# South Beloit

- **MSHA mine ID:** 1103107
- **Status:** Active
- **Type / commodity:** Surface / Construction Sand and Gravel
- **Location:** Winnebago, IL
- **Operator:** Bluff City Materials, Inc.
- **Controller:** Michael P  Vondra
- **Public source rows linked:** 441
- **Source coverage:** 11 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Michael P  Vondra (M09146) → Bluff City Materials, Inc. (L11868) → South Beloit (1103107)**

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

## Controller and operator valid-time history

- **Michael P  Vondra → Bluff City Materials, Inc.:** 2002-08-20 through 2013-04-07; derived from co-tenure at mine 1103107; source `msha-controller-operator-history`.
- **Michael P  Vondra → Southwind Materials:** 2013-04-08 through 2016-11-10; derived from co-tenure at mine 1103107; source `msha-controller-operator-history`.
- **Michael P  Vondra → Bluff City Materials, Inc.:** 2016-11-11 through current/open; derived from co-tenure at mine 1103107; source `msha-controller-operator-history`.

- History rows: 3
- Typed edges: 8
- 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 9 lost days across the published record.
2. **COMPLIANCE — 19 since 2021:** Violations and penalties 73 violation rows across the full record; 5 carry an S&S flag and $10,254 appears in current assessed amounts.
3. **HEALTH — 7 samples:** Occupational health samples 7 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 3K employee hours and 4 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 8 linked rows:** Contests, conferences and decisions 0 contested-violation rows, 0 civil-penalty docket/decision rows, and 8 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 — 13 since 2021:** Inspections 52 inspection events and 548 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 41.11 — Notification by operator.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-G/part-41/subpart-B/section-41.11
- **30 CFR 56.12004 — Electrical conductors.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12004
- **30 CFR 56.4203 — Extinguisher recharging or replacement.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4203
- **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 56.12032 — 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
- **30 CFR 56.11003 — Construction and maintenance of ladders.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11003
- **30 CFR 56.4011 — Abandoned electric circuits.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4011
- **30 CFR 56.18002 — Examination of working places.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-Q/section-56.18002
- **30 CFR 41.12 — Changes; notification by operator.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-G/part-41/subpart-B/section-41.12
- **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

## Source coverage

- **Accident, Injuries, and Illnesses:** 1 rows; 2006-11-06 through 2006-11-06; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2019-11-18 through 2019-11-18; source ID `msha-addresses`
- **Assessed Violations:** 73 rows; 2002-08-21 through 2025-01-22; source ID `msha-assessed-violations`
- **Conferences:** 8 rows; 2013-06-12 through 2021-05-20; source ID `msha-conferences`
- **Controller and Operator History:** 3 rows; 2002-08-20 through 2016-11-11; source ID `msha-controller-operator-history`
- **Inspections:** 52 rows; 2002-08-21 through 2026-06-04; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 181 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 41 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:** 7 rows; 2003-10-29 through 2014-12-10; source ID `msha-personal-health-samples`
- **Violations:** 73 rows; 2002-08-21 through 2025-01-22; 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/south-beloit-1103107`
- JSON: `/api/v1/mines/south-beloit-1103107`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1103107/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1103107/relationships`
- MCP resource: `mine://1103107/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`