Germanium

California American Water Company - Antelope

Germanium is a naturally occuring element used as a component in semiconductors and fiber optics. Excessive exposures to germanium may harm the kidneys.

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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	N/A	0	0	N/A
2015	N/A	0	0	N/A
2016	N/A	0	0	N/A
2017	N/A	0	0	N/A
2018	N/A	0	0	N/A
2019	0.197 ppb	10	4	ND - 0.640 ppb

ppb = parts per billion

All test results

Date	Lab ID	Result
2019-10-08	46875901	0.640 ppb
2019-10-09	46874901	ND
2019-10-09	46875101	0.480 ppb
2019-10-09	46875701	0.350 ppb
2019-10-10	46875001	ND
2019-10-10	46875501	ND
2019-10-10	46874801	ND
2019-10-10	46875601	ND
2019-10-14	46874701	ND
2019-10-14	46875801	0.500 ppb
2020-01-13	48114701	ND
2020-04-08	49651201	ND
2020-04-08	49651601	0.340 ppb
2020-04-08	49651501	0.320 ppb
2020-04-08	49651401	0.540 ppb
2020-04-08	49651301	ND
2020-04-08	49651101	0.630 ppb
2020-04-08	49651001	ND
2020-04-08	49650901	ND
2020-04-08	49650801	ND
2020-06-15	50464701	ND
2020-12-15	52805201	ND