# Smith Branch Plant

- **MSHA mine ID:** 4608854
- **Status:** Abandoned and Sealed
- **Type / commodity:** Facility / Coal (Bituminous)
- **Location:** Wyoming, WV
- **Operator:** DTE Smith Branch LLC
- **Controller:** DTE Energy Company
- **Public source rows linked:** 199
- **Source coverage:** 13 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**DTE Energy Company (C15950) → DTE Smith Branch LLC (P24449) → Smith Branch Plant (4608854)**

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

## Controller and operator valid-time history

- **DTE Energy Company → Dte Smith Branch Llc:** 2000-09-01 through current/open; derived from co-tenure at mine 4608854; 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 — 0 since 2021:** Accidents and injuries 1 historical accident/injury rows; 0 coded fatalities and 0 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 23 violation rows across the full record; 3 carry an S&S flag and $1,941 appears in current assessed amounts.
3. **HEALTH — 49 samples:** Occupational health samples 38 coal dust; 11 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 — 0 tons:** Quarterly production and employment 0 employee hours and 0 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 4 linked rows:** Contests, conferences and decisions 2 contested-violation rows, 2 civil-penalty docket/decision rows, and 0 conference records linked by issuance number.
6. **CONTRACTORS — 0 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 20 inspection events and 489 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 41.12 — Changes; notification by operator.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-G/part-41/subpart-B/section-41.12
- **30 CFR 77.106 — Records of certified and qualified persons.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-B/section-77.106
- **30 CFR 77.1707 — First aid equipment; location; minimum requirements.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-R/section-77.1707
- **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 77.400 — Mechanical equipment guards.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-E/section-77.400
- **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 77.201 — Methane content in surface installations.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.201
- **30 CFR 77.1103 — Flammable liquids; storage.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1103
- **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 77.205 — 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 77.1000 — Highwalls, pits and spoil banks; plans.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-K/section-77.1000

## Source coverage

- **Accident, Injuries, and Illnesses:** 1 rows; 2003-04-05 through 2003-04-05; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2008-09-25 through 2008-09-25; source ID `msha-addresses`
- **Assessed Violations:** 23 rows; 2002-02-25 through 2008-09-25; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 2 rows; 2007-01-03 through 2007-01-03; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 38 rows; 2001-09-06 through 2007-11-21; source ID `msha-coal-dust-samples`
- **Contested Violations:** 2 rows; 2006-02-06 through 2006-02-06; source ID `msha-contested-violations`
- **Controller and Operator History:** 1 rows; 2000-09-01 through 2000-09-01; source ID `msha-controller-operator-history`
- **Inspections:** 20 rows; 2001-04-02 through 2008-09-23; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 60 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 16 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 11 rows; 2003-09-09 through 2006-04-11; source ID `msha-noise-samples`
- **Violations:** 23 rows; 2002-02-25 through 2008-09-25; 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/smith-branch-plant-4608854`
- JSON: `/api/v1/mines/smith-branch-plant-4608854`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4608854/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4608854/relationships`
- MCP resource: `mine://4608854/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`