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Data / Mines / Wisconsin / Chippewa County

Mines in Chippewa County, Wisconsin: 11 open mines

Updated November 6, 2026. Source: US Department of Labor, Mine Safety and Health Administration (MSHA), Open Government Data Sets.

MSHA lists 11 open mines in Chippewa County, Wisconsin, run by 8 operators and employing 19 people. Since January 1, 2022 its inspectors issued 26 citations and orders there with $3,732 in proposed penalties, and operators reported no injury or illness cases. The operators with the most open mines are Stelter Inc.; Haas Sons Inc; Michels Materials, LLC. Data from MSHA, November 6, 2026.

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Open mines
11
Operators
8
Employees
19
Intermittent
10
New Mine
1
Mines run by individuals, counted and not listed
4
Citations and orders since January 1, 2022
26
Significant and substantial
1 (3.8%)
Closure orders
0
High negligence or reckless
0
Proposed penalties
$3,732
Amount paid so far
$3,732
Inspections
48
Inspector hours on site
192
Citations per inspection
0.54 (all mines 2.30)
Accident reports
0
Injury and illness cases
0
Fatalities
0
Latest MSHA record
July 15, 2026

Operators with the most open mines in Chippewa County, Wisconsin

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

OperatorOpen minesEmployeesCitations since 2022Proposed penaltiesInjury cases
Stelter Inc.2414$1,9980
Haas Sons Inc125$7510
Michels Materials, LLC123$4230
Chippewa County Highway Department152$2940
A & B Materials110$00
Twin City Material120$00

Operators with the most citations in Chippewa County, Wisconsin

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

OperatorOpen minesEmployeesCitations since 2022Proposed penaltiesInjury cases
Stelter Inc.2414$1,9980
Haas Sons Inc125$7510
Michels Materials, LLC123$4230
Chippewa County Highway Department152$2940
A & B Materials110$00
Twin City Material120$00

Mines with the most citations

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

MineOperatorCountyMain commodityEmployeesCitations since 2022
Colony PitStelter Inc.Chippewa County, WIConstruction sand and gravel37
Swift Wash PlantStelter Inc.Chippewa County, WIConstruction sand and gravel17
Wash Plant #4Haas Sons IncChippewa County, WIConstruction sand and gravel25
Plant 1Michels Materials, LLCChippewa County, WIConstruction sand and gravel23
Chippewa County PitsChippewa County Highway DepartmentChippewa County, WIConstruction sand and gravel52
Nelson PitTwin City MaterialChippewa County, WIConstruction sand and gravel20
Frazer MineA & B MaterialsChippewa County, WIConstruction sand and gravel10

Citations and injury cases by year

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

YearCitations and ordersSignificant and substantialProposed penaltiesInjury and illness cases
202290$1,1970
202320$2860
202440$5880
2026111$1,6610

Standards cited most at mines in Chippewa County, Wisconsin

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

StandardWhat the part coversCitations
30 CFR 50.30Reporting of accidents, injuries and illnesses13
30 CFR 56.14132Surface metal and nonmetal mines3
30 CFR 56.12004Surface metal and nonmetal mines1
30 CFR 56.12008Surface metal and nonmetal mines1
30 CFR 41.12Notice of legal identity1
30 CFR 56.12028Surface metal and nonmetal mines1
30 CFR 56.9300Surface metal and nonmetal mines1
30 CFR 56.14103Surface metal and nonmetal mines1
30 CFR 56.15007Surface metal and nonmetal mines1
30 CFR 56.4201Surface metal and nonmetal mines1
30 CFR 56.18002Surface metal and nonmetal mines1
30 CFR 56.20011Surface metal and nonmetal mines1

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.