Aluminum

City of Upland

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

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Samples

Samples exceeding legal limit (MCL)

Samples exceeding
health guidelines

Testing results - average by year

Year	Average result	Samples taken	Detections	Range of results
2013	N/A	0	0	N/A
2014	14.5 ppb	11	1	ND - 160.0 ppb
2015	N/A	0	0	N/A
2016	N/A	0	0	N/A
2017	79.0 ppb	10	2	ND - 560.0 ppb
2018	N/A	0	0	N/A
2019	211.7 ppb	6	6	150.0 ppb - 310.0 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
2014-09-25	9590-048-0920	ND
2014-09-25	9590-045-1235	ND
2014-09-25	9590-040-0930	ND
2014-09-25	9590-038-0850	ND
2014-09-25	9590-036-0750	ND
2014-09-25	9590-026-1000	ND
2014-09-25	9590-024-1240	ND
2014-09-25	9590-023-1027	ND
2014-09-25	9590-021-1000	ND
2014-10-07	9590-047-0920	ND
2014-10-07	9590-004-0812	160.0 ppb
2017-02-02	9590-001-1110	ND
2017-08-21	9590-036-0815	560.0 ppb
2017-08-23	9590-038-1055	ND
2017-08-23	9590-045-0815	ND
2017-08-23	9590-040-0945	ND
2017-08-23	9590-026-1215	ND
2017-08-23	9590-024-0915	ND
2017-08-23	9590-023-1110	ND
2017-08-23	9590-021-0831	ND
2017-12-05	9590-004-1000	230.0 ppb
2019-04-09	9590-004-0820	210.0 ppb
2019-06-04	9590-004-0817	150.0 ppb
2019-10-01	9590-004-1026	180.0 ppb
2019-11-05	9590-004-1515	310.0 ppb
2019-12-03	9590-004-0950	200.0 ppb
2019-12-17	9590-004-0850	220.0 ppb