Mining Incidents

Sumner Wet Plant Metal/Non-Metal

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

Sumner Wet Plant has $22K in proposed MSHA penalties and $0 outstanding across 0 contested dockets, plus health sampling and the full incident record.

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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
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2013
37
inspections on record
878
inspection hours
n/a
citations per 100 inspection hours
This rate is recorded citations divided by MSHA inspection hours, per 100 hours. It reflects inspection effort, not mine size or production.
Rate withheld: 878 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

Sumner Wet Plant has $22K in proposed MSHA penalties and $0 outstanding across 0 contested dockets.

Penalty disposition
Differences between proposed and paid penalties reflect both settlements and conference reductions and amounts still owed. Outstanding is the balance currently owed.
$22K
proposed penalties
$22K
current assessed
$22K
paid to date
$0
outstanding
71 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2025-11-24.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
Quarterly safety rates
Citations per million reported employee-hours. Rates begin in 2000, when MSHA's quarterly employment data starts; earlier incidents are counted but cannot be rate-adjusted. Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.
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
Show 43 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 29,092 1 0 34.4
2023 Q3 30,246 0 0 0.0
2023 Q2 32,204 0 0 0.0
2023 Q1 30,764 1 0 32.5
2022 Q4 30,447 1 0 32.8
2022 Q3 29,932 5 3 167.0
2022 Q2 27,701 2 0 72.2
2022 Q1 35,208 0 0 0.0
2021 Q4 27,313 7 2 256.3
2021 Q3 29,368 0 0 0.0
2021 Q2 29,507 2 1 67.8
2021 Q1 30,616 0 0 0.0
2020 Q4 29,768 3 0 100.8
2020 Q3 31,119 0 0 0.0
2020 Q2 31,044 0 0 0.0
2020 Q1 34,181 0 0 0.0
2019 Q4 34,948 2 0 57.2
2019 Q3 39,171 0 0 0.0
2019 Q2 35,195 5 0 142.1
2019 Q1 25,787 0 0 0.0
2018 Q4 35,173 0 0 0.0
2018 Q3 45,779 0 0 0.0
2018 Q2 46,957 1 1 21.3
2018 Q1 43,745 0 0 0.0
2017 Q4 34,289 2 0 58.3
2017 Q3 36,031 2 2 55.5
2017 Q2 34,973 4 0 114.4
2017 Q1 36,106 3 0 83.1
2016 Q4 34,305 0 0 0.0
2016 Q3 30,817 5 2 162.2
2016 Q2 35,807 7 3 195.5
2016 Q1 32,221 3 1 93.1
2015 Q4 27,931 0 0 0.0
2015 Q3 31,820 0 0 0.0
2015 Q2 32,092 0 0 0.0
2015 Q1 30,525 4 4 131.0
2014 Q4 25,001 1 0 40.0
2014 Q3 26,730 0 0 0.0
2014 Q2 24,845 1 0 40.2
2014 Q1 13,367 0 0 0.0
2013 Q4 14,726 3 0 203.7
2013 Q3 7,842 0 0 0.0
2013 Q2 882 1 0 1133.8
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.

For insurers, brokers, and safety consultants

The full compliance file on Sumner Wet Plant

A dated report covering the 26-year penalty trail, line-item violation pattern, contest and docket posture, rate-normalized peer benchmark, and full fatality history. Delivered as a PDF with the underlying data as CSV.