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EWG's Tap Water Database — 2021 UPDATE

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Strontium

City of Lathrop

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.

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20130.407 ppb12120.0590 ppb - 1.000 ppb
20140.289 ppb220.0570 ppb - 0.520 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
2013-04-17A3C1742-07A0.420 ppb
2013-04-17A3C1742-01A1.000 ppb
2013-04-17A3C1742-12A0.110 ppb
2013-04-17A3C1742-10A0.410 ppb
2013-04-17A3C1742-04A0.0600 ppb
2013-07-30A3F1565-04A0.560 ppb
2013-07-30A3F1565-01A0.0590 ppb
2013-10-15A3I1433-04A0.510 ppb
2013-10-15A3I1434-01A0.0620 ppb
2013-10-15A3I1433-01A0.790 ppb
2013-10-16A3I1433-06A0.390 ppb
2013-10-16A3I1434-04A0.510 ppb
2014-01-21A3L1662-01A0.0570 ppb
2014-01-22A3L1662-04A0.520 ppb