Editing Methyl tert-butyl ether (section)

===Cleanup costs and litigation===
MTBE removal from groundwater and [[soil contamination]] in the U.S. was estimated to cost from $1 [[1000000000 (number)|billion]]<ref>{{cite web |url=http://www.sigma.org/wr/reports/05/050523.html |title=MTBE Cleanup Estimates |author=<!--Not stated--> |date=2005-05-23 |website=SIGMA Weekly Report |publisher=Society of Independent Gasoline Marketers of America (SIGMA) |location=Fairfax, VA |archive-url=https://web.archive.org/web/20091009071418/http://www.sigma.org/wr/reports/05/050523.html |archive-date=2009-10-09}}</ref> to US$30 [[billion]],<ref>{{cite web |url=http://www.mtbe-eresource.com/liu.cfm |title=Long Island Utility Fighting to Defeat MTBE Safe Harbor |author=<!--Not stated--> |date=2004-03-16 |website=The MTBE e-Resource |publisher=Napoli Bern, LLP |location=New York, NY |archive-url=https://web.archive.org/web/20071020072714/http://www.mtbe-eresource.com/liu.cfm |archive-date=2007-10-20}}</ref> including removing the compound from aquifers and municipal water supplies and replacing leaky underground oil tanks. In one case, the cost to oil companies to clean up the MTBE in wells belonging to the city of [[Santa Monica, California]] was estimated to exceed $200 million.<ref>{{cite web |url=http://www.ens-newswire.com/ens/feb2005/2005-02-17-09.html |title=Oil Companies Pay Santa Monica MTBE Cleanup Costs |author=<!--Not stated--> |date=2005-02-17 |website=Environment News Service |publisher=Ecology Prime Media, Inc.}}</ref> In another case, [[New York City]] estimated a $250 million cost for cleanup of a single wellfield in the borough of [[Queens, New York|Queens]] in 2009.<ref>{{cite news| url=https://www.nytimes.com/2009/10/20/science/earth/20exxon.html |work=The New York Times |title=City Awarded $105 Million in Exxon Mobil Lawsuit |first=Mireya |last=Navarro |date=2009-10-20 | access-date=2010-05-12}}</ref> In 2013 a jury awarded the State of [[New Hampshire]] $236 million in damages in order to treat groundwater contaminated by MTBE.<ref>{{cite news |url=https://www.bloomberg.com/news/2013-04-09/exxon-mobile-is-found-neligent-in-new-hampshire-mtbe-use.html |work=Bloomberg |title=Exxon Mobil is Found Negligent in New Hampshire MTBE Use |first=Sarah |last=Earle |date=2013-04-09}}</ref>

Many lawsuits are still pending regarding MTBE contamination of public and private drinking water supplies.