Know Your Environment. Protect Your Health.

Strontium

City of Hillsboro

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.

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20130.0459 ppb440.0312 ppb - 0.0877 ppb
20140.0340 ppb440.0320 ppb - 0.0390 ppb
2015N/A00N/A
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
2013-07-15WA97-SE1-13-12517-283540.0312 ppb
2013-07-15WA97-SE1-13-12517-283550.0332 ppb
2013-10-14WA97-SE2-13-19683-446370.0315 ppb
2013-10-14WA97-SE2-19683-446360.0877 ppb
2014-01-06WA97-SE3-14-00266-6570.0320 ppb
2014-01-06WA97-SE3-14-00266-6560.0330 ppb
2014-04-16WA97-SE4-14-06653-160430.0320 ppb
2014-04-16WA97-SE4-14-06653-160420.0390 ppb