Southern Wisconsin Aggregate Corporation, PIONEER JAW (Rock County, WI): MSHA citation under 56.12018 (2026-06-17)
Southern Wisconsin Aggregate Corporation (Wisconsin): MSHA citation under 56.12018 (2026-06-17). Its proposed penalty of $151 is above the median of $165 (50th percentile). Dated 141 days ago, it serves as a historical benchmark. Score 20/100. As of 2026-11-04, from US DOL Mine Safety and Health Administration (MSHA) Open Government Data, company violators only.
Data as of · Compiled by Zalwin from US DOL Mine Safety and Health Administration (MSHA) Open Government Data, company violators only
proposed penalty: $151 · 50th percentile of 24,451 MshaMinePulse records · 0.9x the median
Free preview: all 13 published fields of this record are shown below. Locked: 432 related WI MshaMinePulse records and the 5-column CSV export.
| Field | Value |
|---|---|
| Company | Southern Wisconsin Aggregate Corporation |
| Mine | PIONEER JAW (ID 4703187) |
| Location | Rock County, WI |
| Commodity | Construction Sand and Gravel |
| Mine type | Surface |
| Employees | 2 |
| Issued | 2026-06-17 |
| Action | Citation |
| Standard | 56.12018 |
| Significant & substantial | No |
| Negligence | Mod |
| Proposed penalty | $151 |
| Contested | No |
| proposed penalty percentile | 50th of 24,451 (median $165, 0.9x median) |
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CSV columns: Company · Mine · State · Standard · Issued · official source URL
- Source agency: US DOL Mine Safety and Health Administration (MSHA) Open Government Data, company violators only
- Record date: 2026-06-17
- Data refreshed: 2026-11-04
- Refunds on request within 14 days
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LIVE PUBLIC DATA Source: US DOL Mine Safety and Health Administration (MSHA) Open Government Data, company violators only · Last refreshed: Wed, 04 Nov 2026 01:31:23 GMT
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Peer benchmark and outreach value: Southern Wisconsin Aggregate Corporation and 433 Wisconsin peers
- Wisconsin MshaMinePulse records like this one: 433
- Southern Wisconsin Aggregate Corporation's proposed penalty: 50th percentile of 24,451 records
- Timing: Low: older than 30 days
- Estimated pipeline if you contact every Wisconsin peer: $86,600 (peers × rate × deal size; an estimate from your assumptions, not a forecast)
20 / 100 Safety Need Score
What is the MshaMinePulse record for Southern Wisconsin Aggregate Corporation in Wisconsin?
MSHA issued Southern Wisconsin Aggregate Corporation a citation under 56.12018 at PIONEER JAW (WI) on 2026-06-17.
How does Southern Wisconsin Aggregate Corporation compare to other Wisconsin MshaMinePulse records?
Its proposed penalty of $151 sits in the upper half (50th percentile) of 24,451 records; the median is $165. It is 141 days old; check the official source for later updates before acting. Its Safety Need Score of 20/100 is modest; treat it as background rather than a priority.
Southern Wisconsin Aggregate Corporation vs. top 3 peers
| Organization | Location | Amount | Percentile | Record date |
|---|---|---|---|---|
| Southern Wisconsin Aggregate Corporation | WI | 151 | 50th | 2026-06-17 |
| Super Aggregates Inc | WI | 168 | 53rd | 2026-07-21 |
| Asphalt Contractors, Inc. | WI | 273 | 66th | 2026-08-04 |
| Arlan Pope Construction, Inc. | WI | 407 | 76th | 2026-07-13 |
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Data comes from MSHA Open Government Data files, which MSHA updates weekly; citations can appear days to weeks after issue, and proposed penalties are often blank until assessed months later. Citations can be modified, vacated or contested; confirm on the MSHA Mine Data Retrieval System. Company violators only; individual agents are excluded. Not a consumer report and may not be used for FCRA purposes. Informational only; not legal or safety advice.