Strontium
California American Water Company - Monterey
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.
46
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 |
|---|---|---|---|---|
| 2013 | 0.299 ppb | 14 | 14 | 0.0972 ppb - 0.390 ppb |
| 2014 | 0.277 ppb | 24 | 24 | 0.0908 ppb - 0.398 ppb |
| 2015 | 0.279 ppb | 8 | 8 | 0.163 ppb - 0.377 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 |
|---|---|---|
| 2013-09-09 | 23390901 | 0.390 ppb |
| 2013-09-11 | 23386801 | 0.258 ppb |
| 2013-09-11 | 23387101 | 0.330 ppb |
| 2013-09-11 | 23391101 | 0.339 ppb |
| 2013-09-11 | 23387701 | 0.355 ppb |
| 2013-09-11 | 23387601 | 0.357 ppb |
| 2013-09-11 | 23389701 | 0.343 ppb |
| 2013-09-11 | 23386401 | 0.266 ppb |
| 2013-10-07 | 23388801 | 0.104 ppb |
| 2013-10-08 | 23387001 | 0.332 ppb |
| 2013-10-30 | 23389101 | 0.337 ppb |
| 2013-10-31 | 23387801 | 0.356 ppb |
| 2013-12-16 | 24208001 | 0.0972 ppb |
| 2013-12-17 | 24206801 | 0.322 ppb |
| 2014-03-10 | 24994001 | 0.398 ppb |
| 2014-03-10 | 24993901 | 0.354 ppb |
| 2014-03-10 | 24998501 | 0.391 ppb |
| 2014-03-10 | 24995901 | 0.0908 ppb |
| 2014-03-11 | 25000001 | 0.222 ppb |
| 2014-03-11 | 24994401 | 0.218 ppb |
| 2014-03-11 | 24992101 | 0.274 ppb |
| 2014-03-11 | 24999601 | 0.189 ppb |
| 2014-03-12 | 24993701 | 0.305 ppb |
| 2014-03-24 | 24994201 | 0.299 ppb |
| 2014-04-09 | 24999801 | 0.211 ppb |
| 2014-04-09 | 24994101 | 0.266 ppb |
| 2014-05-05 | 24994801 | 0.360 ppb |
| 2014-05-05 | 25000401 | 0.327 ppb |
| 2014-05-05 | 25000201 | 0.362 ppb |
| 2014-05-09 | 24993801 | 0.329 ppb |
| 2014-05-09 | 24994501 | 0.385 ppb |
| 2014-05-09 | 24994601 | 0.398 ppb |
| 2014-06-18 | 25824401 | 0.113 ppb |
| 2014-06-24 | 25823001 | 0.316 ppb |
| 2014-12-16 | 26924901 | 0.191 ppb |
| 2014-12-16 | 28049401 | 0.205 ppb |
| 2014-12-16 | 26925201 | 0.198 ppb |
| 2014-12-18 | 26925401 | 0.248 ppb |
| 2015-01-20 | 28283601 | 0.183 ppb |
| 2015-01-21 | 28283701 | 0.262 ppb |
| 2015-05-04 | 29260101 | 0.168 ppb |
| 2015-05-04 | 29260201 | 0.163 ppb |
| 2015-06-18 | 27426301 | 0.377 ppb |
| 2015-06-18 | 27426501 | 0.372 ppb |
| 2015-07-23 | 29998601 | 0.360 ppb |
| 2015-07-23 | 29998701 | 0.344 ppb |