Strontium

City of Jacksonville

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	0.0473 ppb	19	19	0.0270 ppb - 0.0690 ppb
2015	0.0530 ppb	3	3	0.0400 ppb - 0.0690 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
2014-05-14	201405160299AM	0.0640 ppb
2014-05-14	201405160361AM	0.0440 ppb
2014-05-14	201405160373AM	0.0270 ppb
2014-05-14	201405160319AM	0.0320 ppb
2014-05-14	201405160321AM	0.0440 ppb
2014-05-14	201405160434AM	0.0380 ppb
2014-05-14	201405160371AM	0.0350 ppb
2014-05-14	201405160323AM	0.0430 ppb
2014-08-21	201408220513AM	0.0600 ppb
2014-08-21	201408220547AM	0.0440 ppb
2014-11-18	201411190298AM	0.0680 ppb
2014-11-18	201411190586AM	0.0420 ppb
2014-11-18	201411190427AM	0.0690 ppb
2014-11-18	201411190197AM	0.0410 ppb
2014-11-18	201411190579AM	0.0570 ppb
2014-11-18	201411190466AM	0.0290 ppb
2014-11-18	201411190411AM	0.0640 ppb
2014-11-18	201411190314AM	0.0340 ppb
2014-11-18	201411190272AM	0.0630 ppb
2015-02-26	201502270152AM	0.0400 ppb
2015-02-26	201502270193AM	0.0500 ppb
2015-02-26	201502270199AM	0.0690 ppb