Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Strontium

Lawton

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
20140.627 ppb990.315 ppb - 1.07 ppb
20150.684 ppb330.423 ppb - 0.849 ppb
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A

ppb = parts per billion

State and national drinking water standards and health guidelines

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
2014-06-034F04087-070.781 ppb
2014-06-034F04087-040.828 ppb
2014-06-034F04087-010.432 ppb
2014-09-024I03141-070.471 ppb
2014-09-024I03141-040.482 ppb
2014-09-024I03141-010.412 ppb
2014-12-024L03082-040.849 ppb
2014-12-024L03080-010.315 ppb
2014-12-024L03082-011.07 ppb
2015-03-035C04049-070.780 ppb
2015-03-035C04049-010.423 ppb
2015-03-035C04049-040.849 ppb