# COACHELLA VALLEY AGGREGATE

- **MSHA mine ID:** 0405365
- **Status:** Active
- **Type / commodity:** Surface / Construction Sand and Gravel
- **Location:** Riverside, CA
- **Operator:** Coachella Valley Aggregates Inc
- **Controller:** Eric  Werner; Pat  Broyles
- **Public source rows linked:** 833
- **Source coverage:** 11 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Eric  Werner; Pat  Broyles (0126981) → Coachella Valley Aggregates Inc (L16406) → COACHELLA VALLEY AGGREGATE (0405365)**

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

## Controller and operator valid-time history

- **Jim  Broyles et al → Coachella Valley Aggregates Inc:** 1999-05-01 through 2017-03-21; derived from co-tenure at mine 0405365; source `msha-controller-operator-history`.
- **Eric  Werner et al → Coachella Valley Aggregates Inc:** 2017-03-22 through current/open; derived from co-tenure at mine 0405365; source `msha-controller-operator-history`.
- **Pat  Broyles et al → Coachella Valley Aggregates Inc:** 2017-03-22 through current/open; derived from co-tenure at mine 0405365; source `msha-controller-operator-history`.

- History rows: 3
- Typed edges: 6
- 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 — 6 since 2021:** Accidents and injuries 10 historical accident/injury rows; 0 coded fatalities and 147 lost days across the published record.
2. **COMPLIANCE — 49 since 2021:** Violations and penalties 236 violation rows across the full record; 57 carry an S&S flag and $58,315 appears in current assessed amounts.
3. **HEALTH — 12 samples:** Occupational health samples 12 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 8K employee hours and 13 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 3 linked rows:** Contests, conferences and decisions 0 contested-violation rows, 0 civil-penalty docket/decision rows, and 3 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 — 15 since 2021:** Inspections 66 inspection events and 1K 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 56.11012 — Protection for openings around travelways.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11012
- **30 CFR 56.20003 — Housekeeping.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-S/section-56.20003
- **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 56.14100 — 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 56.12004 — 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 56.4531 — Flammable or combustible liquid storage buildings or rooms.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4531
- **30 CFR 56.14107 — Moving machine parts.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14107
- **30 CFR 56.14205 — Machinery, equipment, and tools.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14205
- **30 CFR 56.16001 — Stacking and storage of materials.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-O/section-56.16001
- **30 CFR 56.3200 — Correction of hazardous conditions.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-B/section-56.3200

## Source coverage

- **Accident, Injuries, and Illnesses:** 10 rows; 2006-04-04 through 2026-06-19; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2004-03-24 through 2004-03-24; source ID `msha-addresses`
- **Assessed Violations:** 235 rows; 2000-01-06 through 2026-04-29; source ID `msha-assessed-violations`
- **Conferences:** 3 rows; 2011-01-10 through 2026-02-20; source ID `msha-conferences`
- **Controller and Operator History:** 3 rows; 1999-05-01 through 1999-05-01; source ID `msha-controller-operator-history`
- **Inspections:** 66 rows; 2000-01-06 through 2026-05-11; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 212 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 54 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:** 12 rows; 2011-05-12 through 2026-04-28; source ID `msha-personal-health-samples`
- **Violations:** 236 rows; 2000-01-06 through 2026-04-29; 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/coachella-valley-aggregate-0405365`
- JSON: `/api/v1/mines/coachella-valley-aggregate-0405365`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/0405365/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/0405365/relationships`
- MCP resource: `mine://0405365/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`