Todacheene is an earth dam located in San Juan County, New Mexico, built in 1966. It carries a High hazard potential classification and has a poor condition assessment.

Hazard potentialHighFailure would probably cost lives
ConditionPoor3rd of 4 · remedial action needed
Emergency action planOn file
Last inspection09/19/2023
Height23 ft
Built196660 years ago

Dam profile

NID height · 23 ft
23 FT TWO-STORY HOUSEMEDIAN U.S. DAM · 24 FT

23 ft tall and 360 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.

About Todacheene

The primary purpose of Todacheene is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Bia (federal). It impounds the Crystal Creek -tr near Crystal.

The dam stands 23 feet tall and stretches 360 feet across, creates a reservoir covering 18 acres, has a maximum storage capacity of 22 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1966, 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. An emergency action plan is in place for this dam. The most recent inspection on record was 09/19/2023.

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 New Mexico 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.

Location

StateNew Mexico
CountySan Juan
Nearest CityCrystal
River/StreamCrystal Creek -tr
Coordinates36.09490, -108.88424

Physical Characteristics

Dam TypeEarth
NID Height23 ft
Dam Height23 ft
Dam Length360 ft
Year Completed1966 (60 years old)

Storage & Hydraulics

NID Storage124 acre-ft
Max Storage22 acre-ft
Normal Storage124 acre-ft
Surface Area18 acres
Drainage Area0 sq mi
Max Discharge3,200 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerBia
Owner TypeFederal
Hazard ClassificationHigh
Condition AssessmentPoor
Last Inspection09/19/2023
Emergency Action PlanYes

Identifiers

NID IDNM00688
Federal IDNM00688
More InfoState Dam Safety Program