Strontium

Sacramento County Water Authority - Laguna/Vineyard

Strontium is a metal that accumulates in the bones. Radioactive strontium-90 can cause bone cancer and leukemia, and any form of strontium at high doses can harm bone health.

MORE ABOUT THIS CONTAMINANT

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	0.194 ppb	20	20	0.0450 ppb - 0.370 ppb
2014	0.190 ppb	24	24	0.0400 ppb - 0.500 ppb
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	N/A	0	0	N/A

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 1,500 ppb

The EWG Health Guideline of 1,500 ppb for strontium was defined by the Environmental Protection Agency as a benchmark for testing under the Unregulated Contaminant Monitoring Rule program. This health guideline protects against harm to bones.

ppb = parts per billion

All test results

Date	Lab ID	Result
2013-10-16	A3J0785-21A	0.370 ppb
2013-10-16	A3J0785-09A	0.300 ppb
2013-10-16	A3J0785-13A	0.340 ppb
2013-10-16	A3J0785-53A	0.150 ppb
2013-10-16	A3J0785-65A	0.0450 ppb
2013-10-16	A3J0785-61A	0.170 ppb
2013-10-16	A3J0785-41A	0.0590 ppb
2013-10-16	A3J0785-29A	0.160 ppb
2013-10-16	A3J0785-37A	0.250 ppb
2013-10-16	A3J0785-49A	0.120 ppb
2013-10-16	A3J0785-33A	0.180 ppb
2013-10-16	A3J0785-45A	0.130 ppb
2013-10-16	A3J0785-25A	0.140 ppb
2013-10-16	A3J0785-17A	0.370 ppb
2013-10-16	A3J0785-69A	0.170 ppb
2013-10-17	A3J0785-57A	0.360 ppb
2013-10-17	A3J0785-05A	0.320 ppb
2013-10-17	A3J0785-01A	0.0750 ppb
2013-10-17	A3J0785-75A	0.0930 ppb
2013-10-17	A3J0785-73A	0.0780 ppb
2014-03-26	A4C1008-01A	0.140 ppb
2014-03-26	A4C1008-05A	0.140 ppb
2014-04-15	A4D0298-76A	0.0400 ppb
2014-04-15	A4D0298-16A	0.370 ppb
2014-04-15	A4D0298-01A	0.340 ppb
2014-04-15	A4D0298-06A	0.500 ppb
2014-04-15	A4D0298-21A	0.380 ppb
2014-04-15	A4D0298-26A	0.140 ppb
2014-04-15	A4D0298-31A	0.170 ppb
2014-04-15	A4D0298-11A	0.400 ppb
2014-04-15	A4D0298-61A	0.150 ppb
2014-04-15	A4D0298-56A	0.130 ppb
2014-04-15	A4D0298-66A	0.160 ppb
2014-04-15	A4D0298-71A	0.170 ppb
2014-04-15	A4D0298-36A	0.160 ppb
2014-04-15	A4D0298-41A	0.270 ppb
2014-04-15	A4D0298-51A	0.140 ppb
2014-04-15	A4D0298-46A	0.0680 ppb
2014-04-15	A4D0298-81A	0.180 ppb
2014-04-15	A4D0298-86A	0.140 ppb
2014-04-16	A4C2254-06A	0.120 ppb
2014-04-16	A4C2254-01A	0.120 ppb
2014-07-09	A4F1957-01A	0.0680 ppb
2014-07-09	A4F1957-06A	0.0680 ppb