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Project
![multicolored map of aquifers in the United States](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/search_result/public/thumbnails/image/LK00-CRK76-Fig1.jpg?itok=fLl_lA11)
National Water Quality Assessment Program -- Water-Quality Assessments of Principal Aquifers
Data Release
![Collage of images of an earthquake, scientists in flood with instruments, a volcano erupting, and seismic illustration.](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/search_result/public/media/images/newsletter-search-default-thumbnails-real-time-data_1.png?itok=cecyFJHW)