Know Your Environment. Protect Your Health.

Strontium

Norwalk First Taxing District

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.

 

10

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20130.0732 ppb550.0490 ppb - 0.140 ppb
20140.0716 ppb550.0480 ppb - 0.140 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
2013-07-16201307170585AM0.0490 ppb
2013-07-16201307170615AM0.0700 ppb
2013-07-16201307170590AM0.140 ppb
2013-10-21201310220088AM0.0490 ppb
2013-10-21201310220086AM0.0580 ppb
2014-01-27201401280236AM0.140 ppb
2014-01-27201401280201AM0.0570 ppb
2014-01-27201401280238AM0.0530 ppb
2014-04-22201404230371AM0.0480 ppb
2014-04-22201404230348AM0.0600 ppb