Cobalt
Horsham Water&sewer Authority
Cobalt is a metal found throughout the environment; people may be exposed to cobalt in air, food and drinking water.
38
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 | 0.0800 ppb | 35 | 2 | ND - 1.50 ppb |
| 2015 | ND | 3 | 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 |
|---|---|---|
| 2014-06-24 | AE37778 | ND |
| 2014-06-24 | AE37775 | ND |
| 2014-06-24 | AE37781 | ND |
| 2014-06-24 | AE37877 | ND |
| 2014-06-24 | AE37871 | ND |
| 2014-06-24 | AE37769 | ND |
| 2014-06-24 | AE37874 | 1.50 ppb |
| 2014-06-24 | AE37772 | ND |
| 2014-06-24 | AE37868 | ND |
| 2014-06-25 | AE38119 | ND |
| 2014-06-25 | AE38113 | ND |
| 2014-06-25 | AE38110 | ND |
| 2014-06-25 | AE38116 | ND |
| 2014-06-26 | AE38214 | ND |
| 2014-06-26 | AE38211 | ND |
| 2014-07-03 | AE39279 | ND |
| 2014-07-24 | AE41843 | ND |
| 2014-09-24 | AE49704 | ND |
| 2014-09-24 | AE49702 | ND |
| 2014-09-24 | AE50038 | ND |
| 2014-12-05 | AE59397 | ND |
| 2014-12-08 | AE59491 | ND |
| 2014-12-08 | AE59488 | ND |
| 2014-12-08 | AE59494 | ND |
| 2014-12-09 | AE59781 | ND |
| 2014-12-09 | AE59784 | ND |
| 2014-12-09 | AE59778 | 1.30 ppb |
| 2014-12-10 | AE59906 | ND |
| 2014-12-10 | AE59900 | ND |
| 2014-12-10 | AE59897 | ND |
| 2014-12-10 | AE59903 | ND |
| 2014-12-12 | AE60080 | ND |
| 2014-12-12 | AE60086 | ND |
| 2014-12-12 | AE60083 | ND |
| 2014-12-12 | AE60077 | ND |
| 2015-03-18 | AE68815 | ND |
| 2015-03-19 | AE68817 | ND |
| 2015-03-19 | AE68813 | ND |