Sources: Commonwealth of Massachusetts, Human Resources Division (HRD), Massachusetts Executive Branch Bargaining Unit Job Codes and Salary Charts; U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics (OEWS), May 2025 — state estimates. Data captured September 30, 2026.
Massachusetts state pay plan Sourced
Published rates for each class, lowest first, effective July 12, 2026. These are the ranges Massachusetts sets for its own state employees; cities, counties and school districts have their own pay plans.
| Class and grade | Published rate |
|---|---|
| Hydrologist Class E27HYD Grade 27 | $3,659.09 – $5,390.09 a two weeks $95,136 – $140,142 a year 13 steps
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Schedule: Unit 9 MOSES salary plans 09A/B (salary chart effective 2026-07-12). Rates are as the plan publishes them; "a year" figures are conversions. Classes are matched to this job by title (GovJobsWiki editorial rule).
Source: Commonwealth of Massachusetts, Human Resources Division (HRD), Massachusetts Executive Branch Bargaining Unit Job Codes and Salary Charts. Data captured September 30, 2026.
Pay in Massachusetts, all employers Sourced
Hydrologists (SOC 19-2043) in Massachusetts, all employers combined: BLS state estimates do not separate government from private.
| Measure | MA |
|---|---|
| Workers | 50 |
| 10th percentile | $71,510 |
| Median | $119,350 |
| 90th percentile | $155,150 |
| National median, government employers | $93,430 |
Sources: U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics (OEWS), May 2025 — state estimates; U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics (OEWS), May 2025 — national estimates by ownership. Data captured September 30, 2026.
More about this job
Requirements, hiring process, training, schedule and day-to-day work are on the national Hydrologist page.