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MSHA mine ID 0405638 · Riverside County, CA
Watch this mineLast 12 months: 5 citations and $1,624 in assessed penalties. 14 of 15 citations in the past 24 months have an MSHA assessment so far, first proposed at $3,680. None are marked contested. What these terms mean
How MSHA turns penalty points into a dollar figure: try the free MSHA penalty calculator.
The 30 CFR section MSHA cited, most cited first. Linked standards have their own page with nationwide counts; see the most-cited MSHA standards.
| Standard | Citations | Assessed |
|---|---|---|
| 56.14107(a) | 3 | $479 |
| 56.14132(a) | 2 | $328 |
| 56.12004 | 1 | $504 |
| 56.12028 | 1 | $151 |
| 56.12032 | 1 | $818 |
| 56.14101(a)(2) | 1 | $398 |
| 56.14112(a)(1) | 1 | $151 |
| 56.14112(b) | 1 | Not yet assessed |
| 56.14207 | 1 | $398 |
| 56.16005 | 1 | $151 |
| 56.4102 | 1 | $151 |
| 56.4601 | 1 | $151 |
Newest first.
| Issued | Assessed |
|---|---|
| Oct 27, 2026 No. 5166091 | Not yet assessed |
| Apr 15, 2026 No. 5165276 | $504 |
| Apr 15, 2026 No. 5165275 56.4102 | $151 |
| Apr 15, 2026 No. 5165274 56.4601 | $151 |
| Apr 14, 2026 No. 5165273 | $818 |
| Oct 2, 2025 No. 5165235 | $151 |
| Oct 2, 2025 No. 5165234 | $151 |
| Oct 2, 2025 No. 5165233 | $151 |
| Oct 1, 2025 No. 5165232 | $151 |
| May 28, 2025 No. 9509673 | $151 |
| May 28, 2025 No. 9509672 | $151 |
| Dec 18, 2024 No. 9892866 | $398 |
| Dec 17, 2024 No. 9892865 | $398 |
| Dec 17, 2024 No. 9892864 | $177 |
| Dec 17, 2024 No. 9892863 | $177 |
Regular Safety and Health Inspection
Event F03717C
Oct 26, 2026
Regular Safety and Health Inspection
Event F02C173
Apr 14, 2026 to Apr 16, 2026
Regular Safety and Health Inspection
Event F014E64
Oct 1, 2025 to Oct 3, 2025
Regular Safety and Health Inspection
Event F003D79
May 28, 2025 to May 29, 2025
Regular Safety and Health Inspection
Event F00A043
Dec 16, 2024 to Dec 18, 2024
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MSHA data as of Oct 31, 2026 · Source: MSHA open data · Look up mine 0405638 on MSHA
S&S rate 0% of this mine's citations, compared with 18% across 349 cited surface metal and nonmetal mines in CA in the same 24 months.