{"id":587,"date":"2025-11-21T00:54:05","date_gmt":"2025-11-21T00:54:05","guid":{"rendered":"https:\/\/books.gw-project.org\/an-introduction-to-hydraulic-testing-in-hydrogeology\/?post_type=part&#038;p=587"},"modified":"2026-08-01T09:48:01","modified_gmt":"2026-08-01T09:48:01","slug":"part-2-slug-tests","status":"publish","type":"part","link":"https:\/\/books.gw-project.org\/an-introduction-to-hydraulic-testing-in-hydrogeology\/part\/part-2-slug-tests\/","title":{"raw":"PART 2: SLUG TESTS","rendered":"PART 2: SLUG TESTS"},"content":{"raw":"<div data-custom-style=\"Body Text\">\r\n<div data-custom-style=\"Body Text\"><\/div>\r\n<div data-custom-style=\"Body Text\">\r\n\r\nHydraulic testing of unpumped wells is most often accomplished by using slug\u2011test methods. Slug tests rapidly change the standing water level in a well and then record the rate of recovery as the perturbed water level returns to static. An advantage of this test is that it is easy to perform and is often completed within seconds or minutes.\r\n\r\n<\/div>\r\n<div class=\"bc-figure figure\" data-custom-style=\"Captioned Figure\"><img style=\"display: block; margin-left: auto; margin-right: auto; ;width: 5.83333in; height: 5.12362in;\" src=\"https:\/\/books.gw-project.org\/an-introduction-to-hydraulic-testing-in-hydrogeology\/wp-content\/uploads\/sites\/40\/2026\/08\/file106-2.jpg\" alt=\"\" \/>\r\n<div class=\"bc-figcaption figcaption\">\r\n<div data-custom-style=\"Image Caption\">\r\n\r\nThis photograph shows a solid weighted slug (capped white PVC pipe), pressure transducer recording box, and an electric tape used to conduct slug tests at the Naval Air Warfare Center in New Jersey, USA (USGS, 2014).\r\n\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<\/div>","rendered":"<div data-custom-style=\"Body Text\">\n<div data-custom-style=\"Body Text\"><\/div>\n<div data-custom-style=\"Body Text\">\n<p>Hydraulic testing of unpumped wells is most often accomplished by using slug\u2011test methods. Slug tests rapidly change the standing water level in a well and then record the rate of recovery as the perturbed water level returns to static. An advantage of this test is that it is easy to perform and is often completed within seconds or minutes.<\/p>\n<\/div>\n<div class=\"bc-figure figure\" data-custom-style=\"Captioned Figure\"><img decoding=\"async\" style=\"display: block; margin-left: auto; margin-right: auto; ;width: 5.83333in; height: 5.12362in;\" src=\"https:\/\/books.gw-project.org\/an-introduction-to-hydraulic-testing-in-hydrogeology\/wp-content\/uploads\/sites\/40\/2026\/08\/file106-2.jpg\" alt=\"\" \/><\/p>\n<div class=\"bc-figcaption figcaption\">\n<div data-custom-style=\"Image Caption\">\n<p>This photograph shows a solid weighted slug (capped white PVC pipe), pressure transducer recording box, and an electric tape used to conduct slug tests at the Naval Air Warfare Center in New Jersey, USA (USGS, 2014).<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"parent":0,"menu_order":16,"template":"","meta":{"pb_part_invisible":false,"pb_part_invisible_string":""},"contributor":[],"license":[],"class_list":["post-587","part","type-part","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/books.gw-project.org\/an-introduction-to-hydraulic-testing-in-hydrogeology\/wp-json\/pressbooks\/v2\/parts\/587","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/books.gw-project.org\/an-introduction-to-hydraulic-testing-in-hydrogeology\/wp-json\/pressbooks\/v2\/parts"}],"about":[{"href":"https:\/\/books.gw-project.org\/an-introduction-to-hydraulic-testing-in-hydrogeology\/wp-json\/wp\/v2\/types\/part"}],"version-history":[{"count":3,"href":"https:\/\/books.gw-project.org\/an-introduction-to-hydraulic-testing-in-hydrogeology\/wp-json\/pressbooks\/v2\/parts\/587\/revisions"}],"predecessor-version":[{"id":3542,"href":"https:\/\/books.gw-project.org\/an-introduction-to-hydraulic-testing-in-hydrogeology\/wp-json\/pressbooks\/v2\/parts\/587\/revisions\/3542"}],"wp:attachment":[{"href":"https:\/\/books.gw-project.org\/an-introduction-to-hydraulic-testing-in-hydrogeology\/wp-json\/wp\/v2\/media?parent=587"}],"wp:term":[{"taxonomy":"contributor","embeddable":true,"href":"https:\/\/books.gw-project.org\/an-introduction-to-hydraulic-testing-in-hydrogeology\/wp-json\/wp\/v2\/contributor?post=587"},{"taxonomy":"license","embeddable":true,"href":"https:\/\/books.gw-project.org\/an-introduction-to-hydraulic-testing-in-hydrogeology\/wp-json\/wp\/v2\/license?post=587"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}