Strontium
City of Tacoma
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.
25
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 | 0.120 ppb | 1 | 1 | 0.120 ppb |
| 2015 | 0.0661 ppb | 24 | 24 | 0.0120 ppb - 0.120 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 |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | N/A | 0 | 0 | N/A |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
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 |
|---|---|---|
| 2014-08-06 | 201408070493AM | 0.120 ppb |
| 2015-03-10 | 201503120179AM | 0.1000 ppb |
| 2015-03-10 | 201503110935AM | 0.0980 ppb |
| 2015-03-10 | 201502170548AM | 0.0120 ppb |
| 2015-03-17 | 201503190039AM | 0.0380 ppb |
| 2015-06-09 | 201505060002AM | 0.0630 ppb |
| 2015-06-09 | 201505060001AM | 0.0140 ppb |
| 2015-06-17 | 201505060005AM | 0.0880 ppb |
| 2015-06-29 | 201505020034AM | 0.0940 ppb |
| 2015-07-06 | 201505020035AM | 0.0960 ppb |
| 2015-07-08 | 201507090318AM | 0.0590 ppb |
| 2015-07-09 | 201507100395AM | 0.0790 ppb |
| 2015-07-09 | 201506300092AM | 0.0490 ppb |
| 2015-08-19 | 201508200778AM | 0.0520 ppb |
| 2015-09-09 | 201508050009AM | 0.0160 ppb |
| 2015-09-09 | 201508050010AM | 0.1000 ppb |
| 2015-09-09 | 201508050013AM | 0.0620 ppb |
| 2015-10-13 | 201509250020AM | 0.120 ppb |
| 2015-12-01 | 201511130083AM | 0.0170 ppb |
| 2015-12-01 | 201511130086AM | 0.0810 ppb |
| 2015-12-02 | 201511130082AM | 0.0130 ppb |
| 2015-12-07 | 201511130099AM | 0.0630 ppb |
| 2015-12-07 | 201511130096AM | 0.0530 ppb |
| 2015-12-08 | 201511130098AM | 0.0990 ppb |
| 2015-12-08 | 201511130097AM | 0.120 ppb |