Cobalt
Oklahoma University
NOTE: Oklahoma University purchases water from Norman which is required to test for cobalt. Sample information shown below was taken by Norman.
Cobalt is a metal found throughout the environment; people may be exposed to cobalt in air, food and drinking water.
Samples
Samples exceeding legal limit (MCL)
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2014 | ND | 2 | 0 | ND |
| 2015 | ND | 6 | 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
NOTE: Oklahoma University purchases water from Norman which is required to test for cobalt. Sample information shown below was taken by Norman.
| Date | Lab ID | Result |
|---|---|---|
| 2013-04-08 | 713272-8691 | ND |
| 2013-04-08 | 713324-8826 | ND |
| 2013-04-08 | 713266-8810 | ND |
| 2013-04-08 | 713289-8691 | ND |
| 2013-04-08 | 713252-8810 | ND |
| 2013-04-08 | 713283-8691 | ND |
| 2013-04-08 | 713212-8905 | ND |
| 2013-04-08 | 713210-8905 | ND |
| 2013-04-08 | 713268-8691 | ND |
| 2013-04-08 | 713285-8691 | ND |
| 2013-04-08 | 713250-8679 | ND |
| 2013-04-08 | 713225-8905 | ND |
| 2013-04-08 | 713227-8905 | ND |
| 2013-04-08 | 713328-8826 | ND |
| 2013-04-08 | 713281-8691 | ND |
| 2013-04-08 | 713279-8691 | ND |
| 2013-04-08 | 713214-8905 | ND |
| 2013-04-08 | 713201-8905 | ND |
| 2013-04-08 | 713203-8905 | ND |
| 2013-04-08 | 713205-8905 | ND |
| 2013-04-08 | 713207-8905 | ND |
| 2013-04-08 | 713242-8679 | ND |
| 2013-04-08 | 713248-8905 | ND |
| 2013-04-08 | 713316-8826 | ND |
| 2013-04-08 | 713229-8905 | ND |
| 2013-04-08 | 713314-8826 | ND |
| 2013-04-08 | 713254-8810 | ND |
| 2013-04-08 | 713235-8905 | ND |
| 2013-04-08 | 713322-8826 | ND |
| 2013-04-08 | 713196-8679 | ND |
| 2013-04-08 | 713308-8826 | ND |
| 2013-04-08 | 713270-8691 | ND |
| 2013-04-08 | 713199-8679 | ND |
| 2013-04-08 | 713262-8691 | ND |
| 2013-04-08 | 713304-8826 | ND |
| 2013-04-08 | 713258-8810 | ND |
| 2013-07-10 | 730579-9319 | ND |
| 2013-07-10 | 730583-9319 | ND |
| 2013-07-10 | 730577-9319 | ND |
| 2013-07-10 | 730581-9319 | ND |
| 2013-10-16 | 753372-10161 | ND |
| 2013-10-16 | 753344-10161 | ND |
| 2013-10-16 | 753754-10147 | ND |
| 2013-10-16 | 753366-10161 | ND |
| 2013-10-16 | 753374-10161 | ND |
| 2013-10-16 | 753511-10147 | ND |
| 2013-10-16 | 753370-10161 | ND |
| 2013-10-16 | 753362-10161 | ND |
| 2013-10-16 | 753410-10161 | ND |
| 2013-10-16 | 753386-10161 | ND |
| 2013-10-16 | 753368-10161 | ND |
| 2013-10-16 | 753364-10161 | ND |
| 2013-10-16 | 753429-10161 | ND |
| 2013-10-16 | 753358-10161 | ND |
| 2013-10-16 | 753360-10161 | ND |
| 2013-10-16 | 753416-10161 | ND |
| 2013-10-16 | 753423-10161 | ND |
| 2013-10-16 | 753509-10147 | ND |
| 2013-10-16 | 753382-10161 | ND |
| 2013-10-16 | 753427-10161 | ND |
| 2013-10-16 | 753378-10161 | ND |
| 2013-10-16 | 753401-10161 | ND |
| 2013-10-16 | 753418-10161 | ND |
| 2013-10-16 | 753352-10161 | ND |
| 2013-10-16 | 753413-10161 | ND |
| 2013-10-16 | 753425-10161 | ND |
| 2013-10-16 | 753513-10147 | ND |
| 2013-10-16 | 753346-10161 | ND |
| 2013-10-16 | 753384-10161 | ND |
| 2013-10-16 | 753376-10161 | ND |
| 2013-10-16 | 753397-10161 | ND |
| 2013-10-16 | 753399-10161 | ND |
| 2013-10-16 | 753380-10161 | ND |
| 2013-10-16 | 753348-10161 | ND |
| 2013-10-16 | 753350-10161 | ND |
| 2013-10-16 | 753421-10161 | ND |
| 2014-02-11 | 770262-10752 | ND |
| 2014-02-11 | 770264-10752 | ND |
| 2014-02-11 | 770224-10752 | ND |
| 2014-03-24 | 776656-11013 | ND |