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EWG's Tap Water Database — 2021 UPDATE

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Strontium

Clear Brook City MUD

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.

 

20

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.316 ppb660.293 ppb - 0.338 ppb
20150.285 ppb14140.213 ppb - 0.346 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
2014-11-20Q14569130010.301 ppb
2014-11-20Q14569130050.338 ppb
2014-11-20Q14569130070.329 ppb
2014-11-20Q14569130030.293 ppb
2014-11-20Q14569130110.320 ppb
2014-11-20Q14569130090.314 ppb
2015-02-18Q15064350030.322 ppb
2015-02-18Q15064350070.304 ppb
2015-02-18Q15064350050.307 ppb
2015-02-18Q15064350010.229 ppb
2015-05-20Q15185550110.259 ppb
2015-05-20Q15185550030.268 ppb
2015-05-20Q15185550090.256 ppb
2015-05-20Q15185550070.243 ppb
2015-05-20Q15185550050.346 ppb
2015-05-20Q15185550010.234 ppb
2015-08-24Q15330660070.339 ppb
2015-08-24Q15330660050.332 ppb
2015-08-24Q15330660010.213 ppb
2015-08-24Q15330660030.338 ppb