Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Strontium

North Wales Water Authority

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.

 

40

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.187 ppb4039ND - 0.470 ppb
2015N/A00N/A
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
2014-02-0414012246-170.165 ppb
2014-02-0414012246-060.243 ppb
2014-02-0414012246-070.0587 ppb
2014-02-0414012246-040.470 ppb
2014-02-0414012246-050.355 ppb
2014-02-0414012246-100.165 ppb
2014-02-0414012246-080.107 ppb
2014-02-0414012246-090.123 ppb
2014-02-0414012246-150.000400 ppb
2014-02-0414012246-110.364 ppb
2014-02-0414012246-160.195 ppb
2014-02-0414012246-180.174 ppb
2014-02-0414012246-120.164 ppb
2014-02-0414012246-010.0722 ppb
2014-02-0414012246-030.381 ppb
2014-02-0414012246-140.178 ppb
2014-02-0414012246-130.193 ppb
2014-02-0414012246-020.333 ppb
2014-05-0514050297-010.130 ppb
2014-05-0614050298-010.115 ppb
2014-08-1114080693-010.102 ppb
2014-08-1114080700-010.0675 ppb
2014-08-1114080706-010.0622 ppb
2014-08-1114080703-010.426 ppb
2014-08-1114080704-010.338 ppb
2014-08-1114080705-010.201 ppb
2014-08-1114080709-010.150 ppb
2014-08-1114080702-010.313 ppb
2014-08-1114080694-010.159 ppb
2014-08-1114080697-010.106 ppb
2014-08-1114080707-010.0957 ppb
2014-08-1114080708-010.0926 ppb
2014-08-1114080695-010.179 ppb
2014-08-1114080701-010.460 ppb
2014-08-1114080699-010.0960 ppb
2014-08-1114080696-01ND
2014-08-1114080692-010.303 ppb
2014-08-1114080698-010.121 ppb
2014-11-1014103223-020.105 ppb
2014-11-1014103223-010.109 ppb