Pond 1

Pond 1 is an earth dam located in Sweetwater County, Wyoming, built in 1981. It carries a Low hazard potential classification and has a fair condition assessment.

About Pond 1

The primary purpose of Pond 1 is tailings. Tailings dams contain waste material from mining operations — typically a slurry of finely ground rock left over after valuable minerals have been extracted. These structures require ongoing monitoring because tailings can contain heavy metals and other contaminants. The dam is owned by Solvay Chemicals (private). It impounds the Tenneco Draw near Local Road.

The dam stands 47 feet tall and stretches 14,000 feet across, creates a reservoir covering 0 acres, has a maximum storage capacity of 6,505 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1981, the structure is 45 years old.

This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected 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 07/10/2023.

At 47 feet, this dam is taller than 92% of dams nationwide.

Search for dams near your address to see all dams in your area with hazard classifications and safety data.

Low HazardFair ConditionEmergency Action Plan: Not Required

Location

StateWyoming
CountySweetwater
Nearest CityLocal Road
River/StreamTenneco Draw
Coordinates41.47667, -109.78528

Physical Characteristics

Dam TypeEarth
NID Height47 ft
Dam Height47 ft
Dam Length14,000 ft
Year Completed1981 (45 years old)

Storage & Hydraulics

NID Storage6,505 acre-ft
Max Storage6,505 acre-ft
Normal Storage5,142 acre-ft
Surface Area0 acres
Drainage Area0 sq mi
Spillway TypeNone

Ownership & Safety

PurposeTailings
OwnerSOLVAY CHEMICALS
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentFair
Last Inspection07/10/2023
Emergency Action PlanNot Required

Identifiers

NID IDWY01908
Federal IDWY01908
More InfoState Dam Safety Program

Nearby Dams