Know Your Environment. Protect Your Health.

Strontium

St John Water District 1

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
20140.116 ppb12120.000500 ppb - 0.212 ppb
2015N/A00N/A
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
2014-02-2435127683003AM0.00220 ppb
2014-02-2435127683007AM0.162 ppb
2014-02-2435127683001AM0.00120 ppb
2014-02-2435127683005AM0.136 ppb
2014-05-2735139726003AM0.145 ppb
2014-05-2735139726001AM0.148 ppb
2014-08-2635152455007AM0.172 ppb
2014-08-2635152455003AM0.00110 ppb
2014-08-2635152455001AM0.000500 ppb
2014-08-2635152455005AM0.207 ppb
2014-11-1335164002003AM0.212 ppb
2014-11-1335164002001AM0.203 ppb