Strontium
City of Forest Grove
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.
16
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 | 0.0311 ppb | 12 | 12 | 0.0250 ppb - 0.0380 ppb |
| 2014 | 0.0240 ppb | 4 | 4 | 0.0200 ppb - 0.0330 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 |
| 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 |
|---|---|---|
| 2013-04-17 | 2812104 | 0.0360 ppb |
| 2013-04-17 | 2812100 | 0.0260 ppb |
| 2013-04-17 | 2812132 | 0.0360 ppb |
| 2013-04-17 | 2812130 | 0.0250 ppb |
| 2013-07-17 | 2863327 | 0.0350 ppb |
| 2013-07-17 | 2863370 | 0.0290 ppb |
| 2013-07-17 | 2863361 | 0.0280 ppb |
| 2013-07-17 | 2863353 | 0.0290 ppb |
| 2013-10-16 | WA97-SE3-13-19894-45180 | 0.0374 ppb |
| 2013-10-16 | WA97-SE3-13-19894-45179 | 0.0267 ppb |
| 2013-10-16 | WA97-SE3-13-19894-45182 | 0.0380 ppb |
| 2013-10-16 | WA97-SE3-13-19894-45181 | 0.0272 ppb |
| 2014-01-22 | WA97-SE4-14-01308-3422 | 0.0330 ppb |
| 2014-01-22 | WA97-SE4-14-01308-3421 | 0.0200 ppb |
| 2014-01-22 | WA97-SE4-14-01308-3423 | 0.0200 ppb |
| 2014-01-22 | WA97-SE4-14-01308-3424 | 0.0230 ppb |