# Stimpel Wiebelhaus Associates, Inc., SWA @ Mountain Gate Quarry (Shasta County, CA): MSHA citation under 56.14112(b) (2026-10-21)

**Safety Need Score:** 40/100

| Field | Value |
|---|---|
| Company | Stimpel Wiebelhaus Associates, Inc. |
| Mine | SWA @ Mountain Gate Quarry (ID 0405504) |
| Location | Shasta County, CA |
| Commodity | Crushed, Broken Stone NEC |
| Mine type | Surface |
| Employees | 8 |
| Issued | 2026-10-21 |
| Action | Citation |
| Standard | 56.14112(b) |
| Significant & substantial | No |
| Negligence | Mod |
| Proposed penalty | Not yet assessed |
| Contested | No |

## Why this score
- Machine guarding / equipment standard (equipment-supplier trigger).
- Issued in the last 30 days.

Source: US DOL Mine Safety and Health Administration (MSHA) Open Government Data, company violators only (https://www.msha.gov/data-and-reports/mine-data-retrieval-system?mineId=0405504). Last refreshed: 2026-11-04T01:31:23.849Z.
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.