2,042,423Injury reports 130,778Establishments Most recent incident 2025-12-31
Safety Incidents OSHA Severe Injury Reports · 2015–2025

OSHA Injury Report: Tonna Mechanical, Inc.

Other illness · Days away from work

On , an other illness at Tonna Mechanical, Inc. in Rochester, MN 559010831 resulted in days away from work. Employee was drain Service Technician in plumbing and heating contractors.

Establishment
Tonna Mechanical, Inc.
Parent company
Tonna Mechanical, Inc.
Street
1440 Industrial Dr NW
City
Rochester
State
MN
ZIP
559010831
On-site location
Residential jobsite – interior
Outcome
Days away from work (code 2)
Type
Other illness (code 6)
Days away from work
8

The employee was performing regular job duties that involved repetitive kneeling over time.

Over a period of time repetitive kneeling during work activities resulted in an infection to the employee’s left knee.

Left knee infection.

Work surface kneeling activity.

Left knee infection from repetitive kneeling resulting in surgical treatment

Job description
Drain Service Technician
SOC code
47-2152 — Plumbers, Pipefitters, and Steamfitters
NAICS code
238220 — Plumbing and heating contractors
NAICS vintage
2022
Avg employees
91
Total hours worked
162038
EIN
411269382
Establishment ID
1436326
Employer case #
10
Date of incident
Shift started
7:19
Filing year
2025
Submitted
22JAN26:17:32:00

Data from OSHA ITA Form 300/301 electronic submissions, filing year 2025. ITA Case Detail records are establishment-reported submissions, not OSHA inspections — no per-record IMIS deep link exists.