Strontium
City of Manteca
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.
32
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 | 0.304 ppb | 16 | 16 | 0.0590 ppb - 1.40 ppb |
| 2014 | 0.264 ppb | 4 | 4 | 0.0640 ppb - 0.490 ppb |
| 2015 | 0.383 ppb | 12 | 12 | 0.200 ppb - 1.20 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 |
|---|---|---|
| 2013-05-14 | A3E1304-01A | 0.0600 ppb |
| 2013-05-14 | A3E1304-04A | 0.0610 ppb |
| 2013-08-14 | A3H0730-01A | 0.0590 ppb |
| 2013-08-14 | A3H0730-04A | 0.0610 ppb |
| 2013-11-18 | A3J2218-15A | 0.390 ppb |
| 2013-11-19 | A3J2218-19A | 0.330 ppb |
| 2013-11-19 | A3J2218-05A | 0.0640 ppb |
| 2013-11-19 | A3J2218-09A | 0.420 ppb |
| 2013-11-19 | A3J2230-01A | 0.0610 ppb |
| 2013-11-19 | A3J2218-01A | 0.410 ppb |
| 2013-11-19 | A3J2218-17A | 0.470 ppb |
| 2013-11-19 | A3J2218-11A | 0.300 ppb |
| 2013-11-19 | A3J2218-13A | 0.210 ppb |
| 2013-11-19 | A3J2218-23A | 0.510 ppb |
| 2013-11-19 | A3J2218-21A | 1.40 ppb |
| 2013-11-19 | A3J2230-03A | 0.0630 ppb |
| 2014-01-15 | A3L1892-03A | 0.220 ppb |
| 2014-01-15 | A3L1892-01A | 0.490 ppb |
| 2014-02-26 | A4B0701-03A | 0.280 ppb |
| 2014-04-23 | A4D1242-01A | 0.0640 ppb |
| 2015-07-07 | A5D1723-19A | 1.20 ppb |
| 2015-07-07 | A5D1723-17A | 0.240 ppb |
| 2015-07-07 | A5D1723-21A | 0.360 ppb |
| 2015-07-07 | A5D1723-15A | 0.200 ppb |
| 2015-07-07 | A5D1723-05A | 0.500 ppb |
| 2015-07-07 | A5D1723-13A | 0.260 ppb |
| 2015-07-07 | A5D1723-03A | 0.390 ppb |
| 2015-07-07 | A5D1723-11A | 0.420 ppb |
| 2015-07-07 | A5D1723-01A | 0.340 ppb |
| 2015-07-07 | A5D1723-07A | 0.230 ppb |
| 2015-07-07 | A5D1723-09A | 0.240 ppb |
| 2015-07-08 | A5D1723-23A | 0.210 ppb |