries a Significant hazard potential classification and has a satisfactory condition assessment.

About Smith

The primary purpose of Smith is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Trinchera Irrigation Co. (tracy Kester) (private). It impounds the Trinchera Creek near Arroya Hondo, Nm.

The dam stands 42 feet tall and stretches 585 feet across, creates a reservoir covering 587 acres, has a maximum storage capacity of 14,058 acre-feet, and collects water from a drainage area of 351 square miles. Completed in 1914, 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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 06/23/2022.

At 42 feet, this dam is taller than 89% of dams nationwide.

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Significant HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateColorado
CountyCostilla
Nearest CityArroya Hondo, Nm
River/StreamTrinchera Creek
Coordinates37.38668, -105.54112

Physical Characteristics

Dam TypeRockfill
NID Height42 ft
Dam Height32 ft
Dam Length585 ft
Year Completed1914 (112 years old)

Storage & Hydraulics

NID Storage14,058 acre-ft
Max Storage14,058 acre-ft
Normal Storage4,050 acre-ft
Surface Area587 acres
Drainage Area351 sq mi
Max Discharge12,200 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeIrrigation
OwnerTRINCHERA IRRIGATION CO. (TRACY KESTER)
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentSatisfactory
Last Inspection06/23/2022
Emergency Action PlanYes

Identifiers

NID IDCO00792
Federal IDCO00792
More InfoState Dam Safety Program

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