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EWG's Tap Water Database — 2019 UPDATE

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Lithium

Washington Aqueduct Division

Lithium occurs naturally in soil and rock. It is a pollutant from mining and industrial manufacturing of metals, ceramics and batteries. Ingesting too much lithium can lead to symptoms like abdominal pain, diarrhea, nausea and vomiting.

 

143

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20121.85 ppb24241.20 ppb - 2.70 ppb
20132.06 ppb24241.40 ppb - 3.10 ppb
20141.60 ppb24241.20 ppb - 2.30 ppb
20151.71 ppb24241.20 ppb - 2.60 ppb
20161.90 ppb24241.10 ppb - 2.80 ppb
20172.10 ppb23231.50 ppb - 2.50 ppb

ppb = parts per billion

All test results

Date Lab ID Result
2012-01-01Dalecarlia1.30 ppb
2012-01-01McMillan1.30 ppb
2012-02-01Dalecarlia1.70 ppb
2012-02-01McMillan1.50 ppb
2012-03-01Dalecarlia2.10 ppb
2012-03-01McMillan1.80 ppb
2012-04-01Dalecarlia1.90 ppb
2012-04-01McMillan1.50 ppb
2012-05-01Dalecarlia2.20 ppb
2012-05-01McMillan2.40 ppb
2012-06-01Dalecarlia1.60 ppb
2012-06-01McMillan1.40 ppb
2012-07-01Dalecarlia2.30 ppb
2012-07-01McMillan2.20 ppb
2012-08-01Dalecarlia2.70 ppb
2012-08-01McMillan2.40 ppb
2012-09-01Dalecarlia2.40 ppb
2012-09-01McMillan2.30 ppb
2012-10-01Dalecarlia1.60 ppb
2012-10-01McMillan1.80 ppb
2012-11-01Dalecarlia1.20 ppb
2012-11-01McMillan1.30 ppb
2012-12-01Dalecarlia1.60 ppb
2012-12-01McMillan1.80 ppb
2013-01-01Dalecarlia1.60 ppb
2013-01-01McMillan1.70 ppb
2013-02-01Dalecarlia1.40 ppb
2013-02-01McMillan1.40 ppb
2013-03-01Dalecarlia1.50 ppb
2013-03-01McMillan1.60 ppb
2013-04-01Dalecarlia2.00 ppb
2013-04-01McMillan1.70 ppb
2013-05-01Dalecarlia2.00 ppb
2013-05-01McMillan1.70 ppb
2013-06-01Dalecarlia2.20 ppb
2013-06-01McMillan2.10 ppb
2013-07-01Dalecarlia2.40 ppb
2013-07-01McMillan2.30 ppb
2013-08-01Dalecarlia2.40 ppb
2013-08-01McMillan2.30 ppb
2013-09-01Dalecarlia3.00 ppb
2013-09-01McMillan2.70 ppb
2013-10-01Dalecarlia2.80 ppb
2013-10-01McMillan3.10 ppb
2013-11-01Dalecarlia2.00 ppb
2013-11-01McMillan1.70 ppb
2013-12-01Dalecarlia1.80 ppb
2013-12-01McMillan2.00 ppb
2014-01-01Dalecarlia1.30 ppb
2014-01-01McMillan1.20 ppb
2014-02-01Dalecarlia1.60 ppb
2014-02-01McMillan1.60 ppb
2014-03-01Dalecarlia1.50 ppb
2014-03-01McMillan1.40 ppb
2014-04-01Dalecarlia1.50 ppb
2014-04-01McMillan1.40 ppb
2014-05-01Dalecarlia1.20 ppb
2014-05-01McMillan1.20 ppb
2014-06-01Dalecarlia1.30 ppb
2014-06-01McMillan1.40 ppb
2014-07-01Dalecarlia1.50 ppb
2014-07-01McMillan1.30 ppb
2014-08-01Dalecarlia1.70 ppb
2014-08-01McMillan1.60 ppb
2014-09-01Dalecarlia2.30 ppb
2014-09-01McMillan1.90 ppb
2014-10-01Dalecarlia2.10 ppb
2014-10-01McMillan2.10 ppb
2014-11-01Dalecarlia1.90 ppb
2014-11-01McMillan1.70 ppb
2014-12-01Dalecarlia1.70 ppb
2014-12-01McMillan1.90 ppb
2015-01-01Dalecarlia1.40 ppb
2015-01-01McMillan1.30 ppb
2015-02-01Dalecarlia1.40 ppb
2015-02-01McMillan1.30 ppb
2015-03-01Dalecarlia1.60 ppb
2015-03-01McMillan1.60 ppb
2015-04-01Dalecarlia1.40 ppb
2015-04-01McMillan1.20 ppb
2015-05-01Dalecarlia1.70 ppb
2015-05-01McMillan1.70 ppb
2015-06-01Dalecarlia2.00 ppb
2015-06-01McMillan1.60 ppb
2015-07-01Dalecarlia1.30 ppb
2015-07-01McMillan1.50 ppb
2015-08-01Dalecarlia2.00 ppb
2015-08-01McMillan1.60 ppb
2015-09-01Dalecarlia2.60 ppb
2015-09-01McMillan2.10 ppb
2015-10-01Dalecarlia1.80 ppb
2015-10-01McMillan2.40 ppb
2015-11-01Dalecarlia1.80 ppb
2015-11-01McMillan2.30 ppb
2015-12-01Dalecarlia1.60 ppb
2015-12-01McMillan1.80 ppb
2016-01-01Dalecarlia1.10 ppb
2016-01-01McMillan1.10 ppb
2016-02-01Dalecarlia1.20 ppb
2016-02-01McMillan1.20 ppb
2016-03-01Dalecarlia1.10 ppb
2016-03-01McMillan1.20 ppb
2016-04-01Dalecarlia1.60 ppb
2016-04-01McMillan1.40 ppb
2016-05-01Dalecarlia2.00 ppb
2016-05-01McMillan2.00 ppb
2016-06-01Dalecarlia1.90 ppb
2016-06-01McMillan2.10 ppb
2016-07-01Dalecarlia1.80 ppb
2016-07-01McMillan1.50 ppb
2016-08-01Dalecarlia2.50 ppb
2016-08-01McMillan2.30 ppb
2016-09-01Dalecarlia2.10 ppb
2016-09-01McMillan1.90 ppb
2016-10-01Dalecarlia2.50 ppb
2016-10-01McMillan2.70 ppb
2016-11-01Dalecarlia2.50 ppb
2016-11-01McMillan2.40 ppb
2016-12-01Dalecarlia2.70 ppb
2016-12-01McMillan2.80 ppb
2017-01-01Dalecarlia2.30 ppb
2017-01-01McMillan2.50 ppb
2017-02-01Dalecarlia1.90 ppb
2017-02-01McMillan2.20 ppb
2017-03-01Dalecarlia2.10 ppb
2017-03-01McMillan2.00 ppb
2017-04-01Dalecarlia1.90 ppb
2017-04-01McMillan1.70 ppb
2017-05-01Dalecarlia2.10 ppb
2017-05-01McMillan1.80 ppb
2017-06-01Dalecarlia1.80 ppb
2017-06-01McMillan1.80 ppb
2017-07-01Dalecarlia2.30 ppb
2017-07-01McMillan2.40 ppb
2017-08-01Dalecarlia2.10 ppb
2017-08-01McMillan1.90 ppb
2017-09-01Dalecarlia2.50 ppb
2017-09-01McMillan1.50 ppb
2017-10-01Dalecarlia2.50 ppb
2017-10-01McMillan2.10 ppb
2017-11-01Dalecarlia2.50 ppb
2017-11-01McMillan2.50 ppb
2017-12-01Dalecarlia1.90 ppb