Cobalt
North Penn Water Authority
Cobalt is a metal found throughout the environment; people may be exposed to cobalt in air, food and drinking water.
50
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 |
|---|---|---|---|---|
| 2015 | ND | 50 | 0 | ND |
| 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: 70 ppb
The EWG Health Guideline of 70 ppb for cobalt was defined by the Environmental Protection Agency as a benchmark for testing under the Unregulated Contaminant Monitoring Rule program. This health guideline protects against change in blood chemistry.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2015-01-13 | 3170084 | ND |
| 2015-01-13 | 3170142 | ND |
| 2015-01-13 | 3170187 | ND |
| 2015-01-13 | 3170241 | ND |
| 2015-01-13 | 3170071 | ND |
| 2015-01-13 | 3170109 | ND |
| 2015-01-13 | 3170228 | ND |
| 2015-01-13 | 3170006 | ND |
| 2015-01-13 | 3170051 | ND |
| 2015-01-13 | 3170219 | ND |
| 2015-01-13 | 3170135 | ND |
| 2015-01-13 | 3170065 | ND |
| 2015-01-13 | 3170237 | ND |
| 2015-01-13 | 3170019 | ND |
| 2015-01-13 | 3170210 | ND |
| 2015-01-13 | 3170183 | ND |
| 2015-01-13 | 3170157 | ND |
| 2015-01-13 | 3170038 | ND |
| 2015-01-13 | 3170201 | ND |
| 2015-01-13 | 3169999 | ND |
| 2015-01-13 | 3170101 | ND |
| 2015-01-13 | 3170197 | ND |
| 2015-02-02 | 3180017 | ND |
| 2015-04-08 | 3220921 | ND |
| 2015-04-08 | 3220954 | ND |
| 2015-07-14 | 3282138 | ND |
| 2015-07-14 | 3282187 | ND |
| 2015-07-14 | 3282223 | ND |
| 2015-07-14 | 3282096 | ND |
| 2015-07-14 | 3282092 | ND |
| 2015-07-14 | 3282120 | ND |
| 2015-07-14 | 3282151 | ND |
| 2015-07-14 | 3282100 | ND |
| 2015-07-14 | 3282196 | ND |
| 2015-07-14 | 3282104 | ND |
| 2015-07-14 | 3282108 | ND |
| 2015-07-14 | 3282214 | ND |
| 2015-07-14 | 3282160 | ND |
| 2015-07-14 | 3282112 | ND |
| 2015-07-14 | 3282147 | ND |
| 2015-07-14 | 3282246 | ND |
| 2015-07-14 | 3282129 | ND |
| 2015-07-14 | 3282169 | ND |
| 2015-07-14 | 3282178 | ND |
| 2015-07-20 | 3283340 | ND |
| 2015-07-20 | 3283344 | ND |
| 2015-08-10 | 3296373 | ND |
| 2015-08-10 | 3296367 | ND |
| 2015-10-07 | 3336893 | ND |
| 2015-10-07 | 3336889 | ND |