Strontium
Craven County Water System
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.
19
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 | 0.0216 ppb | 10 | 10 | 0.0141 ppb - 0.0474 ppb |
| 2014 | 0.0231 ppb | 9 | 9 | 0.0136 ppb - 0.0520 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 |
|---|---|---|
| 2013-11-20 | 35117218001AM | 0.0474 ppb |
| 2013-11-20 | 35117218005AM | 0.0198 ppb |
| 2013-11-20 | 35117218013AM | 0.0190 ppb |
| 2013-11-20 | 35117218009AM | 0.0180 ppb |
| 2013-11-20 | 35117218017AM | 0.0214 ppb |
| 2013-11-20 | 35117218019AM | 0.0142 ppb |
| 2013-11-20 | 35117218003AM | 0.0201 ppb |
| 2013-11-20 | 35117218015AM | 0.0141 ppb |
| 2013-11-20 | 35117218011AM | 0.0215 ppb |
| 2013-11-20 | 35117218007AM | 0.0204 ppb |
| 2014-05-20 | 35139163005AM | 0.0211 ppb |
| 2014-05-20 | 35139163007AM | 0.0136 ppb |
| 2014-05-20 | 35139163009AM | 0.0202 ppb |
| 2014-05-20 | 35139163015AM | 0.0186 ppb |
| 2014-05-20 | 35139163011AM | 0.0207 ppb |
| 2014-05-20 | 35139163017AM | 0.0205 ppb |
| 2014-05-20 | 35139163013AM | 0.0213 ppb |
| 2014-05-20 | 35139163001AM | 0.0520 ppb |
| 2014-05-20 | 35139163003AM | 0.0202 ppb |