Strontium

Water Authority of Western Nassau

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	0.0861 ppb	10	10	0.0196 ppb - 0.135 ppb
2015	0.0849 ppb	15	15	0.0158 ppb - 0.132 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
2014-12-23	35169517013AM	0.0289 ppb
2014-12-23	35169517001AM	0.0963 ppb
2014-12-23	35169517007AM	0.117 ppb
2014-12-23	35169517003AM	0.110 ppb
2014-12-23	35169517005AM	0.0196 ppb
2014-12-23	35169517011AM	0.135 ppb
2014-12-23	35169517009AM	0.0953 ppb
2014-12-29	35169790003AM	0.110 ppb
2014-12-29	35169790001AM	0.0907 ppb
2014-12-29	35169790005AM	0.0584 ppb
2015-06-25	35195584001AM	0.0158 ppb
2015-06-25	35195584003AM	0.118 ppb
2015-07-21	35200053013AM	0.0280 ppb
2015-07-21	35200053007AM	0.0208 ppb
2015-07-21	35200053003AM	0.0890 ppb
2015-07-21	35200053005AM	0.113 ppb
2015-07-23	35200053009AM	0.118 ppb
2015-07-23	35200053001AM	0.0915 ppb
2015-07-27	35200053017AM	0.0937 ppb
2015-07-27	35200053015AM	0.116 ppb
2015-07-27	35200053019AM	0.0721 ppb
2015-08-20	35203738001AM	0.130 ppb
2015-09-17	35208589003AM	0.132 ppb
2015-11-12	35216561003AM	0.0162 ppb
2015-11-12	35216561001AM	0.119 ppb