# Honeoye Falls Plant

- **MSHA mine ID:** 3000050
- **Status:** Intermittent
- **Type / commodity:** Surface / Crushed, Broken Limestone NEC
- **Location:** Livingston, NY
- **Operator:** Heidelberg Materials Northeast LLC
- **Controller:** Heidelberg Materials AG
- **Public source rows linked:** 1,129
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**Heidelberg Materials AG (M00004) → Heidelberg Materials Northeast LLC (L16322) → Honeoye Falls Plant (3000050)**

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

## Controller and operator valid-time history

- **Koppers Company Inc → General Crushed Stone Company:** 1950-01-01 through 1988-11-13; derived from co-tenure at mine 3000050; source `msha-controller-operator-history`.
- **Hanson PLC → Hanson Aggregates New York Inc:** 1988-11-14 through 2004-04-05; derived from co-tenure at mine 3000050; source `msha-controller-operator-history`.
- **Hanson PLC → Hanson Aggregates Inc:** 2004-04-06 through 2004-06-10; derived from co-tenure at mine 3000050; source `msha-controller-operator-history`.
- **Hanson PLC → Heidelberg Materials Northeast-NY LLC:** 2004-06-11 through 2007-08-22; derived from co-tenure at mine 3000050; source `msha-controller-operator-history`.
- **Heidelberg Materials AG → Hanson Aggregates Inc:** 2007-08-23 through 2004-06-10; derived from co-tenure at mine 3000050; source `msha-controller-operator-history`.
- **Heidelberg Materials AG → Hanson Aggregates New York Inc:** 2007-08-23 through 2004-04-05; derived from co-tenure at mine 3000050; source `msha-controller-operator-history`.
- **Heidelberg Materials AG → Heidelberg Materials Northeast-NY LLC:** 2007-08-23 through 2025-10-23; derived from co-tenure at mine 3000050; source `msha-controller-operator-history`.
- **Martin Marietta Materials Inc → Hanson Aggregates Inc:** 2021-10-01 through 2004-06-10; derived from co-tenure at mine 3000050; source `msha-controller-operator-history`.
- **Heidelberg Materials AG → Heidelberg Materials Northeast LLC:** 2025-10-24 through current/open; derived from co-tenure at mine 3000050; source `msha-controller-operator-history`.
- **Hanson PLC → Heidelberg Materials Northeast LLC:** 2025-10-24 through 2007-08-22; derived from co-tenure at mine 3000050; source `msha-controller-operator-history`.

- History rows: 10
- Typed edges: 20
- Interval anomalies: 4
- 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 — 4 since 2021:** Accidents and injuries 15 historical accident/injury rows; 0 coded fatalities and 645 lost days across the published record.
2. **COMPLIANCE — 57 since 2021:** Violations and penalties 127 violation rows across the full record; 23 carry an S&S flag and $28,955 appears in current assessed amounts.
3. **HEALTH — 114 samples:** Occupational health samples 114 personal. 8 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 14K employee hours and 24 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 20 linked rows:** Contests, conferences and decisions 7 contested-violation rows, 7 civil-penalty docket/decision rows, and 6 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 — 15 since 2021:** Inspections 74 inspection events and 2K 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.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-D/section-50.30
- **30 CFR 56.5001 — Exposure limits for airborne contaminants.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-D/section-56.5001
- **30 CFR 46.9 — Records of training.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.9
- **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 56.14105 — Procedures during repairs or maintenance.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14105
- **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 56.11001 — 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 56.12032 — Inspection and cover plates.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12032

## Source coverage

- **Accident, Injuries, and Illnesses:** 15 rows; 2000-09-13 through 2025-01-21; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2024-12-12 through 2024-12-12; source ID `msha-addresses`
- **Assessed Violations:** 126 rows; 2001-01-17 through 2025-10-23; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 7 rows; 2005-11-25 through 2014-08-20; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 6 rows; 2013-12-10 through 2017-04-18; source ID `msha-conferences`
- **Contested Violations:** 7 rows; 2005-04-14 through 2013-08-28; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 432 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 93 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 10 rows; 1950-01-01 through 2025-10-24; source ID `msha-controller-operator-history`
- **Inspections:** 74 rows; 2000-06-05 through 2026-09-09; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 35 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:** 114 rows; 2005-04-14 through 2026-09-10; source ID `msha-personal-health-samples`
- **Violations:** 127 rows; 2001-01-17 through 2026-09-10; 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/honeoye-falls-plant-3000050`
- JSON: `/api/v1/mines/honeoye-falls-plant-3000050`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/3000050/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/3000050/relationships`
- MCP resource: `mine://3000050/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`