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EWG's Tap Water Database — 2021 UPDATE

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Aluminum

Marin Municipal Water District

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

MORE ABOUT THIS CONTAMINANT

 

136

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014ND120ND
2015ND120ND
2016ND280ND
2017ND280ND
2018ND280ND
2019ND280ND

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
2014-02-037747-004-1140ND
2014-02-037747-005-0845ND
2014-02-037747-011-0850ND
2014-05-057747-004-1125ND
2014-05-057747-005-1200ND
2014-05-057747-011-0915ND
2014-08-047747-004-1155ND
2014-08-047747-011-0940ND
2014-08-057747-005-1320ND
2014-11-037747-004-1350ND
2014-11-037747-005-1230ND
2014-11-037747-011-1240ND
2015-02-027747-004-1310ND
2015-02-027747-011-0750ND
2015-02-047747-005-0845ND
2015-05-047747-004-0945ND
2015-05-047747-005-0815ND
2015-05-047747-011-1325ND
2015-08-037747-004-0945ND
2015-08-037747-005-1320ND
2015-08-037747-011-1205ND
2015-11-027747-004-0920ND
2015-11-027747-005-0810ND
2015-11-027747-011-1155ND
2016-01-047747-004-1040ND
2016-01-047747-011-1220ND
2016-02-017747-004-0850ND
2016-02-017747-011-1205ND
2016-02-027747-005-1035ND
2016-03-087747-004-0825ND
2016-03-087747-011-1120ND
2016-04-047747-004-0905ND
2016-04-047747-011-1215ND
2016-05-021610-004-0840ND
2016-05-021610-004-1045ND
2016-05-027747-005-0840ND
2016-06-061610-011-0840ND
2016-06-061610-011-1115ND
2016-07-057747-004-1030ND
2016-07-057747-011-1120ND
2016-08-017747-004-0845ND
2016-08-017747-005-0800ND
2016-08-017747-011-1145ND
2016-09-067747-004-0840ND
2016-09-067747-011-1025ND
2016-10-037747-004-1030ND
2016-10-037747-011-1245ND
2016-11-077747-004-0925ND
2016-11-077747-005-0705ND
2016-11-077747-011-1150ND
2016-12-057747-004-1310ND
2016-12-057747-011-1125ND
2017-01-037747-004-1100ND
2017-01-037747-011-1150ND
2017-02-067747-004-1015ND
2017-02-067747-005-1035ND
2017-02-067747-011-0755ND
2017-03-067747-004-1155ND
2017-03-067747-011-0740ND
2017-04-037747-004-1055ND
2017-04-037747-011-0750ND
2017-05-017747-004-1150ND
2017-05-017747-005-0800ND
2017-05-017747-011-0750ND
2017-06-057747-004-0850ND
2017-06-057747-011-1135ND
2017-07-057747-004-1045ND
2017-07-057747-011-0830ND
2017-08-077747-004-1140ND
2017-08-077747-005-0800ND
2017-08-077747-011-0900ND
2017-09-057747-004-0900ND
2017-09-057747-011-1230ND
2017-10-027747-004-1135ND
2017-10-027747-011-0750ND
2017-11-067747-004-1200ND
2017-11-067747-005-0930ND
2017-11-067747-011-0920ND
2017-12-047747-004-1055ND
2017-12-047747-011-1250ND
2018-01-027747-004-0845ND
2018-01-027747-011-1215ND
2018-02-077747-004-1105ND
2018-02-077747-005-1245ND
2018-02-077747-011-0945ND
2018-03-057747-004-1005ND
2018-03-057747-011-1240ND
2018-04-027747-004-1000ND
2018-04-027747-011-0820ND
2018-05-077747-004-0905ND
2018-05-077747-005-0800ND
2018-05-077747-011-0920ND
2018-06-047747-004-1030ND
2018-06-047747-011-0840ND
2018-07-027747-004-0850ND
2018-07-027747-011-1030ND
2018-08-067747-004-0915ND
2018-08-067747-005-0810ND
2018-08-067747-011-1045ND
2018-09-047747-004-0840ND
2018-09-047747-011-1240ND
2018-10-017747-004-0930ND
2018-10-017747-011-1040ND
2018-11-057747-004-0845ND
2018-11-057747-005-0940ND
2018-11-057747-011-1045ND
2018-12-037747-004-1220ND
2018-12-037747-011-0916ND
2019-01-077747-004-0905ND
2019-01-077747-011-1120ND
2019-02-047747-004-1045ND
2019-02-047747-005-0930ND
2019-02-047747-011-1135ND
2019-03-047747-004-1045ND
2019-03-047747-011-1235ND
2019-04-017747-004-1030ND
2019-04-017747-011-1145ND
2019-05-067747-005-0730ND
2019-05-067747-011-0910ND
2019-05-097747-004-1050ND
2019-06-037747-011-1100ND
2019-06-067747-004-0855ND
2019-07-017747-004-0805ND
2019-07-017747-011-1015ND
2019-08-057747-004-1250ND
2019-08-057747-005-0730ND
2019-08-057747-011-0845ND
2019-09-037747-004-1140ND
2019-09-037747-011-0830ND
2019-10-077747-004-1215ND
2019-10-077747-011-0915ND
2019-11-047747-004-1240ND
2019-11-047747-005-0730ND
2019-11-047747-011-0810ND
2019-12-027747-004-1155ND
2019-12-027747-011-0840ND