# Madden Materials Madden Pit

- **MSHA mine ID:** 4104443
- **Status:** Active
- **Type / commodity:** Surface / Sand, Common
- **Location:** Bexar, TX
- **Operator:** Madden Materials
- **Controller:** Jose C Regalado; Sofia A Regalado
- **Public source rows linked:** 897
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Jose C Regalado; Sofia A Regalado (0128801) → Madden Materials (0147373) → Madden Materials Madden Pit (4104443)**

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

## Controller and operator valid-time history

- **Alan Lee  Madden → Madden Material & Trucking:** 2003-09-23 through 2016-05-14; derived from co-tenure at mine 4104443; source `msha-controller-operator-history`.
- **Sofia A Regalado et al → Madden Materials:** 2016-05-15 through current/open; derived from co-tenure at mine 4104443; source `msha-controller-operator-history`.
- **Jose C Regalado et al → Madden Materials:** 2016-05-15 through current/open; derived from co-tenure at mine 4104443; 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: 2026-10-13T11:19:05.459773+00:00.

## Assessment signals

1. **SAFETY — 0 since 2021:** Accidents and injuries 3 historical accident/injury rows; 0 coded fatalities and 4 lost days across the published record.
2. **COMPLIANCE — 59 since 2021:** Violations and penalties 156 violation rows across the full record; 38 carry an S&S flag and $45,707 appears in current assessed amounts.
3. **HEALTH — 6 samples:** Occupational health samples 6 personal. 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 4K employee hours and 5 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 35 linked rows:** Contests, conferences and decisions 16 contested-violation rows, 16 civil-penalty docket/decision rows, and 3 conference records linked by issuance number.
6. **CONTRACTORS — 4 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 — 45 since 2021:** Inspections 106 inspection events and 902 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 50.30 — Preparation and submission of MSHA Form 7000-2—Quarterly Employment and Coal Production Report.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-D/section-50.30
- **30 CFR 46.7 — New task training.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.7
- **30 CFR 56.4200 — General requirements.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4200
- **30 CFR 56.12004 — Electrical conductors.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12004
- **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 56.9301 — Dump site restraints.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-H/section-56.9301
- **30 CFR 56.9300 — Berms or guardrails.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-H/section-56.9300
- **30 CFR 56.12030 — Correction of dangerous conditions.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12030
- **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

## Source coverage

- **Accident, Injuries, and Illnesses:** 3 rows; 2017-11-28 through 2019-02-19; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2016-10-06 through 2016-10-06; source ID `msha-addresses`
- **Assessed Violations:** 151 rows; 2004-01-05 through 2026-08-12; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 16 rows; 2010-10-18 through 2022-09-26; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 3 rows; 2018-02-02 through 2018-11-14; source ID `msha-conferences`
- **Contested Violations:** 16 rows; 2009-09-08 through 2022-03-17; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 170 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 33 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 3 rows; 2003-09-23 through 2016-05-15; source ID `msha-controller-operator-history`
- **Inspections:** 106 rows; 2004-01-05 through 2026-08-11; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 184 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 48 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:** 6 rows; 2021-06-10 through 2021-10-07; source ID `msha-personal-health-samples`
- **Violations:** 156 rows; 2004-01-05 through 2026-08-12; 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/madden-materials-madden-pit-4104443`
- JSON: `/api/v1/mines/madden-materials-madden-pit-4104443`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4104443/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4104443/relationships`
- MCP resource: `mine://4104443/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`