Lower Pond / Pond 1

Lower Pond / Pond 1 is an earth dam located in Sacramento County, California. It carries a High hazard potential classification.

Hazard potentialHighFailure would probably cost lives
ConditionNot assessed
Emergency action planNone on file
Last inspectionNot reported
Height40 ft

Dam profile

NID height · 40 ft
40 FT TWO-STORY HOUSEMEDIAN U.S. DAM · 24 FT

40 ft tall and 800 ft long, taller than 86% of U.S. dams with a recorded height. 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 Lower Pond / Pond 1

The primary purpose of Lower Pond / Pond 1 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 Granite Construction (private).

The dam stands 40 feet tall and stretches 800 feet across, and has a maximum storage capacity of 400 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 40 feet, this dam is taller than 86% 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 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.

Location

StateCalifornia
CountySacramento
Nearest CitySacramento
Coordinates38.54722, -121.32583

Physical Characteristics

Dam TypeEarth
NID Height40 ft
Dam Height40 ft
Dam Length800 ft

Storage & Hydraulics

NID Storage400 acre-ft
Max Storage400 acre-ft

Ownership & Safety

PurposeWater Supply
OwnerGranite Construction
Owner TypePrivate
Hazard ClassificationHigh
Condition AssessmentNot assessed
Emergency Action PlanNo

Identifiers

NID IDCA01572
Federal IDCA01572
More InfoState Dam Safety Program