registered non profit 501 c 3 organization founded 1996 headquarters dade city florida usa key people brett hemphill director & president andrew pitkin director michael poucher director jeff petersen director slogan reconnaissance exploration survey sampling website www.karstunderwaterresearch.org karst underwater research kur mission statement karst underwater research is a 501 c 3 which is dedicated to the preservation and protection of karst aquifers and the quality of their water by conducting relevant scientific research and documentation of karst aquifer surface features and corresponding underwater caverns and conduits . kur has been most noted in their exploration of weeki wachee springs twin dees phantom springs eagles nest cave florida coastal springs research weeki wachee twin dees exploration project edit in 2007 kur team found that weeki wachee springs is the deepest naturally formed spring in the united states at a depth of 407 feet . from may 22 until august 30 2007 the discharge level at weeki wachee spring dropped to a level that allowed for cave divers to gain effective entry into the cave system at the spring . the kur team successfully executed exploration dives and the necessary in water decompression to explore approximately 6 700 feet in multiple passages at an average depth of 265 feet fresh water ffw with a maximum depth of 407 ffw . 1 2 references edit weeki wachee spring . karstunderwaterresearch.org . karst underwater research . retrieved 2009 06 20 . neill logan ; anderson joel 2009 04 20 . cave divers explore deepest parts of weeki wachee springs . st. petersburg times . retrieved 2009 06 20 . external links edit karst underwater research official site retrieved from https en.wikipedia.org w index.php title karst underwater research & oldid 723183290 categories caving in the united statescave surveyingdiving organizationskarst navigation menu personal tools not logged intalkcontributionscreate accountlog in namespaces article talk variants views read edit view history more search navigation main pagecontentsfeatured contentcurrent eventsrandom articledonate to wikipediawikipedia store interaction helpabout wikipediacommunity portalrecent changescontact page tools what links hererelated changesupload filespecial pagespermanent linkpage informationwikidata itemcite this page print export create a bookdownload as pdfprintable version languages add links this page was last modified on 1 june 2016 at 14 45 . text is available under the creative commons attribution sharealike license ; additional terms may apply . by using this site you agree to the terms of use and privacy policy . wikipedia is a registered trademark of the wikimedia foundation inc. a non profit organization . privacy policy about wikipedia disclaimers contact wikipedia developers cookie statement mobile view