Strontium

Green Valley SUD

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	0.351 ppb	46	46	0.0563 ppb - 0.643 ppb
2014	N/A	0	0	N/A
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
2013-01-22	1301548-013A	0.0622 ppb
2013-01-22	1301548-009A	0.426 ppb
2013-01-22	1301548-003A	0.160 ppb
2013-01-22	1301548-007A	0.151 ppb
2013-01-22	1301548-015A	0.149 ppb
2013-01-22	1301548-031A	0.151 ppb
2013-01-22	1301548-027A	0.146 ppb
2013-01-22	1301548-029A	0.149 ppb
2013-01-22	1301548-025A	0.164 ppb
2013-01-22	1301548-011A	0.537 ppb
2013-01-22	1301548-005A	0.563 ppb
2013-01-22	1301548-001A	0.416 ppb
2013-01-22	1301548-019A	0.564 ppb
2013-01-22	1301548-021A	0.436 ppb
2013-01-22	1301548-023A	0.568 ppb
2013-01-22	1301548-017A	0.440 ppb
2013-04-25	1304897-003A	0.643 ppb
2013-04-25	1304897-001A	0.467 ppb
2013-04-25	1304897-007A	0.616 ppb
2013-04-25	1304897-011A	0.611 ppb
2013-04-25	1304897-013A	0.447 ppb
2013-04-25	1304897-015A	0.596 ppb
2013-04-25	1304897-005A	0.459 ppb
2013-04-25	1304897-009A	0.452 ppb
2013-07-16	Q1303745023	0.163 ppb
2013-07-16	Q1303745013	0.603 ppb
2013-07-16	Q1303745009	0.612 ppb
2013-07-16	Q1303745019	0.157 ppb
2013-07-16	Q1303745025	0.149 ppb
2013-07-16	Q1303745011	0.173 ppb
2013-07-16	Q1303745015	0.170 ppb
2013-07-16	Q1303745003	0.614 ppb
2013-07-16	Q1303745027	0.152 ppb
2013-07-16	Q1303745021	0.172 ppb
2013-07-16	Q1303745005	0.581 ppb
2013-07-16	Q1303745017	0.0563 ppb
2013-07-16	Q1303745001	0.614 ppb
2013-07-16	Q1303745007	0.175 ppb
2013-07-25	Q1304284001	0.141 ppb
2013-10-29	Q1310017013	0.508 ppb
2013-10-29	Q1310017011	0.159 ppb
2013-10-29	Q1310017005	0.120 ppb
2013-10-29	Q1310017009	0.551 ppb
2013-10-29	Q1310017003	0.187 ppb
2013-10-29	Q1310017001	0.543 ppb
2013-10-29	Q1310017007	0.191 ppb