Strontium
City of Norco
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.
28
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 | 0.351 ppb | 14 | 14 | 0.0820 ppb - 0.680 ppb |
| 2015 | 0.319 ppb | 14 | 14 | 0.0730 ppb - 0.740 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 |
|---|---|---|
| 2014-08-12 | B4H1135-05 | 0.680 ppb |
| 2014-08-12 | B4H1135-01 | 0.200 ppb |
| 2014-08-12 | B4H1135-13 | 0.410 ppb |
| 2014-08-12 | B4H1135-11 | 0.660 ppb |
| 2014-08-12 | B4H1135-03 | 0.0820 ppb |
| 2014-08-12 | B4H1135-09 | 0.0830 ppb |
| 2014-08-12 | B4H1135-15 | 0.200 ppb |
| 2014-08-20 | B4H2037-05 | 0.440 ppb |
| 2014-08-20 | B4H2037-01 | 0.600 ppb |
| 2014-08-20 | B4H2037-03 | 0.200 ppb |
| 2014-08-26 | B4H2578-03 | 0.120 ppb |
| 2014-08-26 | B4H2578-01 | 0.450 ppb |
| 2014-11-10 | B4K0871-03 | 0.260 ppb |
| 2014-11-10 | B4K0871-01 | 0.530 ppb |
| 2015-02-03 | B5B0304-01 | 0.250 ppb |
| 2015-02-03 | B5B0293-11 | 0.180 ppb |
| 2015-02-03 | B5B0293-01 | 0.390 ppb |
| 2015-02-03 | B5B0293-05 | 0.740 ppb |
| 2015-02-03 | B5B0293-03 | 0.0730 ppb |
| 2015-02-03 | B5B0293-13 | 0.0800 ppb |
| 2015-02-03 | B5B0293-15 | 0.690 ppb |
| 2015-02-03 | B5B0304-03 | 0.260 ppb |
| 2015-02-03 | B5B0293-17 | 0.0880 ppb |
| 2015-02-03 | B5B0293-09 | 0.390 ppb |
| 2015-02-10 | B5B0924-03 | 0.210 ppb |
| 2015-02-10 | B5B0924-01 | 0.200 ppb |
| 2015-05-05 | B5E0286-01 | 0.590 ppb |
| 2015-05-05 | B5E0286-03 | 0.330 ppb |