Source: Delaware Department of Human Resources, Classification and Compensation, Delaware classification plan (class report) and FY2027 pay grade tables. Data captured September 30, 2026.
Delaware state pay plan Sourced
Published rates for each class, lowest first, effective July 12, 2026. These are the ranges Delaware sets for its own state employees; cities, counties and school districts have their own pay plans.
| Class and grade | Published rate |
|---|---|
| Hydrologist I Class MGBF01 · class description Grade H11 | $50,231 – $83,718 a year |
| Hydrologist II Class MGBF02 · class description Grade H13 | $57,246 – $95,410 a year |
| Hydrologist III Class MGBF03 · class description Grade H15 | $64,708 – $107,846 a year |
| Hydrologist IV Class MGBF04 · class description Grade H17 | $73,161 – $121,935 a year |
| Hydrologist V Class MGBF05 · class description Grade H20 | $87,972 – $146,620 a year |
| Hydrologist VI Class MGBF06 · class description Grade H21 | $93,608 – $156,013 a year |
Schedule: Selective Market Variation, 37.5 Hours (FY 2027). Rates are as the plan publishes them; "a year" figures are conversions. Classes are matched to this job by title (GovJobsWiki editorial rule).
Source: Delaware Department of Human Resources, Classification and Compensation, Delaware classification plan (class report) and FY2027 pay grade tables. 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.