# Dredge St  Charles

- **MSHA mine ID:** 2302076
- **Status:** Active
- **Type / commodity:** Surface / Sand, Common
- **Location:** St Louis, MO
- **Operator:** Gateway Dredging & Contracting
- **Controller:** Limited Leasing Company; Kimaterials, Inc.
- **Public source rows linked:** 473
- **Source coverage:** 10 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Limited Leasing Company; Kimaterials, Inc. (0178141) → Gateway Dredging & Contracting (0118267) → Dredge St  Charles (2302076)**

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

## Controller and operator valid-time history

- **St Charles Sand Company → Limited Leasing Company:** 1993-02-01 through 2011-05-01; derived from co-tenure at mine 2302076; source `msha-controller-operator-history`.
- **David J  Bangert et al → Gateway Dredging & Contracting:** 2011-05-02 through 2023-06-07; derived from co-tenure at mine 2302076; source `msha-controller-operator-history`.
- **Kimaterials, Inc. → Gateway Dredging & Contracting:** 2023-06-08 through current/open; derived from co-tenure at mine 2302076; source `msha-controller-operator-history`.
- **Limited Leasing Company → Gateway Dredging & Contracting:** 2023-06-08 through current/open; derived from co-tenure at mine 2302076; source `msha-controller-operator-history`.

- History rows: 4
- Typed edges: 9
- 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 1 historical accident/injury rows; 0 coded fatalities and 48 lost days across the published record.
2. **COMPLIANCE — 9 since 2021:** Violations and penalties 61 violation rows across the full record; 14 carry an S&S flag and $7,154 appears in current assessed amounts.
3. **HEALTH — 15 samples:** Occupational health samples 15 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 2K employee hours and 4 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 0 linked rows:** Contests, conferences and decisions 0 contested-violation rows, 0 civil-penalty docket/decision rows, and 0 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 — 14 since 2021:** Inspections 63 inspection events and 637 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 47.41 — Requirement for container labels.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-47/subpart-E/section-47.41
- **30 CFR 56.12028 — Testing grounding systems.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12028
- **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 56.12004 — Electrical conductors.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12004
- **30 CFR 56.15020 — Life jackets and belts.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-N/section-56.15020
- **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 56.16005 — Securing gas cylinders.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-O/section-56.16005
- **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:** 1 rows; 2015-12-23 through 2015-12-23; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2002-04-25 through 2002-04-25; source ID `msha-addresses`
- **Assessed Violations:** 61 rows; 2001-05-23 through 2024-04-22; source ID `msha-assessed-violations`
- **Controller and Operator History:** 4 rows; 1993-02-01 through 2011-05-02; source ID `msha-controller-operator-history`
- **Inspections:** 63 rows; 2001-05-23 through 2026-07-27; 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:** 15 rows; 2005-02-02 through 2024-09-25; source ID `msha-personal-health-samples`
- **Violations:** 61 rows; 2001-05-23 through 2024-04-22; 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/dredge-st-charles-2302076`
- JSON: `/api/v1/mines/dredge-st-charles-2302076`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/2302076/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/2302076/relationships`
- MCP resource: `mine://2302076/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`