Strontium
Los Angeles County WW District 4 & 34-Lancaster
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.
38
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 | 0.335 ppb | 17 | 17 | 0.130 ppb - 0.720 ppb |
| 2014 | 0.365 ppb | 21 | 21 | 0.130 ppb - 0.800 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 |
|---|---|---|
| 2013-11-14 | 201311150378AM | 0.260 ppb |
| 2013-11-18 | 201311200623AM | 0.310 ppb |
| 2013-11-18 | 201311200611AM | 0.320 ppb |
| 2013-11-18 | 201311210815AM | 0.340 ppb |
| 2013-11-18 | 201311210801AM | 0.510 ppb |
| 2013-11-19 | 201311220610AM | 0.250 ppb |
| 2013-11-19 | 201311220608AM | 0.660 ppb |
| 2013-11-19 | 201311250078AM | 0.130 ppb |
| 2013-11-19 | 201311250062AM | 0.380 ppb |
| 2013-11-20 | 201312020193AM | 0.280 ppb |
| 2013-11-20 | 201311270080AM | 0.220 ppb |
| 2013-11-20 | 201312020184AM | 0.200 ppb |
| 2013-11-20 | 201311270082AM | 0.290 ppb |
| 2013-11-25 | 201312040648AM | 0.310 ppb |
| 2013-11-25 | 201312030254AM | 0.340 ppb |
| 2013-11-25 | 201312030252AM | 0.720 ppb |
| 2013-11-26 | 201312040650AM | 0.170 ppb |
| 2014-02-13 | 201402140367AM | 0.430 ppb |
| 2014-02-13 | 201402140365AM | 0.300 ppb |
| 2014-05-13 | 201405160379AM | 0.280 ppb |
| 2014-05-13 | 201405160338AM | 0.370 ppb |
| 2014-05-13 | 201405160381AM | 0.360 ppb |
| 2014-05-14 | 201405160334AM | 0.390 ppb |
| 2014-05-14 | 201405160355AM | 0.400 ppb |
| 2014-05-14 | 201405160336AM | 0.720 ppb |
| 2014-05-14 | 201405220244AM | 0.210 ppb |
| 2014-05-14 | 201405190271AM | 0.340 ppb |
| 2014-05-14 | 201405190269AM | 0.360 ppb |
| 2014-05-14 | 201405160332AM | 0.500 ppb |
| 2014-05-20 | 201405230366AM | 0.130 ppb |
| 2014-05-20 | 201405220248AM | 0.270 ppb |
| 2014-05-21 | 201405290634AM | 0.230 ppb |
| 2014-05-21 | 201405230368AM | 0.350 ppb |
| 2014-05-21 | 201405230356AM | 0.240 ppb |
| 2014-05-27 | 201405290654AM | 0.270 ppb |
| 2014-05-27 | 201405290650AM | 0.800 ppb |
| 2014-08-07 | 201408120561AM | 0.360 ppb |
| 2014-08-07 | 201408120547AM | 0.360 ppb |