Strontium
City of Lawrence
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.
42
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 | 0.257 ppb | 12 | 12 | 0.220 ppb - 0.330 ppb |
| 2014 | 0.303 ppb | 4 | 4 | 0.230 ppb - 0.370 ppb |
| 2015 | 270.0 ppb | 6 | 6 | 210.0 ppb - 350.0 ppb |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | 245.0 ppb | 4 | 4 | 210.0 ppb - 330.0 ppb |
| 2018 | 257.5 ppb | 8 | 8 | 220.0 ppb - 310.0 ppb |
| 2019 | 251.3 ppb | 8 | 8 | 180.0 ppb - 470.0 ppb |
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 |
|---|---|---|
| 2013-05-13 | 2824501 | 0.240 ppb |
| 2013-05-13 | 2824465 | 0.280 ppb |
| 2013-05-13 | 2824496 | 0.290 ppb |
| 2013-05-13 | 2824509 | 0.240 ppb |
| 2013-08-14 | 2877423 | 0.220 ppb |
| 2013-08-14 | 2877411 | 0.230 ppb |
| 2013-08-14 | 2877386 | 0.230 ppb |
| 2013-08-14 | 2877401 | 0.220 ppb |
| 2013-11-13 | 2930255 | 0.330 ppb |
| 2013-11-13 | 2930316 | 0.240 ppb |
| 2013-11-13 | 2930324 | 0.240 ppb |
| 2013-11-13 | 2930263 | 0.320 ppb |
| 2014-02-12 | 2972931 | 0.250 ppb |
| 2014-02-12 | 2972918 | 0.370 ppb |
| 2014-02-12 | 2973014 | 0.360 ppb |
| 2014-02-19 | 2977588 | 0.230 ppb |
| 2015-02-04 | FEB2015-METALS | 230.0 ppb |
| 2015-02-04 | FEB-15-METALS | 350.0 ppb |
| 2015-05-06 | MAY2015-METALS | 250.0 ppb |
| 2015-05-06 | MAY-15-METALS | 310.0 ppb |
| 2015-11-03 | NOV2015-METALS | 210.0 ppb |
| 2015-11-03 | NOV-15-METALS | 270.0 ppb |
| 2017-05-09 | 2017-05-09-MET | 210.0 ppb |
| 2017-08-15 | 2017-08-15-MET | 210.0 ppb |
| 2017-11-15 | 2017-11-15-MET | 230.0 ppb |
| 2017-12-21 | 2017-12-21-MET | 330.0 ppb |
| 2018-02-14 | 2018-02-14-MET1 | 230.0 ppb |
| 2018-02-14 | 2018-02-14-MET-T | 300.0 ppb |
| 2018-05-10 | 2018-05-10-METTP | 230.0 ppb |
| 2018-05-10 | 2018-05-10-MET-T | 260.0 ppb |
| 2018-08-15 | 2018-11-01-MET-T | 310.0 ppb |
| 2018-08-15 | 2018-08-15-MET-T | 280.0 ppb |
| 2018-08-15 | 2018-08-15-METTP | 230.0 ppb |
| 2018-11-01 | 2018-11-01-METTP | 220.0 ppb |
| 2019-02-14 | 2019-02-14 MET T | 470.0 ppb |
| 2019-02-14 | 2019-02-14 MET T | 220.0 ppb |
| 2019-05-14 | 2019-05-14-MET-T | 220.0 ppb |
| 2019-05-14 | 2019-05-14-MET-T | 240.0 ppb |
| 2019-08-07 | 2019-08-07-MET-T | 300.0 ppb |
| 2019-08-07 | 2019-08-07-MET-T | 190.0 ppb |
| 2019-11-18 | 2019-11-18-MET-T | 180.0 ppb |
| 2019-11-18 | 2019-11-18-MET-T | 190.0 ppb |