Strontium

Mandeville Water Supply

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	0.00547 ppb	12	12	0.00350 ppb - 0.00690 ppb
2014	0.00586 ppb	12	12	0.00390 ppb - 0.00700 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
2013-10-28	35113914013AM	0.00370 ppb
2013-10-28	35113914023AM	0.00680 ppb
2013-10-28	35113914021AM	0.00350 ppb
2013-10-28	35113914011AM	0.00430 ppb
2013-10-28	35113914015AM	0.00690 ppb
2013-10-28	35113914007AM	0.00590 ppb
2013-10-28	35113914005AM	0.00570 ppb
2013-12-20	35120762005AM	0.00480 ppb
2013-12-20	35120762007AM	0.00630 ppb
2013-12-20	35120762001AM	0.00580 ppb
2013-12-20	35120762003AM	0.00610 ppb
2013-12-20	35120762009AM	0.00580 ppb
2014-04-21	35135198017AM	0.00600 ppb
2014-04-21	35135198019AM	0.00620 ppb
2014-04-21	35135198015AM	0.00390 ppb
2014-04-21	35135198013AM	0.00580 ppb
2014-04-21	35135198009AM	0.00620 ppb
2014-04-21	35135198011AM	0.00510 ppb
2014-04-21	35135198021AM	0.00640 ppb
2014-04-21	35135198007AM	0.00620 ppb
2014-04-21	35135198005AM	0.00540 ppb
2014-04-21	35135198003AM	0.00570 ppb
2014-04-21	35135198001AM	0.00640 ppb
2014-04-28	35135978001AM	0.00700 ppb