Cobalt
North Perry Ave Water District
Cobalt is a metal found throughout the environment; people may be exposed to cobalt in air, food and drinking water.
39
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 | ND | 39 | 0 | ND |
| 2014 | N/A | 0 | 0 | N/A |
| 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: 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 |
|---|---|---|
| 2013-05-20 | 201305210109AM | ND |
| 2013-05-20 | 201305210096AM | ND |
| 2013-05-20 | 201305210148AM | ND |
| 2013-05-20 | 201305210057AM | ND |
| 2013-05-20 | 201305210053AM | ND |
| 2013-05-20 | 201305210111AM | ND |
| 2013-05-20 | 201305210073AM | ND |
| 2013-05-21 | 201305220613AM | ND |
| 2013-05-21 | 201305230183AM | ND |
| 2013-05-21 | 201305220641AM | ND |
| 2013-05-21 | 201305220637AM | ND |
| 2013-05-21 | 201305220435AM | ND |
| 2013-05-21 | 201305220456AM | ND |
| 2013-05-22 | 201305230340AM | ND |
| 2013-05-22 | 201305230255AM | ND |
| 2013-05-22 | 201305230235AM | ND |
| 2013-05-22 | 201305230237AM | ND |
| 2013-05-29 | 201305300172AM | ND |
| 2013-06-19 | 201306200258AM | ND |
| 2013-11-04 | 201311050080AM | ND |
| 2013-11-04 | 201311050078AM | ND |
| 2013-11-04 | 201311050076AM | ND |
| 2013-11-04 | 201311050095AM | ND |
| 2013-11-04 | 201311050093AM | ND |
| 2013-11-04 | 201311050087AM | ND |
| 2013-11-05 | 201311060495AM | ND |
| 2013-11-05 | 201311060493AM | ND |
| 2013-11-05 | 201311060497AM | ND |
| 2013-11-05 | 201311060499AM | ND |
| 2013-11-05 | 201311060491AM | ND |
| 2013-11-05 | 201311060489AM | ND |
| 2013-11-06 | 201311070361AM | ND |
| 2013-11-06 | 201311070345AM | ND |
| 2013-11-06 | 201311070332AM | ND |
| 2013-11-06 | 201311070357AM | ND |
| 2013-11-06 | 201311070347AM | ND |
| 2013-11-06 | 201311070353AM | ND |
| 2013-11-06 | 201311070334AM | ND |
| 2013-11-06 | 201311070365AM | ND |