File:The coagulation and filtration processes at a drinking water treatment plant. (14868618507).jpg
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Summary
| Description | During filtration, water passes through filters, some made of layers of sand, gravel, and charcoal that help remove even smaller particles. Filtration and later chemical treatment (e.g., chlorine) played a role in reducing the number of waterborne disease outbreaks in the early 1900s. |
| Date | |
| Source | The coagulation and filtration processes at a drinking water treatment plant. |
| Author | USEPA Environmental-Protection-Agency |
Licensing
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This image (or other media) is a work of an Environmental Protection Agency employee, taken or made as part of that person's official duties. As works of the U.S. federal government, all EPA images are in the public domain.
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This image was originally posted to Flickr by usepagov at https://flickr.com/photos/24400159@N05/14868618507. It was reviewed on 1 October 2016 by FlickreviewR and was confirmed to be licensed under the terms of the United States Government Work. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 10:08, 1 October 2016 | | 3,008 × 1,960 (402 KB) | wikimediacommons>Vanished Account Byeznhpyxeuztibuo | Transferred from Flickr via Flickr2Commons |
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