Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Bromomethane

Cal/Am Water Company - San Marino

Bromomethane, or methyl bromide, is a pesticide fumigant that was banned because it depletes the ozone layer.

MORE ABOUT THIS CONTAMINANT

 

82

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND260ND
2015ND90ND
2016ND170ND
2017ND80ND
2018ND60ND
2019ND160ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-03-109588-007-0950ND
2014-05-1225566601ND
2014-05-1325566401ND
2014-05-1325566701ND
2014-05-1325566901ND
2014-05-1325567001ND
2014-05-1425567301ND
2014-05-1425566801ND
2014-05-1925566501ND
2014-06-029588-032-1010ND
2014-07-1425566301ND
2014-08-1226624501ND
2014-09-039588-010-0900ND
2014-09-039588-011-0945ND
2014-09-039588-017-0915ND
2014-09-039588-020-1000ND
2014-09-039588-023-1020ND
2014-11-0427434901ND
2014-11-0527435301ND
2014-11-0527435701ND
2014-11-1027435001ND
2014-11-1027435401ND
2014-11-1227435201ND
2014-11-1227435101ND
2014-11-1227434801ND
2014-11-2427797001ND
2015-02-0228247101ND
2015-03-209588-007-0715ND
2015-03-209590-007-0920ND
2015-06-049588-032-1000ND
2015-09-089588-023-0950ND
2015-09-089588-020-0935ND
2015-09-089588-011-1020ND
2015-09-089588-017-1035ND
2015-09-089588-010-0915ND
2016-03-029588-007-0915ND
2016-06-099588-032-1005ND
2016-08-309590-044-0945ND
2016-09-079588-017-1020ND
2016-09-079588-011-1105ND
2016-09-079588-023-1120ND
2016-09-079588-010-0945ND
2016-09-079588-020-1130ND
2016-09-279590-044-0940ND
2016-10-039590-044-0945ND
2016-10-109590-044-0945ND
2016-10-179590-044-1015ND
2016-10-249590-044-1010ND
2016-11-019590-044-1150ND
2016-11-079590-044-0850ND
2016-11-149590-044-0830ND
2016-11-219590-044-0930ND
2017-03-019588-007-0900ND
2017-05-159590-044-0930ND
2017-05-159590-049-0930ND
2017-06-089588-032-1045ND
2017-09-209588-020-1010ND
2017-09-209588-017-0920ND
2017-09-209588-010-0900ND
2017-09-209588-023-0955ND
2018-01-049590-007-1000ND
2018-03-069588-007-0920ND
2018-06-149588-032-1100ND
2018-09-209588-023-1020ND
2018-09-209588-020-1040ND
2018-09-209588-017-0950ND
2019-03-199588-007-1025ND
2019-05-139588-017-1015ND
2019-05-139588-023-0945ND
2019-05-139588-020-0930ND
2019-05-139588-032-0955ND
2019-05-159590-006-1130ND
2019-05-159590-029-0845ND
2019-05-159590-044-0925ND
2019-06-189588-011-1005ND
2019-08-079588-011-1000ND
2019-08-269588-010-0945ND
2019-10-049590-049-1005ND
2019-10-049590-044-0958ND
2019-12-239590-044-0830ND
2019-12-239590-049-0830ND
2019-12-319590-049-0931ND