# Wampum

- **MSHA mine ID:** 3609169
- **Status:** Active
- **Type / commodity:** Surface / Sand, Industrial NEC
- **Location:** Lawrence, PA
- **Operator:** Three Rivers Aggregate Holding LLC
- **Controller:** Sweet Water Quarries LLC; Three River Agg Holding LLC
- **Public source rows linked:** 601
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Sweet Water Quarries LLC; Three River Agg Holding LLC (0174681) → Three Rivers Aggregate Holding LLC (0109368) → Wampum (3609169)**

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

## Controller and operator valid-time history

- **Ennstone PLC → Atlantic States Materials of PA Inc:** 2003-09-22 through 2006-05-14; derived from co-tenure at mine 3609169; source `msha-controller-operator-history`.
- **Ennstone PLC → Three Rivers Aggregates:** 2006-05-15 through 2009-06-10; derived from co-tenure at mine 3609169; source `msha-controller-operator-history`.
- **Mark  Elliott → Three Rivers Aggregates:** 2009-06-11 through 2010-04-18; derived from co-tenure at mine 3609169; source `msha-controller-operator-history`.
- **Lindy Paving Incorporated et al → Three Rivers Aggregate Holding LLC:** 2010-04-19 through 2021-12-31; derived from co-tenure at mine 3609169; source `msha-controller-operator-history`.
- **Sweet Water Quarries LLC et al → Three Rivers Aggregate Holding LLC:** 2010-04-19 through 2021-12-31; derived from co-tenure at mine 3609169; source `msha-controller-operator-history`.
- **Three River Agg Holding LLC et al → Three Rivers Aggregate Holding LLC:** 2022-01-01 through current/open; derived from co-tenure at mine 3609169; source `msha-controller-operator-history`.
- **Sweet Water Quarries LLC et al → Three Rivers Aggregate Holding LLC:** 2022-01-01 through current/open; derived from co-tenure at mine 3609169; source `msha-controller-operator-history`.

- History rows: 7
- Typed edges: 15
- 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 — 1 since 2021:** Accidents and injuries 7 historical accident/injury rows; 0 coded fatalities and 32 lost days across the published record.
2. **COMPLIANCE — 23 since 2021:** Violations and penalties 46 violation rows across the full record; 9 carry an S&S flag and $7,502 appears in current assessed amounts.
3. **HEALTH — 13 samples:** Occupational health samples 13 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 5K employee hours and 10 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 4 linked rows:** Contests, conferences and decisions 1 contested-violation rows, 1 civil-penalty docket/decision rows, and 2 conference records linked by issuance number.
6. **CONTRACTORS — 3 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 — 11 since 2021:** Inspections 33 inspection events and 471 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.** (5 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-D/section-50.30
- **30 CFR 56.12028 — Testing grounding systems.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12028
- **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 56.14100 — 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 56.4201 — Inspection.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4201
- **30 CFR 56.11027 — Scaffolds and working platforms.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11027
- **30 CFR 56.14112 — Construction and maintenance of guards.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14112
- **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:** 7 rows; 2004-07-28 through 2025-05-07; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2022-10-01 through 2022-10-01; source ID `msha-addresses`
- **Assessed Violations:** 46 rows; 2004-01-13 through 2026-07-01; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 1 rows; 2025-02-18 through 2025-02-18; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 2 rows; 2008-01-03 through 2024-07-15; source ID `msha-conferences`
- **Contested Violations:** 1 rows; 2024-03-05 through 2024-03-05; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 206 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 55 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 7 rows; 2003-09-22 through 2010-04-19; source ID `msha-controller-operator-history`
- **Inspections:** 33 rows; 2004-01-13 through 2026-06-29; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 142 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 40 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:** 13 rows; 2004-05-06 through 2023-05-18; source ID `msha-personal-health-samples`
- **Violations:** 46 rows; 2004-01-13 through 2026-07-01; 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/wampum-3609169`
- JSON: `/api/v1/mines/wampum-3609169`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/3609169/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/3609169/relationships`
- MCP resource: `mine://3609169/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`