Know Your Environment. Protect Your Health.

Strontium

King County Water District No 90

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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.0418 ppb660.0290 ppb - 0.0620 ppb
20150.0442 ppb660.0270 ppb - 0.0570 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
2014-07-294G30030-03A0.0290 ppb
2014-07-294G30030-05A0.0410 ppb
2014-07-294G30030-07A0.0380 ppb
2014-07-294G30030-01A0.0620 ppb
2014-10-284J30021-01A0.0320 ppb
2014-10-284J30021-03A0.0490 ppb
2015-02-265B27033-05A0.0540 ppb
2015-02-265B27033-07A0.0540 ppb
2015-02-265B27033-01A0.0570 ppb
2015-02-265B27033-03A0.0270 ppb
2015-04-165D17034-05A0.0450 ppb
2015-04-165D17034-01A0.0280 ppb