Know Your Environment. Protect Your Health.

Strontium

City of Tigard

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.

 

26

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.0321 ppb770.0170 ppb - 0.0720 ppb
20150.0312 ppb19190.0120 ppb - 0.0740 ppb
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A
2020N/A00N/A
2021N/A00N/A
2022N/A00N/A
2023N/A00N/A

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

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
2014-11-18201411190583AM0.0420 ppb
2014-11-18201411190336AM0.0230 ppb
2014-11-18201411190429AM0.0190 ppb
2014-11-18201411190464AM0.0340 ppb
2014-11-18201411190283AM0.0720 ppb
2014-11-18201411190626AM0.0170 ppb
2014-11-18201411190381AM0.0180 ppb
2015-02-11201502120588AM0.0720 ppb
2015-02-11201502120594AM0.0140 ppb
2015-02-11201502120634AM0.0130 ppb
2015-02-11201502120592AM0.0120 ppb
2015-02-11201502120596AM0.0130 ppb
2015-02-11201502120590AM0.0120 ppb
2015-05-21201505220150AM0.0140 ppb
2015-05-21201505220138AM0.0470 ppb
2015-05-21201505220142AM0.0300 ppb
2015-05-21201505220140AM0.0220 ppb
2015-05-21201505220152AM0.0160 ppb
2015-05-21201505220156AM0.0150 ppb
2015-05-21201505220154AM0.0150 ppb
2015-08-12201508130529AM0.0340 ppb
2015-08-12201508130527AM0.0450 ppb
2015-08-12201508130519AM0.0730 ppb
2015-08-12201508130525AM0.0740 ppb
2015-08-12201508130521AM0.0260 ppb
2015-08-12201508130523AM0.0450 ppb