Key Takeaway

Sumner Pit And Plant is a active surface mine producing SandAndGravel, located in Sumner, Pierce County, WA. It has 72 violations on record (12 S&S) and $24K in proposed penalties. Operated by HM Pacific Northwest Inc..

Sumner Pit And Plant

Active Surface SandAndGravel

Operator: HM Pacific Northwest Inc.

Controller: Heidelberg Materials AG

Location: Sumner, Pierce County, WA

Employees: 2

72
Violations
12
S&S Violations
3
Accidents
$24K
Penalties

Recent Violations

View all 72 →
Date Section S&S Negligence Penalty
11/17/2025 56.12028 Non-S&S ModNegligence $209
11/13/2025 56.14110 Non-S&S ModNegligence $151
11/13/2025 56.14112(a)(1) Non-S&S ModNegligence $151
11/13/2025 56.20003(a) S&S ModNegligence $313
11/13/2025 56.18002(a) Non-S&S LowNegligence $151
11/13/2025 56.14107(a) Non-S&S LowNegligence $151
11/13/2025 56.12018 Non-S&S LowNegligence $151
07/09/2025 56.18002(b) Non-S&S ModNegligence $151
01/29/2025 56.14207 Non-S&S ModNegligence $151
06/06/2024 47.41(a) Non-S&S LowNegligence $147
06/05/2024 56.4201(a)(2) Non-S&S ModNegligence $147
06/05/2024 56.20003(a) Non-S&S ModNegligence $147
03/27/2024 56.12023 Non-S&S ModNegligence $147
03/27/2024 56.11001 Non-S&S ModNegligence $147
07/14/2023 56.4203 Non-S&S LowNegligence $198
02/17/2022 47.44(a) Non-S&S LowNegligence $133
02/17/2022 56.4104(b) Non-S&S LowNegligence $133
02/17/2022 56.11001 Non-S&S LowNegligence $133
02/17/2022 56.4201(a)(2) Non-S&S LowNegligence $133
02/16/2022 56.3202 Non-S&S ModNegligence $840

Accidents & Injuries

View all 3 →
Date Classification Injury Days Lost
07/14/2025 POWERED HAULAGE NO DYS AWY FRM WRK,NO RSTR ACT None
01/25/2022 SLIP OR FALL OF PERSON DYS AWY FRM WRK & RESTRCTD ACT 52d lost, 18d restricted
09/29/2020 HANDLING OF MATERIALS DAYS AWAY FROM WORK ONLY 183d lost

Inspections

View all 28 →
Begin End Hours Inspectors
11/13/2025 11/17/2025 25.00 1
07/09/2025 07/10/2025 10.50 1
01/29/2025 02/01/2025 12.50 1
06/05/2024 06/06/2024 25.25 1
03/27/2024 03/28/2024 17.00 1
07/14/2023 07/14/2023 11.00 1
05/04/2023 05/08/2023 14.50 1
06/23/2022 06/23/2022 10.00 1
01/27/2022 03/01/2022 111.25 1
01/25/2022 03/01/2022 95.50 1

Mine Details

MSHA Mine ID4500705
Mine TypeSurface
StatusActive
CommoditySandAndGravel
SIC DescriptionConstruction Sand and Gravel
Employees2
Days/Week5.0
Hours/Shift8.0
Coordinates47.1986110, -122.2047220
Nearest TownSumner

Frequently Asked Questions

How many MSHA violations does Sumner Pit And Plant have?

Sumner Pit And Plant has 72 MSHA violations on record, of which 12 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $24K.

What type of mine is Sumner Pit And Plant?

Sumner Pit And Plant is a Surface mine producing SandAndGravel, located in Sumner, Pierce County, WA. It currently has 2 employees.

Has anyone been injured or killed at Sumner Pit And Plant?

According to MSHA records, Sumner Pit And Plant has 3 reported accident/injury records and 0 fatalities on file.

Who operates Sumner Pit And Plant?

Sumner Pit And Plant is operated by HM Pacific Northwest Inc. and controlled by Heidelberg Materials AG. MSHA Mine ID: 4500705.