Mining Incidents

Sumner Wet Plant Metal/Non-Metal

cameron, Barron County, WI  ·  Active
MSHA Mine ID: 4703686

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Fatalities
0
Total incidents
18
Years on record
2013–2026
Latest incident
Feb 2026
Compliance record
MSHA citations since 2013
71
citations
20
significant & substantial
$22,278
proposed penalties
$22,278
paid to date
Source: MSHA violations data, updated weekly.
Quarterly safety rates
Citations per million employee-hours, as reported to MSHA
Quarter Hours worked Citations S&S Per 1M hrs
2025 Q4 28,894 2 1 69.2
2025 Q3 27,597 0 0 0.0
2025 Q2 28,865 0 0 0.0
2025 Q1 29,780 1 0 33.6
2024 Q4 30,566 0 0 0.0
2024 Q3 30,071 0 0 0.0
2024 Q2 28,981 2 0 69.0
2024 Q1 29,820 0 0 0.0
Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.
No fatalities recorded at this mine.

Reportable incidents

18 on file

2026 · 1 incident

February 20, 2026 WI · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Source Energy Services Proppants LP · Caught in, under or between a moving and a stationary object

Maintenance Employee got their right index finger caught between a roller they were attempting to put in position and the drive gear for the roller.

2018 · 2 incidents

September 20, 2018 WI · Metal/Non-Metal utility man, shift tech, service/dump truck operator SLIP OR FALL OF PERSON
Source Energy Services Proppants LP · Fall to the walkway or working surface

Miner was walking through the plant - Reached to open door into the floc room - left leg slipped from underneath EE causing EE to land on the right patella (knee).

April 17, 2018 WI · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech FALLING/SLIDING/ROLLING MATERIALS
Source Energy Services Proppants LP · Struck by falling object

We were contracted to change tires on a 844 John Deere loader. In the process of jacking the equipment up - the blocking and jack failed causing the loader to shift downward and the employee was struck by the loader frame.

2017 · 1 incident

September 29, 2017 WI · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON

Miner was coming down a flight of stairs - quickly and skipping steps. Miner caught foot on the bottom last couple steps and fell hitting miner's head.

2016 · 4 incidents

September 5, 2016 WI · Metal/Non-Metal utility man, shift tech, service/dump truck operator HANDLING OF MATERIALS
Source Energy Services Proppants LP · Over-exertion in lifting objects

Employee was shoveling sand onto a conveyor belt. Employee was cleaning underneath the conveyor. As ee was lifting the sand to put on the conveyor ee felt left shoulder pop. This causing pain in shoulder.

July 28, 2016 WI · Metal/Non-Metal belt foreman, maintenance foreman, maintenance supervisor HANDTOOLS (NONPOWERED)
Source Energy Services Proppants LP · Struck by falling object

Miner was replacing a valve that was worn out using an adjustable wrench. Miner had 4 bolts to remove - upon EE's last bolt to remove the valve dropped causing a laceration on EE's left forearm.

June 9, 2016 WI · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Source Energy Services Proppants LP · Struck by... (Not Elsewhere Classified)

While changing bucket teeth a metal fragment struck Miner's arm.

January 29, 2016 WI · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Source Energy Services Proppants LP · Caught in, under or between a moving and a stationary object

While wheeling a 5" roller into place for as a replacement part for a belt press the roller came off the cart causing the individuals finger to be caught between the roller and floor grating. The individual suffered a break in the middle finger.

2015 · 6 incidents

November 17, 2015 WI · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer POWERED HAULAGE
Source Energy Services Proppants LP · Struck against a moving object

While operating a haul truck the individuals tires slipped into a rut causing his head and neck to have a whiplash type effect.

November 12, 2015 WI · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
Source Energy Services Proppants LP · Over-exertion (Not Elsewhere Classified)

While setting up water pumps in the mine the individual stepped on unleveled ground casing the individual to twist his knee.

October 10, 2015 WI · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDLING OF MATERIALS
Source Energy Services Proppants LP · Over-exertion in lifting objects

The individual was clearing material from the scalping tower location. While doing this clearing the individual attempted to pick up a large rock to remove it from the area, while lifting this rock it caused the individual back pain.

May 27, 2015 WI · Metal/Non-Metal quality control technician, laboratory technician, laboratory assistant OTHER
Source Energy Services Proppants LP · Absorption of radiations, caustics, toxic and noxious substances

While reaching for the door handle on the quality control lab the individual received a bee sting on his left hand.

April 13, 2015 WI · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech POWERED HAULAGE
Source Energy Services Proppants LP · Caught in, under or between running or meshing objects

The employee was in an Aerial Lift working to clear a troughing roller utilizing a hammer. The equipment was not locked out at the time of incident causing the hammer to be drawn into the troughing roller also drawing the employee's hand in between the belt and roller. The employee received a hand contusion as a result of the incident.

February 5, 2015 WI · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
Source Energy Services Proppants LP · Over-exertion (Not Elsewhere Classified)

The individual was carrying a 5 gallon fuel can to refill a heater located in the second level of the scalping tower. This individual reports slipping on ice while accessing the tower to refuel the heaters.

2014 · 3 incidents

July 3, 2014 WI · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Source Energy Services Proppants LP · Struck by... (Not Elsewhere Classified)

While working in a Scissor Lift cutting a threaded rod with a reciprocating saw, the saw blade caught causing the saw to kick back impacting the operator's face/upper lip region causing a cut/laceration.

June 4, 2014 WI · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver HANDLING OF MATERIALS
Source Energy Services Proppants LP · Caught in, under or between a moving and a stationary object

Driver was adjusting tailgate chain and box was slightly raised, chain moved pinching his two fingers.

May 26, 2014 WI · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman POWERED HAULAGE
Source Energy Services Proppants LP · Struck by... (Not Elsewhere Classified)

This individual was cleaning out next to a conveyer when a rock struck him in the back of the neck causing some pain in the shoulder along with numbness in the right arm.

2013 · 1 incident

August 8, 2013 WI · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech OTHER
Canadian Sand And Proppants L.P. · Bodily reaction, (Not Elsewhere Classified)

This individual was walking under a out of service conveyer and ducked to avoid contact with the conveyer the individual used poor body mechanics resulted in a twisting motion causing a minor back strain. This did not cause damage to the mining operation.