Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Strontium

Padre Dam Municipal Water 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.

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20130.664 ppb880.320 ppb - 0.860 ppb
2014N/A00N/A
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
2013-01-16B3A1717-03A0.320 ppb
2013-01-16B3A1717-01A0.360 ppb
2013-04-17B3D2018-010.700 ppb
2013-04-17B3D2018-030.670 ppb
2013-07-17B3G1802-010.860 ppb
2013-07-17B3G1802-050.750 ppb
2013-10-16B3J1757-030.840 ppb
2013-10-16B3J1757-010.810 ppb