Strontium
Irvine Ranch Water District
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.
54
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 | 0.546 ppb | 22 | 22 | 0.240 ppb - 0.949 ppb |
| 2014 | 0.617 ppb | 32 | 32 | 0.163 ppb - 1.10 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 |
|---|---|---|
| 2013-03-04 | 3010092817 | 0.854 ppb |
| 2013-03-05 | 3010092816 | 0.320 ppb |
| 2013-03-05 | 3010092992 | 0.266 ppb |
| 2013-03-18 | 3010092993 | 0.789 ppb |
| 2013-06-10 | 3010092816-2 | 0.949 ppb |
| 2013-06-10 | 3010092817-2 | 0.901 ppb |
| 2013-06-11 | 3010092993-2 | 0.902 ppb |
| 2013-06-11 | 3010092992-2 | 0.288 ppb |
| 2013-09-03 | 3010092816-3 | 0.458 ppb |
| 2013-09-03 | 3010092817-3 | 0.899 ppb |
| 2013-09-04 | 3010092993-3 | 0.380 ppb |
| 2013-09-04 | 3010092992-3 | 0.263 ppb |
| 2013-10-21 | 3J24056-07A | 0.240 ppb |
| 2013-10-21 | 3J24056-09A | 0.740 ppb |
| 2013-10-21 | 3J24056-05A | 0.770 ppb |
| 2013-10-21 | 3J24056-11A | 0.840 ppb |
| 2013-10-21 | 3J24056-03A | 0.720 ppb |
| 2013-10-21 | 3J24056-13A | 0.240 ppb |
| 2013-10-21 | 3J24056-01A | 0.250 ppb |
| 2013-12-09 | 3010092816-4 | 0.391 ppb |
| 2013-12-10 | 3010092993-4 | 0.310 ppb |
| 2013-12-10 | 3010092992-4 | 0.251 ppb |
| 2014-01-07 | 3010092802-1 | 0.267 ppb |
| 2014-01-07 | 3010092818-1 | 0.257 ppb |
| 2014-01-07 | 3010092995-1 | 0.409 ppb |
| 2014-01-27 | 4A29064-01A | 0.790 ppb |
| 2014-01-28 | 4A29064-05A | 0.950 ppb |
| 2014-01-28 | 4A29064-03A | 0.410 ppb |
| 2014-01-28 | 4A29064-09A | 0.670 ppb |
| 2014-01-28 | 4A29064-11A | 0.270 ppb |
| 2014-01-28 | 4A29064-07A | 0.960 ppb |
| 2014-01-29 | 4A29064-13A | 0.960 ppb |
| 2014-02-05 | 3010092817-4A | 1.07 ppb |
| 2014-02-05 | 3010092809-1 | 0.187 ppb |
| 2014-02-05 | 3010092996-1 | 0.207 ppb |
| 2014-04-15 | 4D17070-03A | 0.780 ppb |
| 2014-04-15 | 4D17070-07A | 0.210 ppb |
| 2014-04-15 | 4D17070-01A | 0.630 ppb |
| 2014-04-15 | 4D17070-05A | 0.880 ppb |
| 2014-04-15 | 4D17070-09A | 0.180 ppb |
| 2014-04-16 | 4D17070-13A | 1.10 ppb |
| 2014-04-16 | 4D17070-11A | 0.720 ppb |
| 2014-06-10 | 3010092995-2 | 0.864 ppb |
| 2014-06-10 | 3010092818-2 | 0.287 ppb |
| 2014-06-10 | 3010092802-2 | 0.260 ppb |
| 2014-07-09 | 3010092996-2 | 0.185 ppb |
| 2014-07-09 | 3010092809-2 | 0.163 ppb |
| 2014-07-29 | 4G31058-11A | 1.000 ppb |
| 2014-07-29 | 4G31058-07A | 1.000 ppb |
| 2014-07-29 | 4G31058-03A | 1.000 ppb |
| 2014-07-29 | 4G31058-05A | 0.760 ppb |
| 2014-07-29 | 4G31058-01A | 1.000 ppb |
| 2014-07-29 | 4G31058-09A | 1.000 ppb |
| 2014-07-30 | 4G31058-13A | 0.330 ppb |