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MSHA mine register by county

Mines in Ozaukee County, Wisconsin

Ozaukee County, Wisconsin has 8 mines on MSHA's register: 1 active, 3 intermittent, 4 abandoned. 4 accidents have been reported at these mines between 1985 and 2008. Inspectors have issued 190 citations.

Every mine MSHA has registered in Ozaukee County, working or not, with the accident, fatality and citation record each one carries on this site. Active mines are listed first, then the rest by the weight of their record.

Abandoned and historical mine features in Ozaukee County →

Mines on register
8
Active
1
Fatalities on record
0
Citations issued
190
0 underground · 8 surface · 0 facilities 0 coal · 8 metal and non-metal 3 intermittent 4 abandoned 4 reported accidents, 1985–2008
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.
Ozaukee County, Wisconsin · Population 92,345
0.6%
Mining share of county employment
$96,734
Median household income
Source: US Census Bureau, American Community Survey 2023 5-year estimates.
On the map 
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MSHA-registered mine, any status

Mines plot only where MSHA holds a surveyed coordinate for the site; mines the agency locates to a town, county or state centroid are in the counts and the list above but not drawn. Click a point for the mine's status and record.

Operators with the most mines herecurrent operator of record
Operator Mines Active Fatalities
Hartmann Sand & Gravel Company Inc 3 1 0
Edward Kraemer & Sons Inc 1 0 0
Fredonia Sand & Gravel Inc 1 0 0
James Cape & Sons Company 1 0 0
Ozaukee County Highway 1 0 0
Rowe Sand & Gravel 1 0 0
Mines in Ozaukee County8 on register
  1. Hartmann Pit
    Surface metal/non-metal · Hartmann Sand & Gravel Company Inc · MSHA ID 4700853
    Active
  2. Lakeland Site
    Surface metal/non-metal · Ozaukee County Highway · MSHA ID 4701858
    Intermittent
  3. Spring Lake Pit
    Surface metal/non-metal · Hartmann Sand & Gravel Company Inc · MSHA ID 4703061
    Intermittent
  4. Rowe Sand & Gravel
    Surface metal/non-metal · Rowe Sand & Gravel · MSHA ID 4702117
    Abandoned
  5. EL-JAY CONE 24X36" #205032
    Surface metal/non-metal · James Cape & Sons Company · MSHA ID 4700793
    Abandoned
  6. Grabinger Pit
    Surface metal/non-metal · Hartmann Sand & Gravel Company Inc · MSHA ID 4703488
    Intermittent
  7. Ciriak Pit
    Surface metal/non-metal · Edward Kraemer & Sons Inc · MSHA ID 4701436
    Abandoned
  8. Hamm Pit
    Surface metal/non-metal · Fredonia Sand & Gravel Inc · MSHA ID 4702426
    Abandoned

Status, type and operator are as reported to MSHA. Fatality and accident counts are MSHA's reportable accident records for the mine; citations are inspector-issued violations on record. Each mine's own page carries the full detail.

Other counties in WisconsinAll counties →
How to read these numbers

The register is MSHA's Mine Data Retrieval System: every operation ever assigned a mine ID, including ones abandoned decades ago, so the count is a history of mining in the county, not a count of working mines. A mine's county is the one its operator reported to MSHA. Fatality and accident counts start with MSHA's reportable-accident records (1983 onward); citation counts are inspector-issued violations on record. We are an independent research tool, not MSHA.