Mining Incidents

Sweetwater Uranium Project: 7 reportable incidents Metal/Non-Metal

Controlled by Unocal Corp
Sweetwater County, WY  ·  Abandoned
MSHA Mine ID: 4801181

MSHA record for Sweetwater Uranium Project (mine ID 4801181). Fatalities, non-fatal incidents grouped by year, current operator and controller, and mine context.

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Fatalities
0
Total incidents
7
Years on record
1983–1989
Latest incident
Aug 1989
Ownership history
  1. Minerals Exploration Company 1978 to present
Source: MSHA controller and operator history, updated weekly.

Sweetwater Uranium Project sits in Sweetwater County, Wyoming, where the Census mining category is 13.3% of county employment.

Local economic context
County figures come from the US Census Bureau's American Community Survey, 5-year pooled estimates, so the 2023 vintage covers 2019 through 2023. The Census category is 'mining, quarrying, and oil and gas extraction', which is broader than MSHA jurisdiction and includes oil and gas workers no mine employs. These figures describe the surrounding county, not this mine, and are not a factor in any specific incident.
Sweetwater County, Wyoming · Population 41,786
13.3%
Mining share of county employment
$76,464
Median household income
Source: US Census Bureau, American Community Survey 2023 5-year estimates.
No fatalities recorded at this mine.

Reportable incidents

7 on file

1989 · 1 incident

August 30, 1989 WY · Metal/Non-Metal outside foreman, leadman MACHINERY
Minerals Exploration Company · Caught in, under or between a moving and a stationary object

PREPARING TO LIFT MOVE 24 FT TRAILER, WITH OVERHEAD CRANE FRONT END SWUNG SIDEWAYS STRIKING PINNING EMP AGAINST CELL BARGE. TAKEN TO ER. DR DETERM INTERNAL BLEEDING CAUSED BY LACERATED LIVER.

1984 · 1 incident

February 22, 1984 WY · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech EXPLODING VESSELS UNDER PRESSURE
Minerals Exploration Company · Struck by flying object

WHEN APPLYING AIR PRESSURE TO THE WABCO WATER TRUCK #2701 TO START IT, FULL AIR PRESSURE (130 PSI) ENTERED THE HYDRAULIC TANK THROUGH A PRESET AIR PRESSURE REGULATOR VALVE CAUSING HYDRAULIC TA NK TO EXPLODE WHILE ELDEN WAS WALKING TO THE SIDE OF IT. HYDRAULIC OIL AND METAL/PAINT FRAGMENTS WENT TO HIS FACE AND UNDER HIS SAFETY GLASSES, SCRATCHING LENS OF RIGHT EYE.

1983 · 5 incidents

May 5, 1983 WY · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator STEPPING OR KNEELING ON OBJECT
Minerals Exploration Company · Struck against stationary object

EMPLOYEE WAS PICKING UP TOOLS WHEN HE STEPPED ON SMALL OBJECT AND TWISTED ANKLE NOTICED SMALL AMOUNT OF PAIN AT TIME BUT DID NOT FEEL IT WAS SERIOUS SWELLED UP WITH QUITE A BIT OF PAIN THE NEX T MORNING CHIPPED BONE ON LEFT ANKLE IN CAST

May 4, 1983 WY · Metal/Non-Metal superintendent HANDLING OF MATERIALS
Minerals Exploration Company · Over-exertion in lifting objects

EMPLOYEE HELPING TO LIFT TRASH CAN INTO BACK OF PICKUP HIS BACK POPPED AND WAS PAINFUL FROM HIS LOWER BACK DOWN INTO HIS LEGS

March 14, 1983 WY · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Minerals Exploration Company · Over-exertion (Not Elsewhere Classified)

TRYING TO TURN SWIVEL ON FRONT SHOVEL USING PRY BAR,USED TOO MUCH STRAIN- SORE BELLY LEFT SIDE AND PAIN IN LEFT TESTICLE.

January 12, 1983 WY · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Minerals Exploration Company · Struck by flying object

WHILE DRIVING A PIN INTO THE CENTER OF AN IDLER WITH A HAMMER A PIECE BROKE OFF OF THE PIN AND HIT HIM IN THE BACK SIDE OF THE RIGHT HAND RESULTING IN 8 STITCHES

January 6, 1983 WY · Metal/Non-Metal belt foreman, maintenance foreman, maintenance supervisor HANDLING OF MATERIALS
Minerals Exploration Company · Struck by flying object

WHILE WASHING OUT PIPE WITH A WATER HOSE THE HOSE BLEW OUT OF THE PIPE HITTING HIM IN THE MOUTH BREAKING TWO RIGHT TOP TEETH AND CUTTING HIS LIP RESULTING IN 4 STITCHES