Download a PDF with all the pages from the Aquifer section here. Download PDF of map with explanation [1.7MB PDF]. If you’d like a reply, please provide an email address. Our groundwater-related reports for the state can be found by typing in a search name in a text-based application or by using a map-based search application. To use the Environmental Information System EIM Groundwater Map Search's report finder, zoom to your area of interest using the map zoom tools. *: Which best describes your role in visiting our site today? There are two main methods for finding groundwater-related reports collected by the state: text-based searches and map-based searches. Environmental Health Like Us on Facebook. In this map, a principal aquifer is defined as a regionally extensive aquifer or aquifer system that has the … 2484x1570 / 2,48 Mb Go to Map. Aquifer Extent Map. National Geographic Information Systems (GIS) layer of SSAs . Select sites which meet all of the following criteria: Define one or more values for each of the following site-selection criteria: --- or select new criteria? Water *: Which best describes your role in visiting our site today? It provides drinking water for some 700,000 people. Aquifers of Alluvial and Glacial Origin north of the line of continental glaciation. 2000x1387 / 369 Kb Go to Map. This dataset, published in 2003, contains the shallowest principal aquifers of the conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, portrayed as polygons. The principal aquifers map was published in 2003 as a wall map: The Aquifer Basics web site provides a general overview and maps of the principal aquifers of the United states by rock type and via alphabetical list. Privacy There are two main methods for finding groundwater-related reports collected by the state: text-based searches and map-based searches. For First Responders; The Aquifer Atlas; Studies & Reports; What is an Aquifer? Once you've set your search criteria, click on the map, and a table with the publications that meet your criteria will show up at the bottom of the screen. USGS maintains a network of active wells to provide basic statistics about groundwater levels. USGS Groundwater Information > Data > Aquifers > Map. 360-407-6768. Information on sole source aquifers (SSAs) is widely used in assessments under the National Environmental Policy Act and at the state and local level. Washington county map. Laurie Morgan *: Copyright © Washington State Department of Ecology. Were you able to find what you were looking for today?