Know Your Environment. Protect Your Health.

Strontium

Lake Oswego Municipal Water

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
20140.0346 ppb660.0220 ppb - 0.0455 ppb
20150.0295 ppb220.0290 ppb - 0.0300 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
2014-04-08WA97-SE1-14-06136-149240.0220 ppb
2014-04-08WA97-SE1-14-06136-149250.0240 ppb
2014-07-29WA97-SE2-14-14226-331180.0430 ppb
2014-07-29WA97-SE2-14-14226-331170.0450 ppb
2014-10-28WA98-SE3-14-21331-482550.0455 ppb
2014-10-28WA98-SE3-14-21331-482540.0278 ppb
2015-01-19WA97-SE4-15-01138-27010.0300 ppb
2015-01-19WA97-SE4-15-01138-27000.0290 ppb