Strontium

Riverhead WD

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	0.0623 ppb	12	12	0.0190 ppb - 0.150 ppb
2014	0.0570 ppb	12	12	0.0246 ppb - 0.0992 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
2013-09-18	201309200386AM	0.0460 ppb
2013-09-18	201309200390AM	0.0810 ppb
2013-09-18	201309200394AM	0.0620 ppb
2013-09-18	201309200392AM	0.150 ppb
2013-09-18	201309200382AM	0.0400 ppb
2013-09-18	201309200388AM	0.0780 ppb
2013-09-18	201309200398AM	0.0510 ppb
2013-09-18	201309200384AM	0.0480 ppb
2013-09-18	201309200396AM	0.0190 ppb
2013-09-20	201309240330AM	0.0480 ppb
2013-09-20	201309240332AM	0.0840 ppb
2013-09-20	201309240328AM	0.0400 ppb
2014-03-19	35131088007AM	0.0395 ppb
2014-03-19	35131088001AM	0.0366 ppb
2014-03-19	35131088003AM	0.0583 ppb
2014-03-19	35131088005AM	0.0992 ppb
2014-03-19	35131088009AM	0.0824 ppb
2014-03-21	35132089001AM	0.0491 ppb
2014-03-21	35132089006AM	0.0924 ppb
2014-03-21	35132089003AM	0.0246 ppb
2014-03-21	35132089005AM	0.0715 ppb
2014-03-26	35131983003AM	0.0374 ppb
2014-03-26	35131983001AM	0.0444 ppb
2014-03-28	35132127001AM	0.0480 ppb