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EWG's Tap Water Database — 2021 UPDATE

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Aluminum

Lake Arrowhead CSD

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

 

135

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
201410.3 ppb193ND - 72.0 ppb
20152.95 ppb211ND - 62.0 ppb
201611.2 ppb193ND - 99.0 ppb
201712.8 ppb317ND - 69.0 ppb
201831.8 ppb2110ND - 110.0 ppb
20192.08 ppb241ND - 50.0 ppb

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
2014-01-023761-002-0856ND
2014-02-053761-002-1205ND
2014-03-053761-002-0850ND
2014-05-073761-002-0832ND
2014-06-043761-002-0855ND
2014-06-263761-004-110372.0 ppb
2014-06-263761-004-110867.0 ppb
2014-07-023761-002-0915ND
2014-07-093761-002-0843ND
2014-07-093761-006-1216ND
2014-07-093761-007-1253ND
2014-07-093761-009-1238ND
2014-07-093761-010-1221ND
2014-07-093761-012-1228ND
2014-07-093761-013-1204ND
2014-08-063761-002-0910ND
2014-09-033761-002-0835ND
2014-10-013761-002-0932ND
2014-12-103761-002-075957.0 ppb
2015-01-073761-002-0820ND
2015-02-043761-002-0842ND
2015-03-043761-002-0916ND
2015-04-013761-002-0832ND
2015-04-223761-004-1110ND
2015-05-063761-002-0915ND
2015-05-203761-004-112862.0 ppb
2015-06-033761-002-0915ND
2015-07-013761-002-0902ND
2015-07-083761-002-1007ND
2015-07-083761-006-1047ND
2015-07-083761-007-1112ND
2015-07-083761-009-1105ND
2015-07-083761-011-1042ND
2015-07-083761-012-1056ND
2015-08-053761-002-0901ND
2015-08-123761-013-1010ND
2015-09-023761-002-0945ND
2015-10-073761-002-0900ND
2015-11-043761-002-0940ND
2015-12-023761-002-0818ND
2016-01-063761-002-0814ND
2016-02-103761-002-0902ND
2016-03-023761-002-0855ND
2016-04-063761-002-083953.0 ppb
2016-05-043761-002-0847ND
2016-06-013761-002-0815ND
2016-06-083761-004-1057ND
2016-07-063761-002-0819ND
2016-07-063761-004-113061.0 ppb
2016-07-133761-002-1302ND
2016-07-143761-006-1027ND
2016-07-143761-007-1052ND
2016-07-143761-009-1043ND
2016-07-143761-012-1033ND
2016-07-143761-013-1010ND
2016-08-033761-002-0000ND
2016-09-073761-002-0735ND
2016-10-053761-002-0840ND
2016-10-193761-004-093099.0 ppb
2017-01-113761-004-090250.0 ppb
2017-02-013761-004-0950ND
2017-02-233761-002-1015ND
2017-02-233761-004-0900ND
2017-03-013761-002-0819ND
2017-04-053761-002-084051.0 ppb
2017-04-193761-002-0955ND
2017-04-193761-005-0921ND
2017-05-033761-004-0826ND
2017-06-073761-002-0829ND
2017-06-073761-002-1221ND
2017-06-073761-005-0924ND
2017-06-073761-604-1152ND
2017-07-053761-002-090657.0 ppb
2017-07-123761-004-102054.0 ppb
2017-07-183761-002-113657.0 ppb
2017-07-193761-006-0920ND
2017-07-193761-007-0905ND
2017-07-193761-009-0837ND
2017-07-193761-012-0936ND
2017-07-193761-013-0917ND
2017-07-193761-013-1011ND
2017-08-023761-002-074159.0 ppb
2017-08-023761-004-0940ND
2017-09-063761-002-0900ND
2017-09-063761-002-0950ND
2017-09-063761-004-1158ND
2017-09-063761-004-1204ND
2017-09-063761-604-1315ND
2017-10-043761-004-0816ND
2017-12-063761-004-100069.0 ppb
2018-01-033761-004-0955ND
2018-02-143761-004-0916ND
2018-02-143761-004-0925ND
2018-03-073761-004-091752.0 ppb
2018-04-043761-004-1016ND
2018-05-023761-004-103555.0 ppb
2018-05-233761-007-0930ND
2018-06-063761-004-092579.0 ppb
2018-07-113761-006-0944ND
2018-07-113761-012-095551.0 ppb
2018-07-113761-013-0917ND
2018-07-113761-013-0932ND
2018-07-303761-002-141176.0 ppb
2018-08-013761-004-094052.0 ppb
2018-08-083761-002-0740ND
2018-08-153761-002-085568.0 ppb
2018-09-043761-002-092074.0 ppb
2018-09-043761-004-0950ND
2018-10-033761-004-093050.0 ppb
2018-11-073761-004-1000110.0 ppb
2018-12-053761-004-1005ND
2019-01-023761-004-1050ND
2019-02-063761-004-1005ND
2019-02-273761-004-1000ND
2019-03-063761-004-0958ND
2019-04-033761-002-0900ND
2019-05-013761-002-0945ND
2019-06-053761-002-0810ND
2019-07-023761-002-0850ND
2019-07-023761-004-1025ND
2019-07-103761-002-0843ND
2019-07-173761-006-1018ND
2019-07-173761-009-1030ND
2019-07-173761-012-1025ND
2019-07-173761-013-1000ND
2019-08-073761-002-0752ND
2019-08-073761-004-0940ND
2019-09-043761-002-1053ND
2019-09-043761-004-0957ND
2019-10-023761-002-0855ND
2019-10-023761-004-0945ND
2019-11-063761-002-1022ND
2019-11-063761-004-1028ND
2019-12-033761-002-132050.0 ppb
2019-12-033761-004-1355ND