8 Common Workplace Hazards (OSHA Guide + Prevention Steps for 2026)
Every year, millions of American workers are injured, sickened, or killed by hazards that were entirely preventable.
Understanding what those hazards are, where they hide, and how to control them is the foundation of every effective workplace safety program - and the core purpose of OSHA regulations.
This guide covers the 8 most common types of workplace hazards, what OSHA says about each one, and the practical prevention steps every employer and worker needs in 2026.
What Is a Workplace Hazard?
A workplace hazard is any condition, substance, or practice that has the potential to cause injury, illness, or death to a worker. Under OSHA's General Duty Clause, employers are legally required to identify and control all recognized hazards - whether or not a specific OSHA standard exists for that hazard.
Workplace incidents, including injuries, illnesses, close calls, near misses, and reports of other concerns, provide a clear indication of where hazards exist. By thoroughly investigating incidents and reports, employers can identify hazards that are likely to cause future harm. OSHA Outreach Courses
The key word is "recognized." If a hazard is known to exist in your industry and you have not addressed it, OSHA can cite you even without a specific rule - and juries in civil cases hold employers to the same standard.
The 6 Categories of Workplace Hazards
Before diving into specific hazards, it helps to understand how OSHA and safety professionals classify them:
Category Examples Physical Falls, noise, extreme temperatures, radiation Chemical Toxic fumes, corrosives, flammable liquids Biological Bloodborne pathogens, mold, bacteria Ergonomic Repetitive motion, awkward postures, heavy lifting Psychosocial Workplace violence, stress, fatigue Safety Struck-by, caught-in, electrical, fireEach category requires a different control approach, which is why a one-size-fits-all safety program never works.
The 8 Most Common Workplace Hazards
1. Falls (Slips, Trips, and Fall from Heights)
Falls are the leading cause of death in construction and among the top causes of injury in every industry. Wet floors, uneven surfaces, loose cables, and poor housekeeping create everyday risks - these hazards often feel harmless until someone gets hurt.
Fall hazards come in two forms: same-level falls (slips and trips on walkways) and elevated falls (from ladders, roofs, scaffolding, and platforms). OSHA requires fall protection at heights of 4 feet in general industry and 6 feet in construction.
Prevention steps:
- Install guardrails, safety nets, or personal fall arrest systems at all elevated work areas
- Maintain clean, dry, well-lit walkways at all times
