Strontium
City of Madera
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.
37
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 | 0.208 ppb | 37 | 37 | 0.130 ppb - 0.510 ppb |
| 2015 | N/A | 0 | 0 | N/A |
| 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 |
|---|---|---|
| 2014-03-20 | A4C0742-35A | 0.210 ppb |
| 2014-03-20 | A4C0742-01A | 0.130 ppb |
| 2014-03-20 | A4C0742-07A | 0.200 ppb |
| 2014-03-20 | A4C0742-05A | 0.210 ppb |
| 2014-03-20 | A4C0742-03A | 0.210 ppb |
| 2014-03-20 | A4C0742-31A | 0.190 ppb |
| 2014-03-20 | A4C0742-25A | 0.140 ppb |
| 2014-03-20 | A4C0742-29A | 0.140 ppb |
| 2014-03-20 | A4C0742-15A | 0.260 ppb |
| 2014-03-20 | A4C0742-19A | 0.220 ppb |
| 2014-03-20 | A4C0742-39A | 0.220 ppb |
| 2014-03-20 | A4C0742-37A | 0.150 ppb |
| 2014-03-20 | A4C0742-09A | 0.150 ppb |
| 2014-03-20 | A4C0742-33A | 0.190 ppb |
| 2014-03-20 | A4C0742-23A | 0.160 ppb |
| 2014-03-20 | A4C0742-21A | 0.310 ppb |
| 2014-03-20 | A4C0742-27A | 0.160 ppb |
| 2014-03-20 | A4C0742-17A | 0.170 ppb |
| 2014-03-20 | A4C0742-11A | 0.460 ppb |
| 2014-09-25 | A4I0631-43A | 0.210 ppb |
| 2014-09-25 | A4I0631-22A | 0.240 ppb |
| 2014-09-25 | A4I0631-19A | 0.260 ppb |
| 2014-09-25 | A4I0631-16A | 0.510 ppb |
| 2014-09-25 | A4I0631-13A | 0.160 ppb |
| 2014-09-25 | A4I0631-04A | 0.210 ppb |
| 2014-09-25 | A4I0631-01A | 0.130 ppb |
| 2014-09-25 | A4I0631-07A | 0.210 ppb |
| 2014-09-25 | A4I0631-10A | 0.210 ppb |
| 2014-09-25 | A4I0631-37A | 0.140 ppb |
| 2014-09-25 | A4I0631-40A | 0.200 ppb |
| 2014-09-25 | A4I0631-49A | 0.150 ppb |
| 2014-09-25 | A4I0631-51A | 0.220 ppb |
| 2014-09-25 | A4I0631-46A | 0.180 ppb |
| 2014-09-25 | A4I0631-28A | 0.170 ppb |
| 2014-09-25 | A4I0631-25A | 0.310 ppb |
| 2014-09-25 | A4I0631-31A | 0.140 ppb |
| 2014-09-25 | A4I0631-34A | 0.160 ppb |