Strontium

Iredell Water Corporation

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	0.104 ppb	22	22	0.0510 ppb - 0.290 ppb
2014	0.173 ppb	34	34	0.0500 ppb - 0.820 ppb
2015	0.115 ppb	34	34	0.0300 ppb - 0.230 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
2013-04-23	201304250468AM	0.0570 ppb
2013-04-23	201304250464AM	0.120 ppb
2013-04-23	201304250466AM	0.0560 ppb
2013-04-23	201304250457AM	0.120 ppb
2013-04-23	201304250427AM	0.290 ppb
2013-04-23	201304250512AM	0.0870 ppb
2013-04-23	201304250470AM	0.0960 ppb
2013-04-23	201304250500AM	0.0610 ppb
2013-04-23	201304250422AM	0.1000 ppb
2013-04-23	201304250510AM	0.140 ppb
2013-04-23	201304250497AM	0.130 ppb
2013-10-21	201310220199AM	0.0940 ppb
2013-10-21	201310220221AM	0.130 ppb
2013-10-21	201310220234AM	0.0980 ppb
2013-10-21	201310220213AM	0.0930 ppb
2013-10-21	201310220072AM	0.1000 ppb
2013-10-21	201310220063AM	0.1000 ppb
2013-10-21	201310220092AM	0.0510 ppb
2013-10-21	201310220101AM	0.0850 ppb
2013-10-21	201310220197AM	0.0840 ppb
2013-10-21	201310220149AM	0.0530 ppb
2013-10-21	201310220238AM	0.140 ppb
2014-04-28	201404290263AM	0.120 ppb
2014-04-28	201404290278AM	0.130 ppb
2014-04-28	201404290284AM	0.0780 ppb
2014-04-28	201404290241AM	0.0520 ppb
2014-04-28	201404290268AM	0.620 ppb
2014-04-28	201404290233AM	0.120 ppb
2014-04-28	201404290367AM	0.110 ppb
2014-04-28	201404290231AM	0.140 ppb
2014-04-28	201404290255AM	0.0970 ppb
2014-04-28	201404290245AM	0.110 ppb
2014-04-28	201404290270AM	0.180 ppb
2014-04-28	201404300415AM	0.160 ppb
2014-04-28	201404290292AM	0.240 ppb
2014-04-28	201404290222AM	0.140 ppb
2014-04-28	201404290225AM	0.140 ppb
2014-04-28	201404290276AM	0.0680 ppb
2014-04-28	201404290227AM	0.150 ppb
2014-10-28	201410290549AM	0.210 ppb
2014-10-28	201410290493AM	0.200 ppb
2014-10-28	201410290517AM	0.820 ppb
2014-10-28	201410290539AM	0.240 ppb
2014-10-28	201410290282AM	0.110 ppb
2014-10-28	201410290296AM	0.140 ppb
2014-10-28	201410290323AM	0.160 ppb
2014-10-28	201410290273AM	0.190 ppb
2014-10-28	201410290452AM	0.1000 ppb
2014-10-28	201410290436AM	0.0500 ppb
2014-10-28	201410290417AM	0.150 ppb
2014-10-28	201410290397AM	0.160 ppb
2014-10-28	201410290450AM	0.190 ppb
2014-10-28	201410290474AM	0.150 ppb
2014-10-28	201410290528AM	0.0710 ppb
2014-10-28	201410290495AM	0.190 ppb
2014-10-29	201410290343AM	0.0830 ppb
2015-04-13	201504140610AM	0.110 ppb
2015-04-13	201504140625AM	0.110 ppb
2015-04-13	201504140771AM	0.0300 ppb
2015-04-13	201504140775AM	0.0980 ppb
2015-04-13	201504140759AM	0.0800 ppb
2015-04-13	201504140693AM	0.150 ppb
2015-04-13	201504140657AM	0.150 ppb
2015-04-13	201504140689AM	0.110 ppb
2015-04-13	201504140766AM	0.110 ppb
2015-04-14	201504150407AM	0.140 ppb
2015-04-14	201504150443AM	0.0750 ppb
2015-04-14	201504150517AM	0.0620 ppb
2015-04-14	201504150526AM	0.220 ppb
2015-04-14	201504150376AM	0.0680 ppb
2015-04-14	201504150937AM	0.0850 ppb
2015-04-14	201504150912AM	0.220 ppb
2015-04-14	201504150541AM	0.110 ppb
2015-10-28	201510290362AM	0.0850 ppb
2015-10-28	201510300303AM	0.0800 ppb
2015-10-28	201510300260AM	0.0720 ppb
2015-10-28	201510290392AM	0.1000 ppb
2015-10-28	201510290416AM	0.110 ppb
2015-10-28	201510290276AM	0.0820 ppb
2015-10-28	201510290298AM	0.170 ppb
2015-10-28	201510290302AM	0.0730 ppb
2015-10-28	201510290342AM	0.180 ppb
2015-10-29	201510300305AM	0.150 ppb
2015-10-29	201510300307AM	0.0690 ppb
2015-10-29	201510300332AM	0.130 ppb
2015-10-29	201510300309AM	0.120 ppb
2015-10-29	201510300264AM	0.110 ppb
2015-10-29	201510300267AM	0.230 ppb
2015-10-29	201510300290AM	0.110 ppb
2015-10-29	201510300280AM	0.110 ppb