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EWG's Tap Water Database — 2021 UPDATE

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Aluminum

Montara Water and Sanitary District

Aluminum is a metal released from metal refineries and mining operations. Too much aluminum exposure can impair children's brain development.

 

44

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
201415.0 ppb101ND - 150.0 ppb
2015ND50ND
2016ND60ND
20176.56 ppb91ND - 59.0 ppb
2018ND90ND
2019ND50ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 600 ppb

The EWG Health Guideline of 600 ppb for aluminum was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against harm to the brain and nervous system.

ppb = parts per billion

All test results

Date Lab ID Result
2014-03-185810-008-1050ND
2014-03-185810-028-1110ND
2014-05-135810-028-0925ND
2014-08-275810-011-0900ND
2014-09-035810-028-1225ND
2014-12-025810-028-0940ND
2014-12-085810-003-1110ND
2014-12-085810-012-1035150.0 ppb
2014-12-085810-014-1030ND
2014-12-085810-015-1100ND
2015-03-035810-028-1015ND
2015-05-195810-028-0930ND
2015-08-175810-028-0910ND
2015-08-175810-001-0920ND
2015-11-125810-028-1020ND
2016-01-285810-011-0930ND
2016-03-145810-028-1005ND
2016-05-195810-010-1030ND
2016-05-315810-028-0940ND
2016-08-245810-028-0930ND
2016-11-075810-028-0905ND
2017-01-255810-008-093059.0 ppb
2017-02-015810-028-0930ND
2017-04-135810-028-1312ND
2017-07-205810-028-0815ND
2017-10-055810-028-1315ND
2017-11-085810-028-1235ND
2017-11-085810-003-0940ND
2017-11-085810-012-1025ND
2017-11-085810-014-0920ND
2018-01-315810-028-0925ND
2018-04-265810-028-1030ND
2018-07-235810-028-1110ND
2018-07-235810-001-1130ND
2018-07-235810-015-1120ND
2018-11-135810-028-1040ND
2018-11-155810-032-0835ND
2018-11-155810-031-0815ND
2018-11-155810-030-0900ND
2019-03-115810-028-1420ND
2019-04-165810-010-1020ND
2019-04-165810-028-0850ND
2019-08-065810-028-0825ND
2019-10-155810-028-0905ND