career Comparison
Compare key metrics between Hydrologic Technicians and Surveying and Mapping Technicians. Data sourced from BLS OEWS 2024 + O*NET 29.0 (2024).
| Metric | Hydrologic Technicians | Surveying and Mapping Technicians |
|---|---|---|
| soc | 19-4044 | 17-3031 |
| title | Hydrologic Technicians | Surveying and Mapping Technicians |
| onet code | 19-4044.00 | 17-3031.00 |
| description | Collect and organize data concerning the distribution and circulation of ground and surface water, and data on its physical, chemical, and biological properties. Measure and report on flow rates and ground water levels, maintain field equipment, collect water samples, install and collect sampling equipment, and process samples for shipment to testing laboratories. May collect data on behalf of hydrologists, engineers, developers, government agencies, or agriculture. | Perform surveying and mapping duties, usually under the direction of an engineer, surveyor, cartographer, or photogrammetrist, to obtain data used for construction, mapmaking, boundary location, mining, or other purposes. May calculate mapmaking information and create maps from source data, such as surveying notes, aerial photography, satellite data, or other maps to show topographical features, political boundaries, and other features. May verify accuracy and completeness of maps. |
| job zone | 3 | 3 |
| major group | 19 | 17 |
| tot emp | 2,940 | 56,720 |
| a mean | 64,410 | 56,890 |
| a median | 58,570 | 51,940 |
| a pct10 | 40,330 | 36,910 |
| a pct25 | 47,450 | 44,180 |
| a pct75 | 79,790 | 65,240 |
| a pct90 | 94,310 | 80,870 |
| h mean | 30 | 27 |
| h median | 28 | 24 |
The CertifyWize editorial team aggregates and verifies careers data from BLS OEWS 2024 + O*NET 29.0. Every statistic on this site is cross-referenced against the official source before publication, with quarterly re-verification cycles.
Read our full methodology or contact us with corrections.
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