Pond 3

Pond 3 is an earth dam located in San Joaquin County, California. It carries a High hazard potential classification.

About Pond 3

Pond 3 is a dam in San Joaquin, California. The dam is owned by Knife River (private).

The dam stands 80 feet tall and stretches 900 feet across, and has a maximum storage capacity of 2,168 acre-feet.

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. Notably, no emergency action plan is currently on file for this high-hazard dam.

At 80 feet, this dam is taller than 97% of all dams in the United States.

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 California 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 HazardNot Available ConditionEmergency Action Plan: No

Location

StateCalifornia
CountySan Joaquin
Nearest CityVernalis
Coordinates37.61222, -121.32889

Physical Characteristics

Dam TypeEarth
NID Height80 ft
Dam Height80 ft
Dam Length900 ft

Storage & Hydraulics

NID Storage2,168 acre-ft
Max Storage2,168 acre-ft

Ownership & Safety

PurposeOther
OwnerKnife River
Owner TypePrivate
Hazard ClassificationHigh
Condition AssessmentNot Available
Emergency Action PlanNo

Identifiers

NID IDCA01578
Federal IDCA01578
More InfoState Dam Safety Program

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