# Winfield South Strip

- **MSHA mine ID:** 4103658
- **Status:** Abandoned
- **Type / commodity:** Surface / Coal (Lignite)
- **Location:** Titus, TX
- **Operator:** Luminant Mining Co LLC
- **Controller:** Vistra Energy
- **Public source rows linked:** 3,624
- **Source coverage:** 16 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**Vistra Energy (0129941) → Luminant Mining Co LLC (P00650) → Winfield South Strip (4103658)**

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

## Controller and operator valid-time history

- **TXU → Luminant Mining Co LLC:** 2007-08-31 through 2007-09-30; derived from co-tenure at mine 4103658; source `msha-controller-operator-history`.
- **Energy Future Holdings Corporation → Luminant Mining Co LLC:** 2007-10-01 through 2016-10-03; derived from co-tenure at mine 4103658; source `msha-controller-operator-history`.
- **Vistra Energy → Luminant Mining Co LLC:** 2016-10-04 through current/open; derived from co-tenure at mine 4103658; source `msha-controller-operator-history`.

- History rows: 3
- Typed edges: 7
- 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: 2026-10-17T05:35:58.500035+00:00.

## Assessment signals

1. **SAFETY — 0 since 2021:** Accidents and injuries 81 historical accident/injury rows; 1 coded fatalities and 337 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 222 violation rows across the full record; 34 carry an S&S flag and $111,019 appears in current assessed amounts.
3. **HEALTH — 246 samples:** Occupational health samples 146 coal dust; 100 noise. 0 personal-sample rows have a published C/E ratio above 1; 5 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 — 841K tons:** Quarterly production and employment 109K employee hours and 197 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 11 linked rows:** Contests, conferences and decisions 5 contested-violation rows, 5 civil-penalty docket/decision rows, and 1 conference records linked by issuance number.
6. **CONTRACTORS — 17 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 — 0 since 2021:** Inspections 102 inspection events and 4K published inspection hours across the historical record.

## EIA annual operating context

No matched record in the 2024 EIA coal-public workbook. This may be inapplicable for a non-coal operation.

## Recent Title 30 crosswalk

Snapshot current through 2026-08-19.

- **30 CFR 50.10 — Immediate notification.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-B/section-50.10
- **30 CFR 77.1606 — Loading and haulage equipment; inspection and maintenance.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1606
- **30 CFR 77.502 — Electric equipment; examination, testing, and maintenance.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-F/section-77.502
- **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 77.1607 — 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 77.205 — Travelways at surface installations.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.205
- **30 CFR 77.516 — Electric wiring and equipment; installation and maintenance.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-F/section-77.516
- **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 77.404 — 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 77.1104 — 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:** 81 rows; 2000-02-24 through 2019-06-11; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2020-09-21 through 2020-09-21; source ID `msha-addresses`
- **Assessed Violations:** 217 rows; 2000-03-05 through 2014-03-13; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 5 rows; 2010-07-14 through 2013-12-11; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 146 rows; 2000-03-06 through 2017-05-07; source ID `msha-coal-dust-samples`
- **Conferences:** 1 rows; 2008-02-04 through 2008-02-04; source ID `msha-conferences`
- **Contested Violations:** 5 rows; 2008-10-03 through 2011-10-17; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 2,188 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 501 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 3 rows; 1991-02-01 through 1991-02-01; source ID `msha-controller-operator-history`
- **Inspections:** 102 rows; 2000-03-04 through 2020-08-14; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 19 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 32 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 100 rows; 2000-03-05 through 2013-12-03; source ID `msha-noise-samples`
- **Violations:** 222 rows; 2000-03-05 through 2014-03-13; 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/winfield-south-strip-4103658`
- JSON: `/api/v1/mines/winfield-south-strip-4103658`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4103658/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4103658/relationships`
- MCP resource: `mine://4103658/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`