Molybdenum
Rockwood People's Utilities Department
NOTE: Rockwood People's Utilities Department purchases water from Portland Water Bureau which is required to test for molybdenum. Sample information shown below was taken by Portland Water Bureau.
Molybdenum is a metal that occurs naturally in soil, minerals and water. People who ingest large amounts can have increased levels of uric acid and gout-like symptoms.
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 | 6 | 0 | ND |
| 2015 | ND | 2 | 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: 40 ppb
The EWG Health Guideline of 40 ppb for molybdenum was defined by the Environmental Protection Agency as a benchmark for testing under the Unregulated Contaminant Monitoring Rule program. This health guideline protects against metabolic changes and excess formation of uric acid in the blood.
ppb = parts per billion
All test results
NOTE: Rockwood People's Utilities Department purchases water from Portland Water Bureau which is required to test for molybdenum. Sample information shown below was taken by Portland Water Bureau.
| Date | Lab ID | Result |
|---|---|---|
| 2014-03-19 | 201403200265AM | ND |
| 2014-03-19 | 201403200340AM | ND |
| 2014-06-26 | 201406270313AM | ND |
| 2014-06-26 | 201406270434AM | ND |
| 2014-07-08 | 201407090732AM | ND |
| 2014-09-11 | 201409120826AM | ND |
| 2014-09-11 | 201409120957AM | ND |
| 2014-12-10 | 201412110822AM | ND |
| 2014-12-10 | 201412110612AM | ND |
| 2015-06-17 | 201506180496AM | ND |