# Sumner Wet Plant

- **MSHA mine ID:** 4703686
- **Status:** Active
- **Type / commodity:** Surface / Sand, Industrial NEC
- **Location:** Barron, WI
- **Operator:** Source Energy Services Proppants LP
- **Controller:** Scott  Melbourn; Shawn  Furlong
- **Public source rows linked:** 762
- **Source coverage:** 12 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**Scott  Melbourn; Shawn  Furlong (0177361) → Source Energy Services Proppants LP (0130273) → Sumner Wet Plant (4703686)**

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

## Controller and operator valid-time history

- **Howard  Neilson et al → Canadian Sand And Proppants L.P.:** 2013-06-11 through 2013-10-15; derived from co-tenure at mine 4703686; source `msha-controller-operator-history`.
- **Jim  McMahon et al → Canadian Sand And Proppants L.P.:** 2013-06-11 through 2013-10-15; derived from co-tenure at mine 4703686; source `msha-controller-operator-history`.
- **Brad  Thompson et al → Source Energy Services Proppants LP:** 2013-10-16 through 2021-04-30; derived from co-tenure at mine 4703686; source `msha-controller-operator-history`.
- **Jim  McMahon et al → Source Energy Services Proppants LP:** 2013-10-16 through 2021-04-30; derived from co-tenure at mine 4703686; source `msha-controller-operator-history`.
- **Brad  Thompson → Source Energy Services Proppants LP:** 2021-05-01 through 2022-09-30; derived from co-tenure at mine 4703686; source `msha-controller-operator-history`.
- **Scott  Melbourn → Source Energy Services Proppants LP:** 2022-10-01 through current/open; derived from co-tenure at mine 4703686; source `msha-controller-operator-history`.
- **Shawn  Furlong → Source Energy Services Proppants LP:** 2022-10-01 through current/open; derived from co-tenure at mine 4703686; source `msha-controller-operator-history`.

- History rows: 7
- Typed edges: 13
- 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: 2026-10-17T05:35:58.500035+00:00.

## Assessment signals

1. **SAFETY — 1 since 2021:** Accidents and injuries 18 historical accident/injury rows; 0 coded fatalities and 55 lost days across the published record.
2. **COMPLIANCE — 25 since 2021:** Violations and penalties 72 violation rows across the full record; 20 carry an S&S flag and $22,429 appears in current assessed amounts.
3. **HEALTH — 33 samples:** Occupational health samples 33 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 — No published quarter:** Quarterly production and employment The source remains registered, but no mine-keyed quarterly production row was published.
5. **LEGAL — 4 linked rows:** Contests, conferences and decisions 0 contested-violation rows, 0 civil-penalty docket/decision rows, and 4 conference records linked by issuance number.
6. **CONTRACTORS — 8 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 38 inspection events and 901 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 56.12004 — 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 56.14107 — 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 56.14130 — Roll-over protective structures (ROPS) and seat belts.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14130
- **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 56.14100 — 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 56.14207 — Parking procedures for unattended equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14207
- **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 56.20003 — Housekeeping.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-S/section-56.20003
- **30 CFR 56.15005 — Safety belts and lines.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-N/section-56.15005
- **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

## Source coverage

- **Accident, Injuries, and Illnesses:** 18 rows; 2013-08-08 through 2026-02-20; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2016-02-16 through 2016-02-16; source ID `msha-addresses`
- **Assessed Violations:** 72 rows; 2013-06-12 through 2026-08-04; source ID `msha-assessed-violations`
- **Conferences:** 4 rows; 2017-07-26 through 2022-03-07; source ID `msha-conferences`
- **Contractor Employment and Production — Quarterly:** 415 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 73 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 7 rows; 2013-06-11 through 2013-10-16; source ID `msha-controller-operator-history`
- **Inspections:** 38 rows; 2013-06-12 through 2026-08-04; source ID `msha-inspections`
- **Mine Employment and Production — Yearly:** 28 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:** 33 rows; 2014-10-28 through 2025-11-25; source ID `msha-personal-health-samples`
- **Violations:** 72 rows; 2013-06-12 through 2026-08-04; 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/sumner-wet-plant-4703686`
- JSON: `/api/v1/mines/sumner-wet-plant-4703686`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4703686/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4703686/relationships`
- MCP resource: `mine://4703686/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`