# Arcosa Streetman Plant # 1605

- **MSHA mine ID:** 4101628
- **Status:** Active
- **Type / commodity:** Surface / Common Shale
- **Location:** Navarro, TX
- **Operator:** ARCOSA LWS,LLC
- **Controller:** Arcosa, Inc
- **Public source rows linked:** 1,241
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-18T09:31:49.615Z

## Current entity hierarchy

**Arcosa, Inc (0144281) → ARCOSA LWS,LLC (0127334) → Arcosa Streetman Plant # 1605 (4101628)**

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

## Controller and operator valid-time history

- **Texas Industries Inc → Txi (A/K/A Texas Industries Inc):** 1950-01-01 through 2005-03-14; derived from co-tenure at mine 4101628; source `msha-controller-operator-history`.
- **Texas Industries Inc → TXI Operations LP:** 2005-03-15 through 2013-03-22; derived from co-tenure at mine 4101628; source `msha-controller-operator-history`.
- **Trinity Industries Inc → ARCOSA LWS,LLC:** 2013-03-23 through 2018-10-31; derived from co-tenure at mine 4101628; source `msha-controller-operator-history`.
- **Martin Marietta Materials Inc → TXI Operations LP:** 2014-07-02 through 2013-03-22; derived from co-tenure at mine 4101628; source `msha-controller-operator-history`.
- **Arcosa, Inc → ARCOSA LWS,LLC:** 2018-11-01 through current/open; derived from co-tenure at mine 4101628; source `msha-controller-operator-history`.

- History rows: 5
- Typed edges: 13
- Interval anomalies: 1
- 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: 2026-10-18T09:31:49.615908+00:00.

## Assessment signals

1. **SAFETY — 6 since 2021:** Accidents and injuries 94 historical accident/injury rows; 1 coded fatalities and 191 lost days across the published record.
2. **COMPLIANCE — 24 since 2021:** Violations and penalties 195 violation rows across the full record; 25 carry an S&S flag and $28,571 appears in current assessed amounts.
3. **HEALTH — 42 samples:** Occupational health samples 42 personal. 1 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 36K employee hours and 64 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 30 linked rows:** Contests, conferences and decisions 13 contested-violation rows, 13 civil-penalty docket/decision rows, and 4 conference records linked by issuance number.
6. **CONTRACTORS — 2 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 — 17 since 2021:** Inspections 67 inspection events and 3K 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 56.14100 — Safety defects; examination, correction and records.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14100
- **30 CFR 56.14132 — Horns and backup alarms.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14132
- **30 CFR 56.14207 — Parking procedures for unattended equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14207
- **30 CFR 56.4201 — Inspection.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4201
- **30 CFR 56.12018 — Identification of power switches.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12018
- **30 CFR 56.11001 — Safe access.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11001
- **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 56.16006 — Protection of gas cylinder valves.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-O/section-56.16006
- **30 CFR 56.4101 — Warning signs.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4101
- **30 CFR 56.11012 — Protection for openings around travelways.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11012

## Source coverage

- **Accident, Injuries, and Illnesses:** 94 rows; 2000-01-11 through 2026-04-11; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 1972-08-03 through 1972-08-03; source ID `msha-addresses`
- **Assessed Violations:** 186 rows; 2000-04-25 through 2026-05-12; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 13 rows; 2010-01-25 through 2012-10-16; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 4 rows; 2013-01-10 through 2013-01-10; source ID `msha-conferences`
- **Contested Violations:** 13 rows; 2008-12-02 through 2024-10-16; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 174 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 47 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 5 rows; 1950-01-01 through 2013-03-23; source ID `msha-controller-operator-history`
- **Inspections:** 67 rows; 2000-04-25 through 2026-10-05; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 318 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 81 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Metal and Nonmetal Personal Health Samples:** 42 rows; 2004-02-05 through 2026-10-08; source ID `msha-personal-health-samples`
- **Violations:** 195 rows; 2000-04-25 through 2026-10-07; 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/arcosa-streetman-plant-1605-4101628`
- JSON: `/api/v1/mines/arcosa-streetman-plant-1605-4101628`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4101628/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4101628/relationships`
- MCP resource: `mine://4101628/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`