Strontium

Cliffdale West

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	0.0191 ppb	99	97	ND - 0.110 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
2014-03-10	201403110248AM	0.00260 ppb
2014-03-10	201403110323AM	0.110 ppb
2014-03-10	201403110485AM	0.0110 ppb
2014-03-10	201403110492AM	0.0120 ppb
2014-03-11	201403120601AM	0.00940 ppb
2014-03-11	201403121138AM	0.00730 ppb
2014-03-11	201403120774AM	0.0150 ppb
2014-03-11	201403120770AM	0.0760 ppb
2014-03-12	201403130414AM	0.1000 ppb
2014-03-12	201403130412AM	0.00330 ppb
2014-03-12	201403130416AM	0.00820 ppb
2014-03-13	201403130209AM	0.00720 ppb
2014-03-13	201403140164AM	0.00790 ppb
2014-03-13	201403140170AM	0.00850 ppb
2014-03-13	201403140275AM	0.0120 ppb
2014-03-17	201403180201AM	0.01000 ppb
2014-03-17	201403180203AM	0.0120 ppb
2014-03-17	201403180227AM	0.0130 ppb
2014-03-18	201403190651AM	0.01000 ppb
2014-03-18	201403190657AM	0.00900 ppb
2014-03-18	201403190640AM	0.0110 ppb
2014-03-18	201403190659AM	0.00930 ppb
2014-03-18	201403190653AM	0.00310 ppb
2014-03-18	201403190634AM	0.00690 ppb
2014-03-18	201403190705AM	0.0730 ppb
2014-03-19	201403200250AM	0.00840 ppb
2014-03-19	201403200273AM	0.00960 ppb
2014-03-19	201403200581AM	0.00950 ppb
2014-03-24	201403250156AM	0.00830 ppb
2014-03-25	201403260356AM	0.00900 ppb
2014-03-25	201403260305AM	0.00530 ppb
2014-03-25	201403260283AM	0.00840 ppb
2014-03-25	201403260307AM	0.00740 ppb
2014-03-31	201404010144AM	0.00270 ppb
2014-03-31	201404010147AM	0.00980 ppb
2014-04-08	201404090755AM	0.00330 ppb
2014-04-08	201404090616AM	0.00360 ppb
2014-04-08	201404090599AM	0.1000 ppb
2014-04-08	201404090604AM	0.0140 ppb
2014-04-09	201404100654AM	0.0990 ppb
2014-04-09	201404100643AM	0.0120 ppb
2014-04-09	201404100632AM	0.00670 ppb
2014-04-09	201404100603AM	0.00950 ppb
2014-04-30	201405020280AM	0.00270 ppb
2014-04-30	201405020286AM	0.00620 ppb
2014-04-30	201405020273AM	0.00620 ppb
2014-04-30	201405020282AM	0.0250 ppb
2014-09-09	201409110337AM	0.00320 ppb
2014-09-09	201409100887AM	0.00760 ppb
2014-09-09	201409100869AM	0.0180 ppb
2014-09-09	201409100871AM	0.00820 ppb
2014-09-09	201409101002AM	0.0150 ppb
2014-09-09	201409100817AM	0.0140 ppb
2014-09-09	201409110315AM	0.00310 ppb
2014-09-09	201409100791AM	0.00930 ppb
2014-09-10	201409110794AM	0.0120 ppb
2014-09-10	201409110838AM	0.01000 ppb
2014-09-10	201409110899AM	0.0890 ppb
2014-09-10	201409110661AM	ND
2014-09-10	201409110590AM	0.00590 ppb
2014-09-10	201409110637AM	0.0140 ppb
2014-09-10	201409110653AM	0.00140 ppb
2014-09-11	201409120829AM	0.00680 ppb
2014-09-11	201409120590AM	0.00360 ppb
2014-09-11	201409120582AM	0.0200 ppb
2014-09-15	201409180321AM	0.00830 ppb
2014-09-16	201409170728AM	0.00580 ppb
2014-09-17	201409180633AM	0.110 ppb
2014-09-17	201409190313AM	0.00420 ppb
2014-09-17	201409190242AM	0.00930 ppb
2014-09-17	201409190284AM	0.00560 ppb
2014-09-18	201409190399AM	0.00660 ppb
2014-09-18	201409190466AM	0.0160 ppb
2014-09-18	201409190458AM	0.00930 ppb
2014-09-18	201409190445AM	0.0990 ppb
2014-09-18	201409190404AM	0.00880 ppb
2014-09-24	201409250508AM	0.0180 ppb
2014-09-24	201409250578AM	0.00680 ppb
2014-09-24	201409250585AM	0.00700 ppb
2014-09-24	201409250527AM	0.00120 ppb
2014-09-24	201409250576AM	0.00440 ppb
2014-09-24	201409250574AM	0.00960 ppb
2014-09-24	201409250523AM	0.00870 ppb
2014-09-24	201409250533AM	0.00140 ppb
2014-09-24	201409250580AM	0.00940 ppb
2014-09-24	201409250521AM	0.00380 ppb
2014-09-25	201409260381AM	0.0140 ppb
2014-09-25	201409260358AM	0.0190 ppb
2014-09-25	201409260338AM	ND
2014-09-25	201409260369AM	0.00860 ppb
2014-09-25	201409260342AM	0.0280 ppb
2014-09-25	201409260392AM	0.00650 ppb
2014-09-25	201409260496AM	0.0240 ppb
2014-09-25	201409260378AM	0.0750 ppb
2014-10-29	201410300238AM	0.0350 ppb
2014-10-29	201410300236AM	0.110 ppb
2014-11-13	201411150160AM	0.0230 ppb
2014-11-13	201411150164AM	0.0250 ppb
2014-11-13	201411150162AM	0.0120 ppb