Cobalt
Trophy Club Municipal Utility District 1
NOTE: Trophy Club Municipal Utility District 1 purchases water from City of Fort Worth which is required to test for cobalt. Sample information shown below was taken by City of Fort Worth.
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 | 8 | 0 | ND |
| 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
NOTE: Trophy Club Municipal Utility District 1 purchases water from City of Fort Worth which is required to test for cobalt. Sample information shown below was taken by City of Fort Worth.
| Date | Lab ID | Result |
|---|---|---|
| 2013-06-25 | 201306270160AM | ND |
| 2013-06-25 | 201306270142AM | ND |
| 2013-06-25 | 201306270171AM | ND |
| 2013-06-25 | 201306270212AM | ND |
| 2013-06-25 | 201306270204AM | ND |
| 2013-06-25 | 201306270210AM | ND |
| 2013-06-25 | 201306270151AM | ND |
| 2013-06-25 | 201306270200AM | ND |
| 2013-06-25 | 201306270202AM | ND |
| 2013-09-11 | 201309130533AM | ND |
| 2013-09-11 | 201309130526AM | ND |
| 2013-09-11 | 201309130628AM | ND |
| 2013-09-11 | 201309130562AM | ND |
| 2013-09-11 | 201309130626AM | ND |
| 2013-09-11 | 201309130558AM | ND |
| 2013-09-11 | 201309130535AM | ND |
| 2013-09-11 | 201309130531AM | ND |
| 2013-12-03 | 201312090020AM | ND |
| 2013-12-03 | 201312090008AM | ND |
| 2013-12-03 | 201312090005AM | ND |
| 2013-12-03 | 201312090014AM | ND |
| 2013-12-03 | 201312090010AM | ND |
| 2013-12-03 | 201312090012AM | ND |
| 2013-12-03 | 201312090016AM | ND |
| 2013-12-03 | 201312090018AM | ND |
| 2014-03-05 | 201403070185AM | ND |
| 2014-03-05 | 201403070132AM | ND |
| 2014-03-05 | 201403070197AM | ND |
| 2014-03-05 | 201403070128AM | ND |
| 2014-03-05 | 201403070183AM | ND |
| 2014-03-05 | 201403070187AM | ND |
| 2014-03-05 | 201403070189AM | ND |