Strontium
North Penn Water Authority
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.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | N/A | 0 | 0 | N/A |
2015 | 0.655 ppb | 50 | 50 | 0.0850 ppb - 3.30 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 |
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 |
---|---|---|
2015-01-13 | 3170219 | 0.540 ppb |
2015-01-13 | 3170038 | 1.000 ppb |
2015-01-13 | 3170183 | 0.720 ppb |
2015-01-13 | 3170210 | 0.470 ppb |
2015-01-13 | 3170019 | 1.20 ppb |
2015-01-13 | 3170237 | 0.570 ppb |
2015-01-13 | 3170065 | 0.290 ppb |
2015-01-13 | 3170135 | 1.20 ppb |
2015-01-13 | 3170051 | 0.140 ppb |
2015-01-13 | 3170084 | 0.140 ppb |
2015-01-13 | 3170109 | 2.30 ppb |
2015-01-13 | 3170006 | 0.170 ppb |
2015-01-13 | 3170228 | 0.420 ppb |
2015-01-13 | 3170071 | 0.500 ppb |
2015-01-13 | 3170241 | 0.130 ppb |
2015-01-13 | 3170142 | 0.140 ppb |
2015-01-13 | 3170187 | 0.720 ppb |
2015-01-13 | 3169999 | 0.0850 ppb |
2015-01-13 | 3170101 | 3.30 ppb |
2015-01-13 | 3170157 | 1.40 ppb |
2015-01-13 | 3170201 | 0.110 ppb |
2015-01-13 | 3170197 | 0.130 ppb |
2015-02-02 | 3180017 | 0.200 ppb |
2015-04-08 | 3220954 | 0.130 ppb |
2015-04-08 | 3220921 | 0.160 ppb |
2015-07-14 | 3282096 | 0.0980 ppb |
2015-07-14 | 3282151 | 0.470 ppb |
2015-07-14 | 3282100 | 1.90 ppb |
2015-07-14 | 3282108 | 0.180 ppb |
2015-07-14 | 3282104 | 0.820 ppb |
2015-07-14 | 3282120 | 0.510 ppb |
2015-07-14 | 3282092 | 0.1000 ppb |
2015-07-14 | 3282223 | 0.420 ppb |
2015-07-14 | 3282138 | 0.150 ppb |
2015-07-14 | 3282187 | 0.0850 ppb |
2015-07-14 | 3282196 | 0.0930 ppb |
2015-07-14 | 3282214 | 1.10 ppb |
2015-07-14 | 3282160 | 1.50 ppb |
2015-07-14 | 3282112 | 0.140 ppb |
2015-07-14 | 3282147 | 0.310 ppb |
2015-07-14 | 3282246 | 0.600 ppb |
2015-07-14 | 3282129 | 1.20 ppb |
2015-07-14 | 3282178 | 0.450 ppb |
2015-07-14 | 3282169 | 1.70 ppb |
2015-07-20 | 3283344 | 0.660 ppb |
2015-07-20 | 3283340 | 2.80 ppb |
2015-08-10 | 3296373 | 0.200 ppb |
2015-08-10 | 3296367 | 0.880 ppb |
2015-10-07 | 3336893 | 0.110 ppb |
2015-10-07 | 3336889 | 0.0970 ppb |