Know Your Environment. Protect Your Health.

Strontium

City of St. Helens

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
20150.0608 ppb880.0558 ppb - 0.0785 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
2015-02-2420571100040.0558 ppb
2015-02-2420571100010.0605 ppb
2015-05-1220711850040.0564 ppb
2015-05-1220711850010.0578 ppb
2015-08-1120890360040.0569 ppb
2015-08-1120890360010.0601 ppb
2015-11-1021076170010.0785 ppb
2015-11-1021076170040.0604 ppb