Data / Mines / Wisconsin

Mines in Wisconsin: 641 open mines and MSHA citations

Name: Mines in Wisconsin
Creator: SpecStream
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MSHA lists 641 open mines in Wisconsin, run by 240 operators and employing 3,049 people. Since January 1, 2022 its inspectors issued 4,563 citations and orders there with $1,536,140 in proposed penalties, and operators reported 391 injury or illness cases, 3 of them fatal. The operators with the most open mines are River City Stone Division Of Mathy Construction Co; Michels Road & Stone, Inc.; Yahara Materials Inc. Data from MSHA, November 6, 2026.

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Open mines: 641
Operators: 240
Employees: 3,049
Intermittent: 475
Active: 132
Temporarily Idled: 33
New Mine: 1
Mines run by individuals, counted and not listed: 23
Citations and orders since January 1, 2022: 4,563
Significant and substantial: 619 (13.6%)
Closure orders: 49
High negligence or reckless: 345
Proposed penalties: $1,536,140
Amount paid so far: $1,233,334
Inspections: 4,204
Inspector hours on site: 25,223
Citations per inspection: 1.09 (all mines 2.30)
Accident reports: 400
Injury and illness cases: 391
Fatalities: 3
Latest MSHA record: November 5, 2026

Operators with the most open mines in Wisconsin

Ranked by open mines, then by citations. Sole proprietors and individuals are not listed.

Operator	Open mines	Employees	Citations since 2022	Proposed penalties	Injury cases
River City Stone Division Of Mathy Construction Co	63	168	88	$14,645	41
Michels Road & Stone, Inc.	28	80	92	$15,843	13
Yahara Materials Inc	14	54	66	$10,254	0
Haas Sons Inc	14	37	37	$5,595	1
Payne & Dolan Inc	13	85	135	$23,882	28
J. Jadin Inc	12	24	36	$4,759	0
Northeast Asphalt Inc	12	31	23	$4,696	8
Peters Concrete Company	10	20	105	$30,443	0
MCC, Inc.	10	30	36	$5,919	11
Halquist Stone Company Inc	9	94	57	$8,992	22
Pitlik & Wick, Inc.	9	16	24	$3,744	1
Badgerland Aggregates, LLC	8	18	29	$4,687	1
Gerke Excavating Inc	8	20	21	$3,147	1
Lannon Stone Products Inc	7	62	129	$21,151	33
Faulks Bros. Construction	7	18	50	$7,890	3
Tri-County Paving, Inc.	7	19	48	$6,739	7
Johnson Sand & Gravel Inc	7	17	26	$3,768	4
County Materials Corp	7	25	14	$2,004	2
Todd's Redi Mix Concrete, LLC	7	12	1	$147	0
Eden Stone Co., LLC	6	105	105	$188,695	13
R G Huston Company, Inc.	6	13	17	$2,286	0
Angelo Luppino, Inc.	6	13	15	$2,301	0
Vinton Construction Company	6	2	1	$151	0
Buechel Stone Corp	5	210	77	$20,262	21
Prairie Sand and Gravel, Inc.	5	14	62	$9,119	0
Southern Wisconsin Aggregate Corporation	5	11	48	$8,895	0
Carew Concrete & Supply Company Inc	5	11	44	$8,124	0
Linck Aggregates, Inc.	5	11	33	$13,795	3
Meverden Materials Inc.	5	9	24	$3,763	0
County Ready Mix Corp	5	8	21	$4,193	2
Mitch King & Sons Gravel & Trucking Inc	5	9	20	$2,946	1
James Peterson Sons Inc	5	13	10	$1,414	0
TV Materials Inc.	4	8	36	$8,106	0
Bjoin Limestone Inc	4	12	21	$4,367	2
Hopkins Sand & Gravel Inc	4	7	17	$4,155	1
Dennis Ovyn Trucking Inc	4	9	12	$2,419	0
Northwestern Stone LLC	4	9	12	$1,633	1
Roger Hanson Sanitation & Excavating, Inc.	4	5	12	$1,760	0
Ucs LLC	4	9	11	$1,818	0
Oakfield Stone Company, Inc.	3	28	93	$44,978	1
Source Energy Services Proppants, LP	3	56	62	$15,783	5
Genesee Aggregate Corp.	3	8	43	$6,249	2
McKeefry & Sons Inc	3	15	43	$7,476	0
Super Aggregates	3	9	39	$6,099	0
Daanen & Janssen, Inc.	3	7	33	$83,152	3
Arlan Pope Construction,Inc.	3	8	23	$5,258	0
Koenig's Sand & Stone LLC	3	4	22	$3,124	0
J&J Baumhardt Aggregates	3	4	21	$3,669	0
Wingra Stone Company	3	7	18	$2,886	0
Ivey Construction Inc	3	6	17	$3,942	0
Kopplin & Kinas Company Inc	3	6	16	$2,380	0
Francis Melvin, Inc.	3	6	15	$2,446	0
Evenson Construction Company Inc	3	7	14	$1,816	0
Musson Brothers Inc	3	5	14	$1,986	0
Earth Inc	3	7	13	$1,861	0
Hartmann Sand & Gravel Company Inc	3	8	12	$1,967	0
Kartechner Brothers, LLC.	3	9	10	$1,498	0
Lycon Inc	3	8	10	$1,503	2
Peninsula Stone, Inc.	3	6	9	$1,317	0
Scott Construction Inc	3	7	8	$1,023	0
Door County Highway Department	3	6	2	$286	0
3M Company	2	175	115	$66,347	27
Graymont Western Lime Inc.	2	69	90	$31,204	16
R & R Wash Materials Inc	2	5	51	$11,863	1
Covia Solutions LLC	2	44	46	$13,652	6
Cretex Materials Inc	2	8	43	$8,266	0
Kafka Granite LLC	2	8	32	$5,759	0
Badger Mining Corporation	2	71	27	$6,058	15
J & E Construction Company Inc	2	4	27	$5,500	0
Gillett Cement Products	2	4	26	$3,778	0
Mountain Stone Works LLC	2	9	21	$3,428	0
Merrill Gravel & Construction Company	2	6	19	$3,100	0
Krukowski Stone Company Inc	2	8	17	$2,743	0
Slobodnik Gravel and Excavating, LLC	2	4	17	$2,000	0
Ridge Stone Products Inc	2	3	15	$1,468	0
Quality Aggregate	2	6	14	$2,062	0
Stelter Inc.	2	4	14	$1,998	0
Hard Rock Crushing LLC	2	6	12	$1,736	0
J & N Stone LLC	2	3	12	$1,583	0
Kafka Road Materials LLC	2	7	12	$2,292	1
Zillges Materials, Inc.	2	2	11	$2,045	0
Golat & Engel Custom Gravel Crushing Inc.	2	5	10	$1,168	0
Morgan Sand & Gravel LLC	2	4	10	$2,668	0
Rule Construction Ltd	2	5	10	$1,414	0
Barron County Highway Department	2	7	9	$1,337	0
R.C. Pavers, LLC	2	6	9	$1,331	0
Shawano County Highway Department	2	6	9	$1,307	0
Jaw Sand and Gravel LLC	2	10	8	$1,954	0
Bindl Bauer Limestone of Spring Green Inc	2	4	7	$1,031	0
Worden Enterprises, LLC.	2	5	7	$1,033	0
Dyersville Ready Mix Inc	2	6	6	$1,105	0
North Central Aggregates	2	4	6	$906	0
Four Man Chess, LLC	2	4	4	$586	0
John J Schoone Construction Inc	2	23	2	$294	0
Theys Trucking & Excavating Inc	2	4	2	$294	0
Trusty Trucking, Inc.	2	4	2	$295	0
Pga Inc.	2	2	1	$147	0
Croell, Inc.	2	5	0	$0	1
Pierce County Highway Dept.	2	5	0	$0	0
Specialty Granules LLC	1	118	172	$70,053	6

Operators with the most citations in Wisconsin

Citations and orders issued since January 1, 2022 at their open mines here.

Operator	Open mines	Employees	Citations since 2022	Proposed penalties	Injury cases
Specialty Granules LLC	1	118	172	$70,053	6
Payne & Dolan Inc	13	85	135	$23,882	28
Lannon Stone Products Inc	7	62	129	$21,151	33
3M Company	2	175	115	$66,347	27
Peters Concrete Company	10	20	105	$30,443	0
Eden Stone Co., LLC	6	105	105	$188,695	13
Oakfield Stone Company, Inc.	3	28	93	$44,978	1
Michels Road & Stone, Inc.	28	80	92	$15,843	13
Graymont Western Lime Inc.	2	69	90	$31,204	16
River City Stone Division Of Mathy Construction Co	63	168	88	$14,645	41
Carmeuse Lime & Stone Inc	1	26	83	$29,231	5
Buechel Stone Corp	5	210	77	$20,262	21
Graymont (WI) LLC	1	41	73	$17,152	4
Yahara Materials Inc	14	54	66	$10,254	0
Prairie Sand and Gravel, Inc.	5	14	62	$9,119	0
Source Energy Services Proppants, LP	3	56	62	$15,783	5
Halquist Stone Company Inc	9	94	57	$8,992	22
Iron Oak Sand LLC	1	12	55	$23,216	18
R & R Wash Materials Inc	2	5	51	$11,863	1
Faulks Bros. Construction	7	18	50	$7,890	3
Tri-County Paving, Inc.	7	19	48	$6,739	7
Southern Wisconsin Aggregate Corporation	5	11	48	$8,895	0
Covia Solutions LLC	2	44	46	$13,652	6
Sand Products, WI, LLC	1	28	45	$8,432	3
Carew Concrete & Supply Company Inc	5	11	44	$8,124	0
Genesee Aggregate Corp.	3	8	43	$6,249	2
McKeefry & Sons Inc	3	15	43	$7,476	0
Cretex Materials Inc	2	8	43	$8,266	0
Super Aggregates	3	9	39	$6,099	0
Mayville Limestone Inc	1	13	38	$11,173	3

Mines with the most citations

Open mines, ranked by citations and orders since January 1, 2022.

Mine	Operator	County	Main commodity	Employees	Citations since 2022
Kremlin Plant	Specialty Granules LLC	Marinette County, WI	Crushed, broken traprock	118	172
Manitowoc Plant	Carmeuse Lime & Stone Inc	Manitowoc County, WI	Lime	26	83
Fond Du Lac	Oakfield Stone Company, Inc.	Fond Du Lac County, WI	Dimension limestone	24	80
Eden Facility	Eden Stone Co., LLC	Fond Du Lac County, WI	Dimension limestone	79	77
Graymont Superior Lime Plant	Graymont (WI) LLC	Douglas County, WI	Lime	41	73
3M, Greystone Plant	3M Company	Marathon County, WI	Crushed, broken granite	61	70
Chilton Quarry	Buechel Stone Corp	Calumet County, WI	Dimension limestone	125	56
Tunnel City	Iron Oak Sand LLC	Monroe County, WI	Construction sand and gravel	12	55
3M, Downtown Plant	3M Company	Marathon County, WI	Crushed, broken granite	114	45
Eden Quarry & Mill	Graymont Western Lime Inc.	Fond Du Lac County, WI	Lime	42	45
Highway 53	Sand Products, WI, LLC	Trempealeau County, WI	Sand, common	28	45
Green Bay Lime Kiln	Graymont Western Lime Inc.	Brown County, WI	Lime	27	45
Sussex Quarry	Lannon Stone Products Inc	Waukesha County, WI	Crushed, broken limestone	20	40
Mayville Limestone, Inc.	Mayville Limestone Inc	Dodge County, WI	Crushed, broken limestone	13	38
Blair East	Source Energy Services Proppants, LP	Trempealeau County, WI	Sand, industrial	3	38
Portage Plant	Covia Solutions LLC	Columbia County, WI	Sand, industrial	35	37
Fond Du Lac Stone, Inc.	Fond Du Lac Stone Inc	Fond Du Lac County, WI	Dimension limestone	34	37
Monacelli Stone Company Inc	Monacelli Stone Company Inc	Waukesha County, WI	Crushed, broken limestone	5	37
County Road B Quarry	Rademann Stone & Landscape Company, Inc.	Fond Du Lac County, WI	Dimension stone	52	36
West Quarry	Lannon Stone Products Inc	Waukesha County, WI	Crushed, broken limestone	17	35
Waukesha Lime & Stone	Payne & Dolan Inc	Waukesha County, WI	Crushed, broken limestone	25	34
Murray Enterprises Inc.	Murray Enterprises Inc.	Door County, WI	Construction sand and gravel	5	32
Smart Sand, Inc.	Smart Sand, Inc	Monroe County, WI	Sand, industrial	50	31
Portable Plant #2	R & R Wash Materials Inc	Fond Du Lac County, WI	Construction sand and gravel	2	31
Plant #1	Bay Area Crushing, LLC.	Brown County, WI	Construction sand and gravel	2	31
PC2 Franklin Aggregates	Payne & Dolan Inc	Milwaukee County, WI	Crushed, broken limestone	14	30
Norway Grove Gravel Plant	Madison Sand & Gravel Company Inc	Dane County, WI	Construction sand and gravel	12	28
Main Pit	Cretex Materials Inc	Racine County, WI	Construction sand and gravel	4	28
GLC Minerals, LLC.	Great Lakes Calcium Corp.	Brown County, WI	Lime	48	27
Dresser Trap Rock Incorporated	Dresser Trap Rock Inc.	Polk County, WI	Crushed, broken traprock	12	27
Ridgeview	Kafka Granite LLC	Marathon County, WI	Crushed, broken granite	6	27
Badger Mining Hixton	Badger Mining Hixton, LLC	Jackson County, WI	Sand, industrial	30	26
All Excavating LLC	All Excavating LLC	St Croix County, WI	Construction sand and gravel	2	26
Cloverleaf Quarry	Greystone Mining, LLC	Door County, WI	Dimension limestone	1	26
Nordberg	Southern Wisconsin Aggregate Corporation	Rock County, WI	Crushed, broken limestone	4	25
Go Green Recycling Pit	Go Green Recycling, LLC.	Waupaca County, WI	Construction sand and gravel	4	25
Capitol Sand	Payne & Dolan Inc	Dane County, WI	Construction sand and gravel	11	24
Cedar Lake Sand & Gravel	Cedar Lake Sand & Gravel Co. Inc.	Washington County, WI	Construction sand and gravel	10	24
Manitowoc County Quarries	Valders Stone & Marble, LLC	Manitowoc County, WI	Dimension limestone	9	24
Amrize Colgate Pit Yard 1	Amrize Mid-America Inc.	Waukesha County, WI	Construction sand and gravel	4	24
HC Wyeville Mine	HC Wyeville Operating LLC	Monroe County, WI	Sand, industrial	30	23
Wissota Sand & Gravel, Rugby Pit	Wissota Sand & Gravel Company	Washington County, WI	Construction sand and gravel	17	23
Lippmann #256	Daanen & Janssen, Inc.	Brown County, WI	Crushed, broken limestone	3	23
McKeefry & Sons, Inc., Pit 3	McKeefry & Sons Inc	Brown County, WI	Crushed, broken limestone	3	23
Nordberg HP-400	J & E Construction Company Inc	Calumet County, WI	Crushed, broken limestone	3	23
Hillside Aggregates	TV Materials Inc.	Racine County, WI	Sand, industrial	2	23
H, Pit	Marawood Construction Services, Inc.	Wood County, WI	Construction sand and gravel	4	22
Mountain Stone Works LLC	Mountain Stone Works LLC	Oconto County, WI	Construction sand and gravel	7	21
Portable Crusher #2	Peters Concrete Company	Brown County, WI	Crushed, broken limestone	3	21
Portable Crushing Plant	Carew Concrete & Supply Company Inc	Outagamie County, WI	Crushed, broken limestone	3	21
Superior Wash Plant #1	Peters Concrete Company	Brown County, WI	Construction sand and gravel	4	20
Portable Plant #1	R & R Wash Materials Inc	Fond Du Lac County, WI	Construction sand and gravel	3	20
Countryside Woods	Whitewater Limestone Inc	Walworth County, WI	Construction sand and gravel	2	20
Masaba Washplant	Prairie Sand and Gravel, Inc.	Crawford County, WI	Sand, common	2	20
Lisbon Pit	Lannon Stone Products Inc	Waukesha County, WI	Construction sand and gravel	6	19
Schelle Pit	West Bend Sand & Stone, Inc.	Washington County, WI	Construction sand and gravel	10	18
Portable Plant No. 1	Merrill Gravel & Construction Company	Lincoln County, WI	Construction sand and gravel	4	18
Crusher No 1	Paul Bugar Trucking Inc.	Marathon County, WI	Construction sand and gravel	4	18
Genesee Pit & Mill	Genesee Aggregate Corp.	Waukesha County, WI	Construction sand and gravel	3	18
Washing Plant	L. J. Sperberg Construction, Inc.	Shawano County, WI	Construction sand and gravel	2	18
Sugar Creek	Super Aggregates	Walworth County, WI	Sand, common	2	18
McKeefry & Sons, Chase Pit	McKeefry & Sons Inc	Oconto County, WI	Construction sand and gravel	10	17
Lannon Quarry	Lannon Stone Products Inc	Waukesha County, WI	Crushed, broken limestone	6	17
North Lake Pit	Halquist Stone Company Inc	Waukesha County, WI	Construction sand and gravel	6	17
Crusher #1	Wamsley Excavating & Quarry Products LLC	Grant County, WI	Construction sand and gravel	2	17
Kordus Pit	Asphalt Contractors, Inc.	Racine County, WI	Construction sand and gravel	2	17
Janesville Pit and Mill	Janesville Sand & Gravel Co.	Rock County, WI	Construction sand and gravel	10	16
Portable #1	Genesee Aggregate Corp.	Milwaukee County, WI	Construction sand and gravel	2	16
Waterford Pit	Super Aggregates	Racine County, WI	Construction sand and gravel	5	15
Warren Quarry	Cretex Materials Inc	Racine County, WI	Crushed, broken limestone	4	15
Center Road Quarry	K&D Stone LLC	Dane County, WI	Lime	2	15
Fairwater Plant	Badger Mining Corporation	Fond Du Lac County, WI	Sand, industrial	23	14
Sandstone Quarry	Krukowski Stone Company Inc	Marathon County, WI	Dimension sandstone	4	14
Plant 2	Quality Aggregate	Fond Du Lac County, WI	Crushed, broken stone	4	14
Rock Crusher	Prairie Sand and Gravel, Inc.	Crawford County, WI	Crushed, broken limestone	3	14
Gillett Pit & Mill	Gillett Cement Products	Oconto County, WI	Construction sand and gravel	2	14
PC10	Payne & Dolan Inc	Waukesha County, WI	Construction sand and gravel	2	14
Taylor Plant	Badger Mining Corporation	Jackson County, WI	Sand, industrial	48	13
Sumner Wet Plant	Source Energy Services Proppants, LP	Barron County, WI	Sand, industrial	45	13
Wimme Pit	Wimme Sand & Gravel, Inc.	Portage County, WI	Construction sand and gravel	13	13
Industrial Sand Plant	Red Flint Sand & Gravel LLC	Eau Claire County, WI	Sand, industrial	7	13
Old Wash Plant (Doran)	Prairie Sand and Gravel, Inc.	Crawford County, WI	Construction sand and gravel	4	13
Plant #2	Arlan Pope Construction,Inc.	Burnett County, WI	Construction sand and gravel	3	13
McCloskey R155 Portable Screen Plant	Northern Interstate Construction, Inc.	Douglas County, WI	Construction sand and gravel	3	13
Generator 225 KW	Peters Concrete Company	Brown County, WI	Construction sand and gravel	1	13
Racine Quarry	Payne & Dolan Inc	Racine County, WI	Crushed, broken limestone	12	12
Jackson Quarry	Lannon Stone Products Inc	Washington County, WI	Crushed, broken limestone	9	12
Portable #1	Johnson Sand & Gravel Inc	Waukesha County, WI	Construction sand and gravel	4	12
Generator 750 KW	Peters Concrete Company	Brown County, WI	Crushed, broken limestone	4	12
Highway 41 Quarry	Eden Stone Co., LLC	Fond Du Lac County, WI	Dimension limestone	3	12
Oakfield Quarry	Oakfield Stone Company, Inc.	Fond Du Lac County, WI	Dimension limestone	2	12
Plant 6	MCC, Inc.	Outagamie County, WI	Crushed, broken limestone	2	12
Lemke Stone Inc	Lemke Stone Inc	Waukesha County, WI	Dimension limestone	2	12
Risner Pit	Koenig's Sand & Stone LLC	Marinette County, WI	Construction sand and gravel	2	12
578 Portable Wash Plant	Gillett Cement Products	Oconto County, WI	Construction sand and gravel	2	12
Greyhawk	Tri-County Paving, Inc.	Columbia County, WI	Construction sand and gravel	2	12
Neuman Pit	Francis Melvin, Inc.	Taylor County, WI	Construction sand and gravel	1	12
Bonduel Wash Plant	Peters Concrete Company	Shawano County, WI	Construction sand and gravel	1	12
600 KW	Peters Concrete Company	Brown County, WI	Crushed, broken limestone	0	12
Halquist Stone Company, Chilton Quarry	Halquist Stone Company Inc	Calumet County, WI	Crushed, broken limestone	20	11

Counties

County	Open mines
Dodge County	39
Dane County	38
Waukesha County	34
Marathon County	31
La Crosse County	29
Fond Du Lac County	26
Manitowoc County	24
Brown County	23
Sauk County	20
Outagamie County	20
Barron County	18
Monroe County	17
Rock County	16
Clark County	15
Kewaunee County	13
Polk County	12
Door County	12
Taylor County	12
Racine County	12
Waupaca County	12
Chippewa County	11
Green Lake County	10
Oneida County	10
Grant County	10
Shawano County	10
Calumet County	9
Langlade County	9
Burnett County	8
Iron County	8
Columbia County	7
Marinette County	6
Jackson County	6
Oconto County	6
Pierce County	6
Lincoln County	6
Washington County	5
Portage County	5
Iowa County	5
Vilas County	5
Crawford County	5
Wood County	5
Trempealeau County	5
Bayfield County	5
Douglas County	4
Ozaukee County	4
Dunn County	4
Forest County	4
St Croix County	4
Rusk County	4
Walworth County	4
Eau Claire County	3
Price County	3
Green County	3
Jefferson County	3
Pepin County	3
Milwaukee County	2
Sheboygan County	2
Winnebago County	2
Vernon County	2
Lafayette County	1
Richland County	1
Kenosha County	1
Sawyer County	1
Waushara County	1

Mines by kind

Kind	Open mines
Sand and gravel	390
Stone	214
Nonmetal	36

Main commodities

Main commodity	Open mines	Share
Construction sand and gravel	371	57.9%
Crushed, broken limestone	139	21.7%
Sand, industrial	35	5.5%
Dimension limestone	23	3.6%
Sand, common	19	3%
Crushed, broken stone	15	2.3%
Crushed, broken granite	14	2.2%
Dimension stone	10	1.6%
Lime	8	1.2%
Crushed, broken traprock	2	0.3%
Gypsum	1	0.2%
Dimension sandstone	1	0.2%
Crushed, broken marble	1	0.2%
Crushed, broken sandstone	1	0.2%

Citations and injury cases by year

Calendar years since 2022; 2026 runs to the date of the MSHA files.

Year	Citations and orders	Significant and substantial	Proposed penalties	Injury and illness cases
2022	861	100	$237,034	83
2023	1,054	140	$409,381	91
2024	1,079	149	$425,045	75
2025	801	125	$271,537	67
2026	768	105	$193,143	75

Standards cited most at mines in Wisconsin

Sections of Title 30 of the Code of Federal Regulations named on the citations, with the part each belongs to.

Standard	What the part covers	Citations
30 CFR 56.14100	Surface metal and nonmetal mines	389
30 CFR 56.14107	Surface metal and nonmetal mines	303
30 CFR 56.12004	Surface metal and nonmetal mines	303
30 CFR 50.30	Reporting of accidents, injuries and illnesses	288
30 CFR 56.4201	Surface metal and nonmetal mines	208
30 CFR 56.14132	Surface metal and nonmetal mines	188
30 CFR 56.14112	Surface metal and nonmetal mines	180
30 CFR 56.20003	Surface metal and nonmetal mines	165
30 CFR 56.12028	Surface metal and nonmetal mines	155
30 CFR 56.14101	Surface metal and nonmetal mines	134
30 CFR 56.12032	Surface metal and nonmetal mines	131
30 CFR 56.12008	Surface metal and nonmetal mines	113
30 CFR 56.9300	Surface metal and nonmetal mines	110
30 CFR 56.4101	Surface metal and nonmetal mines	99
30 CFR 56.14207	Surface metal and nonmetal mines	88

Injury and illness cases at mines in Wisconsin

Accident reports by degree of injury, as the operator reported them to MSHA.

Degree	Cases
Fatality	3
Permanent disability	5
Days away from work or restricted activity	232
No lost time, or an occupational illness	151

What the accident reports at mines in Wisconsin describe

Accident classification, as MSHA codes the circumstances that contributed most directly.

Classification	Reports
Handling of materials	147
Slip or fall of person	66
Handtools (nonpowered)	57
Machinery	50
Powered haulage	36
Other	15
Disorders (repeated trauma)	9
Falling/sliding/rolling materials	4
Striking or bumping	3
Exploding vessels under pressure	3

Equipment named in accident reports at mines in Wisconsin

Equipment	Reports
Hand tools (not powered)	58
Front-end loader	25
Hand tools (powered)	21
Conveyor	13
Ore haulage trucks - off highway trucks	12
Dimension stone machinery	10
Crusher	10
Screen	8
Forklift	7
Welding machine	7

Updated November 6, 2026. Read from US Department of Labor, Mine Safety and Health Administration (MSHA), Open Government Data Sets. US government work, public domain. Counts come from the MSHA files published on November 6, 2026. An open mine is one MSHA lists as Active, Intermittent, New Mine, Temporarily Idled or NonProducing; 13,673 were open that day. Citations, penalties, inspections and accident reports run from January 1, 2022. A citation is an inspector's allegation and an operator can contest it; the penalty is the amount MSHA first proposed, before any contest or settlement. An operator is the legal entity MSHA assesses, and a parent company is its controller. Mines run by sole proprietors or by individuals are counted in every total and are not named. This page uses MSHA data and is not endorsed or certified by MSHA. Free to reuse with credit to SpecStream under CC BY 4.0. Spot a wrong value? Write to [email protected] with the link to this page.