Know Your Environment. Protect Your Health.

Strontium

City of Tacoma

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.

 

25

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.120 ppb110.120 ppb
20150.0661 ppb24240.0120 ppb - 0.120 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
2014-08-06201408070493AM0.120 ppb
2015-03-10201503120179AM0.1000 ppb
2015-03-10201503110935AM0.0980 ppb
2015-03-10201502170548AM0.0120 ppb
2015-03-17201503190039AM0.0380 ppb
2015-06-09201505060002AM0.0630 ppb
2015-06-09201505060001AM0.0140 ppb
2015-06-17201505060005AM0.0880 ppb
2015-06-29201505020034AM0.0940 ppb
2015-07-06201505020035AM0.0960 ppb
2015-07-08201507090318AM0.0590 ppb
2015-07-09201507100395AM0.0790 ppb
2015-07-09201506300092AM0.0490 ppb
2015-08-19201508200778AM0.0520 ppb
2015-09-09201508050009AM0.0160 ppb
2015-09-09201508050010AM0.1000 ppb
2015-09-09201508050013AM0.0620 ppb
2015-10-13201509250020AM0.120 ppb
2015-12-01201511130083AM0.0170 ppb
2015-12-01201511130086AM0.0810 ppb
2015-12-02201511130082AM0.0130 ppb
2015-12-07201511130099AM0.0630 ppb
2015-12-07201511130096AM0.0530 ppb
2015-12-08201511130098AM0.0990 ppb
2015-12-08201511130097AM0.120 ppb