Strontium
City of Denton
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.
16
Samples
0
Samples exceeding legal limit (MCL)
0
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2014 | 0.263 ppb | 12 | 12 | 0.191 ppb - 0.345 ppb |
| 2015 | 0.258 ppb | 4 | 4 | 0.188 ppb - 0.329 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 |
|---|---|---|
| 2014-04-14 | Q1411646001 | 0.331 ppb |
| 2014-04-14 | Q1411646005 | 0.202 ppb |
| 2014-04-14 | Q1411646011 | 0.198 ppb |
| 2014-04-14 | Q1411646009 | 0.324 ppb |
| 2014-07-09 | Q1426463005 | 0.197 ppb |
| 2014-07-09 | Q1426463011 | 0.191 ppb |
| 2014-07-09 | Q1426463009 | 0.328 ppb |
| 2014-07-09 | Q1426463001 | 0.345 ppb |
| 2014-10-14 | Q1452213005 | 0.199 ppb |
| 2014-10-14 | Q1452213011 | 0.200 ppb |
| 2014-10-14 | Q1452213009 | 0.321 ppb |
| 2014-10-14 | Q1452213001 | 0.320 ppb |
| 2015-01-20 | Q1501500005 | 0.189 ppb |
| 2015-01-20 | Q1501500009 | 0.329 ppb |
| 2015-01-20 | Q1501500011 | 0.188 ppb |
| 2015-01-20 | Q1501500001 | 0.324 ppb |