Strontium
City of La Porte
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.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | N/A | 0 | 0 | N/A |
2015 | 0.329 ppb | 28 | 28 | 0.252 ppb - 0.368 ppb |
2016 | N/A | 0 | 0 | N/A |
2017 | N/A | 0 | 0 | N/A |
2018 | N/A | 0 | 0 | N/A |
2019 | N/A | 0 | 0 | N/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 |
---|---|---|
2015-02-24 | Q1507111013 | 0.324 ppb |
2015-02-24 | Q1507111023 | 0.343 ppb |
2015-02-24 | Q1507111019 | 0.334 ppb |
2015-02-24 | Q1507111021 | 0.335 ppb |
2015-02-24 | Q1507111007 | 0.283 ppb |
2015-02-24 | Q1507111011 | 0.321 ppb |
2015-02-24 | Q1507111017 | 0.338 ppb |
2015-02-24 | Q1507111015 | 0.326 ppb |
2015-02-24 | Q1507111005 | 0.256 ppb |
2015-02-24 | Q1507111003 | 0.323 ppb |
2015-02-24 | Q1507111001 | 0.332 ppb |
2015-02-24 | Q1507111009 | 0.335 ppb |
2015-05-19 | Q1518293001 | 0.252 ppb |
2015-05-19 | Q1518293003 | 0.268 ppb |
2015-08-17 | Q1532491009 | 0.355 ppb |
2015-08-17 | Q1532491011 | 0.368 ppb |
2015-08-17 | Q1532491013 | 0.356 ppb |
2015-08-17 | Q1532491021 | 0.355 ppb |
2015-08-17 | Q1532491015 | 0.358 ppb |
2015-08-17 | Q1532491019 | 0.333 ppb |
2015-08-17 | Q1532491023 | 0.358 ppb |
2015-08-17 | Q1532491017 | 0.351 ppb |
2015-08-17 | Q1532491001 | 0.350 ppb |
2015-08-17 | Q1532491007 | 0.360 ppb |
2015-08-17 | Q1532491003 | 0.367 ppb |
2015-08-17 | Q1532491005 | 0.354 ppb |
2015-11-17 | Q1545123003 | 0.290 ppb |
2015-11-17 | Q1545123001 | 0.279 ppb |