Hydrologists vs. Occupational Health and Safety Specialists: Who Earns More?
Hydrologists out-earn Occupational Health and Safety Specialists by $6K a year at the national median, per BLS OEWS May 2025. Hydrologists land at $96,600 and Occupational Health and Safety Specialists at $90,150. The education gap is real: hydrologist programs typically require bachelor's degree, while occupational health and safety specialist programs require bachelor's degree. Top-paying state for Hydrologists is Maryland ($143,010); for Occupational Health and Safety Specialists it's District of Columbia ($111,530).
Pay by state
States where both occupations have BLS data, sorted by Hydrologists median pay.
Source: BLS OEWS May 2025. Highlighted value is higher in each row.
Common questions
Who earns more, Hydrologists or Occupational Health and Safety Specialists?
Hydrologists earn more nationally. The median is $96,600 for Hydrologists versus $90,150 for Occupational Health and Safety Specialists, a difference of $6K. Per BLS OEWS May 2025.
Which has better job growth, Hydrologists or Occupational Health and Safety Specialists?
Occupational Health and Safety Specialists has the better 10-year outlook at 12.5% projected growth, compared to -0.1% for the other field. Both are from BLS Employment Projections.
Which requires more education, Hydrologists or Occupational Health and Safety Specialists?
Hydrologists typically requires bachelor's degree. Occupational Health and Safety Specialists requires bachelor's degree. Education requirements vary by employer and state licensing board.
Where do Hydrologists get paid the most?
Maryland is the top-paying state for Hydrologists at $143,010/year, per BLS OEWS May 2025. Major metro areas within that state typically pay even more than the state average.
How does Hydrologists vs. Occupational Health and Safety Specialists pay differ by state?
The gap varies significantly by state. In Maryland, Hydrologists earn $143,010 vs. $91,820 for Occupational Health and Safety Specialists. See the state comparison table on this page for the full picture.