Typically met through successful completion of at least one college-level course in hydrology, geology, or a similar natural resource field covering surface and groundwater principles OR at least two years of water-related field work experience for a water district, canal company, irrigation district, agriculture or natural resource development industry, or natural resource management agency. Typically, this background is gained through successful completion of college coursework in Cartography, Geography, Geographic Information Systems (GIS), Geospatial Information, or a related technical or scientific field requiring interpretation of aerial photography or satellite imagery and use of GIS software; OR through at least 6 months of work experience interpreting aerial photography or satellite imagery and using GIS software as a regular part of the job.