Data / Mines / Massachusetts / Northboro Plant

Northboro Plant: 23 MSHA citations

Name: MSHA record of Northboro Plant
Creator: SpecStream
License: https://creativecommons.org/licenses/by/4.0/

Updated November 6, 2026. Source: US Department of Labor, Mine Safety and Health Administration (MSHA), Open Government Data Sets.

Northboro Plant is an active construction sand and gravel surface mine in Worcester County, Massachusetts, operated by Kimball Sand Company Inc with 8 employees on MSHA's record (mine ID 1901072). Since January 1, 2022 MSHA inspectors issued 23 citations and orders there with $3,110 in proposed penalties, and 1 accident report was filed there, with 1 injury or illness case.

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MSHA mine ID: 1901072
Status: Active since April 11, 2011
Main commodity: Construction sand and gravel
Mine type: Surface
County: Worcester County, Massachusetts
Nearest town: Mendon
Operator: Kimball Sand Company Inc
Employees: 8
MSHA field office: Portsmouth NH Field Office
Citations and orders since January 1, 2022: 23
Significant and substantial: 0 (0.0%)
Closure orders: 1
High negligence or reckless: 1
Proposed penalties: $3,110
Amount paid so far: $3,110
Inspections: 12
Inspector hours on site: 106
Citations per inspection: 1.92 (all mines 2.30)
Accident reports: 1
Injury and illness cases: 1
Fatalities: 0
Latest MSHA record: October 7, 2026
Citations issued to contractors here: 1 ($143 proposed)

Citations and injury cases by year

Calendar years since 2022; 2026 runs to the date of the MSHA files.

Year	Citations and orders	Proposed penalties	Injury and illness cases
2022	3	$399	1
2023	3	$429	0
2025	6	$923	0
2026	11	$1,359	0

Standards cited most at Northboro Plant

Sections of Title 30 of the Code of Federal Regulations named on the citations, with the part each belongs to.

Standard	What the part covers	Citations
30 CFR 56.4201	Surface metal and nonmetal mines	3
30 CFR 56.14107	Surface metal and nonmetal mines	3
30 CFR 56.4101	Surface metal and nonmetal mines	2
30 CFR 56.14101	Surface metal and nonmetal mines	2
30 CFR 56.4601	Surface metal and nonmetal mines	1
30 CFR 56.20003	Surface metal and nonmetal mines	1
30 CFR 47.51	Hazard communication	1
30 CFR 56.12018	Surface metal and nonmetal mines	1
30 CFR 62.120	Occupational noise exposure	1
30 CFR 46.6	Training at sand, gravel and surface stone mines	1
30 CFR 56.18002	Surface metal and nonmetal mines	1
30 CFR 56.18010	Surface metal and nonmetal mines	1
30 CFR 56.16006	Surface metal and nonmetal mines	1
30 CFR 47.41	Hazard communication	1
30 CFR 56.14132	Surface metal and nonmetal mines	1

Injury and illness cases at Northboro Plant

Accident reports by degree of injury, as the operator reported them to MSHA.

Degree	Cases
No lost time, or an occupational illness	1

What the accident reports at Northboro Plant describe

Accident classification, as MSHA codes the circumstances that contributed most directly.

Classification	Reports
Handling of materials	1

Equipment named in accident reports at Northboro Plant

Equipment	Reports
Carriage-mounted drills	1

Other open mines in Worcester County, Massachusetts

Mine	Operator	County	Main commodity	Employees	Citations since 2022
Worcester Sand & Stone	Worcester Sand & Stone	Worcester County, MA	Crushed, broken traprock	17	57
Onyx Sterling Pit	Onyx Corporation	Worcester County, MA	Crushed, broken stone	6	48
Keating Quarry and Mill	P J Keating Company	Worcester County, MA	Crushed, broken traprock	28	43
Milford Stone Company	Milford Quarry Corporation	Worcester County, MA	Construction sand and gravel	1	40
Ashworth Gravel and Stone	Eastland Partners Inc	Worcester County, MA	Construction sand and gravel	9	31
Blackstone Plant	Kimball Sand Company Inc	Worcester County, MA	Crushed, broken limestone	9	30
Portable Crusher #5	Fay & Wright Excavating Inc	Worcester County, MA	Crushed, broken stone	3	21
Rawson Materials, Plant 9	Rawson Materials	Worcester County, MA	Crushed, broken stone	6	20
Century Perkins	Century Aggregates Inc	Worcester County, MA	Crushed, broken traprock	8	16
Otter River Pit & Plant	W J Graves Construction Company Inc	Worcester County, MA	Construction sand and gravel	5	15
Dauphinais Concrete	Dauphinais Concrete	Worcester County, MA	Construction sand and gravel	6	12
Portable Plant	W J Graves Construction Company Inc	Worcester County, MA	Construction sand and gravel	2	11
Rawson Materials Plant # 10	Rawson Materials	Worcester County, MA	Construction sand and gravel	9	10
R J Mc Donald Inc	R J Mc Donald Inc	Worcester County, MA	Construction sand and gravel	1	10
WBP Pit	Powell Stone & Gravel	Worcester County, MA	Construction sand and gravel	2	9

US government work, public domain. Counts come from the MSHA files published on November 6, 2026. An open mine is one MSHA lists as Active, Intermittent, New Mine, Temporarily Idled or NonProducing; 13,673 were open that day. Citations, penalties, inspections and accident reports run from January 1, 2022. A citation is an inspector's allegation and an operator can contest it; the penalty is the amount MSHA first proposed, before any contest or settlement. An operator is the legal entity MSHA assesses, and a parent company is its controller. Mines run by sole proprietors or by individuals are counted in every total and are not named. This page uses MSHA data and is not endorsed or certified by MSHA. Free to reuse with credit to SpecStream under CC BY 4.0. Spot a wrong value? Write to [email protected] with the link to this page.