Know Your Environment. Protect Your Health.

Strontium

Johnson City Water Department

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.

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.0586 ppb12120.0233 ppb - 0.104 ppb
20150.0590 ppb440.0254 ppb - 0.0825 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 Result
2014-05-270.0705 ppb
2014-05-270.0550 ppb
2014-05-270.0233 ppb
2014-05-270.0668 ppb
2014-08-200.0609 ppb
2014-08-200.0687 ppb
2014-08-200.0250 ppb
2014-08-200.0616 ppb
2014-11-100.0611 ppb
2014-11-100.104 ppb
2014-11-100.0260 ppb
2014-11-100.0802 ppb
2015-02-100.0542 ppb
2015-02-100.0825 ppb
2015-02-100.0254 ppb
2015-02-100.0738 ppb