Hydrologist in Washington: State Pay Plan & Salary

$58,392 – $122,448

state pay plan range, a year

classes in the state plan

$105,600

median pay in WA, all employers

350

workers in WA (SOC 19-2043)

Sources: Washington Office of Financial Management (OFM), State Human Resources, Washington Classified Job Listing and OFM Salary Schedules (effective July 1, 2026); U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics (OEWS), May 2025 — state estimates. Data captured September 30, 2026.

Washington state pay plan Sourced

Published rates for each class, lowest first, effective July 1, 2026. These are the ranges Washington sets for its own state employees; cities, counties and school districts have their own pay plans.

Class and grade	Published rate
Hydrogeologist 1 Class 514E · class description Grade 52	$58,392 – $78,504 a year 13 steps Step A: $58,392 a year Step B: $59,760 a year Step C: $61,332 a year Step D: $62,880 a year Step E: $64,512 a year Step F: $66,072 a year Step G: $67,704 a year Step H: $69,348 a year Step I: $71,136 a year Step J: $72,900 a year Step K: $74,748 a year Step L: $76,608 a year Step M: $78,504 a year
Hydrogeologist 2 Class 514F · class description Grade 58	$67,704 – $91,104 a year 13 steps Step A: $67,704 a year Step B: $69,348 a year Step C: $71,136 a year Step D: $72,900 a year Step E: $74,748 a year Step F: $76,608 a year Step G: $78,504 a year Step H: $80,496 a year Step I: $82,440 a year Step J: $84,528 a year Step K: $86,688 a year Step L: $88,788 a year Step M: $91,104 a year
Hydrogeologist 3 Class 514G · class description Grade 62	$74,748 – $100,488 a year 13 steps Step A: $74,748 a year Step B: $76,608 a year Step C: $78,504 a year Step D: $80,496 a year Step E: $82,440 a year Step F: $84,528 a year Step G: $86,688 a year Step H: $88,788 a year Step I: $91,104 a year Step J: $93,288 a year Step K: $95,676 a year Step L: $98,064 a year Step M: $100,488 a year
Hydrogeologist 4 Class 514H · class description Grade 66	$82,440 – $110,952 a year 13 steps Step A: $82,440 a year Step B: $84,528 a year Step C: $86,688 a year Step D: $88,788 a year Step E: $91,104 a year Step F: $93,288 a year Step G: $95,676 a year Step H: $98,064 a year Step I: $100,488 a year Step J: $102,996 a year Step K: $105,612 a year Step L: $108,228 a year Step M: $110,952 a year
Hydrogeologist 5 Class 514I · class description Grade 70	$91,104 – $122,448 a year 13 steps Step A: $91,104 a year Step B: $93,288 a year Step C: $95,676 a year Step D: $98,064 a year Step E: $100,488 a year Step F: $102,996 a year Step G: $105,612 a year Step H: $108,228 a year Step I: $110,952 a year Step J: $113,736 a year Step K: $116,544 a year Step L: $119,460 a year Step M: $122,448 a year

Schedule: General Service Salary Schedule. Rates are as the plan publishes them; "a year" figures are conversions. Classes are matched to this job by title (GovJobsWiki editorial rule).

Source: Washington Office of Financial Management (OFM), State Human Resources, Washington Classified Job Listing and OFM Salary Schedules (effective July 1, 2026). Data captured September 30, 2026.

Pay in Washington, all employers Sourced

Hydrologists (SOC 19-2043) in Washington, all employers combined: BLS state estimates do not separate government from private.

Measure	WA
Workers	350
10th percentile	$80,450
Median	$105,600
90th percentile	$194,900
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.

Hydrologist in other states

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