# El Segundo

- **MSHA mine ID:** 2902257
- **Status:** Active
- **Type / commodity:** Surface / Coal (Bituminous)
- **Location:** Mckinley, NM
- **Operator:** El Segundo Coal Company, LLC
- **Controller:** Peabody Energy Corporation
- **Public source rows linked:** 7,602
- **Source coverage:** 17 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Peabody Energy Corporation (C15833) → El Segundo Coal Company, LLC (P24175) → El Segundo (2902257)**

Current identity source: `msha-mines`. This is a current snapshot, not a historical claim.

## Controller and operator valid-time history

- **Peabody Energy Corporation → El Segundo Coal Company, LLC:** 2006-01-10 through current/open; derived from co-tenure at mine 2902257; source `msha-controller-operator-history`.

- History rows: 1
- Typed edges: 3
- Interval anomalies: 0
- Valid-time bounds: inclusive; date granularity; null end means open-ended in the upstream history row; not independent proof of present control.
- Transaction-time observation: 2026-10-13T11:19:05.459773+00:00.

## Assessment signals

1. **SAFETY — 9 since 2021:** Accidents and injuries 53 historical accident/injury rows; 1 coded fatalities and 2,590 lost days across the published record.
2. **COMPLIANCE — 95 since 2021:** Violations and penalties 404 violation rows across the full record; 121 carry an S&S flag and $206,223 appears in current assessed amounts.
3. **HEALTH — 1K samples:** Occupational health samples 764 coal dust; 100 coal quartz; 141 noise. 0 personal-sample rows have a published C/E ratio above 1; 0 noise rows have an action-level or PEL dose above 100%. These are separate measures, not a silica exceedance count. Silica results and sample status are shown separately.
4. **PRODUCTION — 440K tons:** Quarterly production and employment 62K employee hours and 128 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 84 linked rows:** Contests, conferences and decisions 40 contested-violation rows, 41 civil-penalty docket/decision rows, and 3 conference records linked by issuance number.
6. **CONTRACTORS — 33 linked entities:** Contractors Contractors are linked through this mine’s violation or accident records. Their production and hours cover all their operations, so they are not included in this mine’s totals.
7. **INSPECTIONS — 30 since 2021:** Inspections 78 inspection events and 6K published inspection hours across the historical record.

## EIA annual operating context

- **Reporting year:** 2024
- **Production:** 1,028,982 short tons
- **Labor hours:** 194,769
- **Average employees:** 97
- **Coal supply region:** Western
- **Union code:** Not published
- **Published rows under this MSHA ID:** 1

## Recent Title 30 crosswalk

Snapshot current through 2026-08-19.

- **30 CFR 77.410 — Mobile equipment; automatic warning devices.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-E/section-77.410
- **30 CFR 77.502-2 — Electric equipment; frequency of examination and testing.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-F/section-77.502-2
- **30 CFR 77.1607 — Loading and haulage equipment; operation.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1607
- **30 CFR 77.208 — Storage of materials.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.208
- **30 CFR 77.1110 — Examination and maintenance of firefighting equipment.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1110
- **30 CFR 77.404 — Machinery and equipment; operation and maintenance.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-E/section-77.404
- **30 CFR 77.512 — Inspection and cover plates.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-F/section-77.512
- **30 CFR 77.1713 — Daily inspection of surface coal mine; certified person; reports of inspection.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-R/section-77.1713
- **30 CFR 77.1101 — Escape and evacuation; plan.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1101
- **30 CFR 47.41 — Requirement for container labels.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-47/subpart-E/section-47.41
- **30 CFR 77.1104 — Accumulations of combustible materials.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1104

## Source coverage

- **Accident, Injuries, and Illnesses:** 53 rows; 2008-02-09 through 2026-04-28; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2007-11-01 through 2007-11-01; source ID `msha-addresses`
- **Assessed Violations:** 402 rows; 2008-03-12 through 2026-08-18; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 41 rows; 2009-02-12 through 2025-04-08; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 764 rows; 2008-06-19 through 2026-09-08; source ID `msha-coal-dust-samples`
- **Conferences:** 3 rows; 2020-07-28 through 2020-07-28; source ID `msha-conferences`
- **Contested Violations:** 40 rows; 2008-03-12 through 2024-07-10; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 4,345 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 951 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 1 rows; 2006-01-10 through 2006-01-10; source ID `msha-controller-operator-history`
- **Inspections:** 78 rows; 2008-03-10 through 2026-08-17; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 220 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 57 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 141 rows; 2008-06-18 through 2026-08-18; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 100 rows; 2011-03-06 through 2026-08-19; source ID `msha-quartz-samples`
- **Violations:** 404 rows; 2008-03-12 through 2026-08-18; source ID `msha-violations`

## Caveats

- This is public-record decision support, not legal advice or an official MSHA record.
- Missing data can indicate no event, publication delay, an unresolved identity, or inapplicability.
- Contractor production data is entity-level and is not attributed to this mine.

## Alternate representations

- HTML: `/mines/el-segundo-2902257`
- JSON: `/api/v1/mines/el-segundo-2902257`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/2902257/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/2902257/relationships`
- MCP resource: `mine://2902257/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`