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EWG's Tap Water Database — 2021 UPDATE

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Iodine-131

City of Brady Water System

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.

 

13

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND40ND
2015ND40ND
2016ND40ND
2017ND10ND
2018N/A00N/A
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2014-02-20AC44014ND
2014-04-24AC51672ND
2014-07-09AC59283ND
2014-11-19AC72631ND
2015-02-11AC80163ND
2015-06-09AC95122ND
2015-08-10AD03198ND
2015-11-02AD12151ND
2016-01-25AD19614ND
2016-04-07AD32257ND
2016-07-14AD44210ND
2016-10-20AD54020ND
2017-03-02AD73060ND