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EWG's Tap Water Database — 2021 UPDATE

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Strontium

Arapahoe Cnty Wwwa

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.

 

32

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.534 ppb31310.00140 ppb - 1.10 ppb
20150.720 ppb110.720 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 Result
2014-05-060.890 ppb
2014-05-060.330 ppb
2014-05-060.150 ppb
2014-05-060.650 ppb
2014-05-061.000 ppb
2014-05-060.280 ppb
2014-05-060.280 ppb
2014-05-070.160 ppb
2014-05-070.680 ppb
2014-05-070.00140 ppb
2014-05-070.710 ppb
2014-05-070.310 ppb
2014-05-070.610 ppb
2014-05-070.150 ppb
2014-05-070.170 ppb
2014-05-140.420 ppb
2014-11-100.310 ppb
2014-11-100.940 ppb
2014-11-100.410 ppb
2014-11-100.630 ppb
2014-11-100.890 ppb
2014-11-101.10 ppb
2014-11-100.800 ppb
2014-11-100.450 ppb
2014-11-120.800 ppb
2014-11-170.980 ppb
2014-11-170.390 ppb
2014-11-170.390 ppb
2014-11-180.380 ppb
2014-11-190.280 ppb
2014-11-201.000 ppb
2015-06-250.720 ppb