Molybdenum
City of West Richland
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.
18
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 | 5.70 ppb | 6 | 6 | 1.70 ppb - 10.6 ppb |
| 2014 | 2.02 ppb | 12 | 7 | ND - 6.80 ppb |
| 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: 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
| Date | Lab ID | Result |
|---|---|---|
| 2013-10-07 | WA97-SE1-13-19288-43767 | 3.40 ppb |
| 2013-10-07 | WA97-SE1-13-19288-43765 | 1.70 ppb |
| 2013-10-07 | WA97-SE1-13-19288-43768 | 10.6 ppb |
| 2013-10-07 | WA97-SE1-13-19288-43766 | 10.5 ppb |
| 2013-10-07 | WA97-SE1-13-19288-43764 | 5.30 ppb |
| 2013-10-17 | WA97-SE1-13-19288-43763 | 2.72 ppb |
| 2014-01-15 | WA97-SE2-14-00933-2439 | ND |
| 2014-01-15 | WA97-SE2-14-00933-2440 | 1.09 ppb |
| 2014-04-10 | WA97-SE2-14-06353-15388 | 2.30 ppb |
| 2014-04-10 | WA97-SE2-14-06353-15391 | 3.50 ppb |
| 2014-04-10 | WA97-SE2-14-06353-15393 | ND |
| 2014-04-10 | WA97-SE2-14-06353-15387 | 6.30 ppb |
| 2014-04-10 | WA97-SE2-14-06353-15386 | 2.70 ppb |
| 2014-04-10 | WA97-SE2-14-06353-15392 | 1.50 ppb |
| 2014-04-10 | WA97-SE2-14-06353-15390 | ND |
| 2014-04-10 | WA97-SE2-14-06353-15389 | 6.80 ppb |
| 2014-07-07 | WA97-SE4-14-12445-29280 | ND |
| 2014-07-07 | WA97-SE4-14-12445-29279 | ND |