Strontium

Northwest Park MUD

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	0.387 ppb	10	10	0.347 ppb - 0.465 ppb
2014	0.378 ppb	10	10	0.331 ppb - 0.452 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
2013-11-11	Q1312692007	0.453 ppb
2013-11-11	Q1312692003	0.347 ppb
2013-11-11	Q1312692009	0.374 ppb
2013-11-11	Q1312692005	0.384 ppb
2013-11-11	Q1312692015	0.390 ppb
2013-11-11	Q1312692017	0.383 ppb
2013-11-11	Q1312692001	0.465 ppb
2013-11-11	Q1312692011	0.357 ppb
2013-11-11	Q1312692019	0.363 ppb
2013-11-11	Q1312692013	0.354 ppb
2014-05-14	Q1416010001	0.452 ppb
2014-05-14	Q1416010011	0.452 ppb
2014-05-14	Q1416010003	0.342 ppb
2014-05-14	Q1416010013	0.337 ppb
2014-05-14	Q1416010019	0.357 ppb
2014-05-14	Q1416010017	0.373 ppb
2014-05-14	Q1416010015	0.331 ppb
2014-05-14	Q1416010009	0.352 ppb
2014-05-14	Q1416010007	0.420 ppb
2014-05-14	Q1416010005	0.362 ppb