Know Your Environment. Protect Your Health.

Strontium

Northwest Utility District-SD

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.

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20130.0720 ppb440.0570 ppb - 0.1000 ppb
20140.0433 ppb440.0400 ppb - 0.0480 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 Result
2013-07-220.0570 ppb
2013-07-220.0640 ppb
2013-10-160.1000 ppb
2013-10-160.0670 ppb
2014-01-140.0480 ppb
2014-01-140.0400 ppb
2014-04-150.0430 ppb
2014-04-150.0420 ppb