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EWG's Tap Water Database — 2021 UPDATE

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Iodine-131

Millersview-doole Water Supply Corporation

Iodine-131 is a radioactive chemical used in medical applications. It is present in the environment due to radioactive fallout from nuclear power station accidents and nuclear weapons testing. Click here to read more on radiological contaminants.

MORE ABOUT THIS CONTAMINANT

 

37

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND80ND
2015ND80ND
2016ND80ND
2017ND40ND
2018ND40ND
2019ND50ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-02-27AC44987ND
2014-02-27AC44986ND
2014-04-22AC51343ND
2014-04-22AC51342ND
2014-09-17AC67251ND
2014-09-17AC67250ND
2014-11-18AC72630ND
2014-11-18AC72632ND
2015-02-03AC79425ND
2015-02-03AC79426ND
2015-05-19AC92510ND
2015-05-19AC92511ND
2015-09-28AD08870ND
2015-09-28AD08871ND
2015-11-03AD12319ND
2015-11-03AD12320ND
2016-02-17AD24236ND
2016-02-17AD24237ND
2016-05-18AD37194ND
2016-05-18AD37193ND
2016-07-21AD45146ND
2016-07-21AD45147ND
2016-12-01AD59811ND
2016-12-01AD59812ND
2017-03-01AD73059ND
2017-05-17AD84797ND
2017-07-27AD91029ND
2017-11-02AE03388ND
2018-02-22AE14995ND
2018-05-15AE26327ND
2018-07-18AE33707ND
2018-11-13AE46204ND
2019-03-07AE57559ND
2019-05-08AE65367ND
2019-08-01AE76746ND
2019-08-01AE76745ND
2019-12-11AE92107ND