Strontium

Crystal Clear WSC

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
2014	0.544 ppb	12	12	0.490 ppb - 0.623 ppb
2015	0.536 ppb	18	18	0.402 ppb - 0.635 ppb
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
2014-10-28	Q1454120001	0.571 ppb
2014-10-28	Q1454120005	0.617 ppb
2014-10-28	Q1454120003	0.499 ppb
2014-10-28	Q1454120007	0.577 ppb
2014-10-28	Q1454120013	0.529 ppb
2014-10-28	Q1454120015	0.532 ppb
2014-10-28	Q1454120009	0.553 ppb
2014-10-28	Q1454120011	0.524 ppb
2014-10-28	Q1454120021	0.623 ppb
2014-10-28	Q1454120017	0.504 ppb
2014-10-28	Q1454120019	0.490 ppb
2014-10-28	Q1454120023	0.514 ppb
2015-01-26	Q1502588003	0.445 ppb
2015-01-26	Q1502588009	0.575 ppb
2015-01-26	Q1502588001	0.402 ppb
2015-01-26	Q1502588011	0.595 ppb
2015-04-22	Q1514967009	0.558 ppb
2015-04-22	Q1514967011	0.503 ppb
2015-04-22	Q1514967003	0.509 ppb
2015-04-22	Q1514967007	0.551 ppb
2015-04-22	Q1514967005	0.635 ppb
2015-04-22	Q1514967013	0.553 ppb
2015-04-22	Q1514967015	0.559 ppb
2015-04-22	Q1514967001	0.603 ppb
2015-04-22	Q1514967017	0.603 ppb
2015-04-22	Q1514967019	0.627 ppb
2015-07-30	Q1529561009	0.492 ppb
2015-07-30	Q1529561007	0.492 ppb
2015-07-30	Q1529561003	0.479 ppb
2015-07-30	Q1529561001	0.461 ppb