Pond 4 (dam 2b)

Significant Hazard ConditionEmergency Action Plan: Yes

Location

StateWyoming
CountySweetwater
Nearest CityGREEN RIVER
River/StreamSTEVENS DRAW
Coordinates41.73306, -109.66250

Physical Characteristics

Dam TypeEarth
NID Height39 ft
Dam Height27 ft
Dam Length950 ft
Year Completed1992 (34 years old)

Storage & Hydraulics

NID Storage4,612 acre-ft
Normal Storage4,612 acre-ft
Surface Area239 acres
Drainage Area4 sq mi
Max Discharge1,850 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeTailings
OwnerOCI WYOMING, L.P.
Owner TypePrivate
Hazard ClassificationSignificant
Last Inspection06/05/2025
Emergency Action PlanYes

Identifiers

NID IDWY02047
Federal IDWY02047
More InfoState Dam Safety Program

Nearby Dams

Pond 4 (dam 2) 0.2 mi Significant Pond 4 (dam 2a) 0.2 mi Significant No. 3 Tailings 1.2 mi Low Tailings Pond No. 1 1.5 mi Low Upper Delta (north Offset Dam & West Offset Dam) 1.8 mi High Pond 2 (dam A) 1.9 mi Low Sewage Lagoon 9.7 mi Low Fmc Granger Tailings Pond Phases 1e -1j 10.4 mi Low Texas Gulf Tailings (phase 1e & 1f Enl.) 10.9 mi Significant No. 5a 11.0 mi Low