Molybdenum
Alderwood Water District
NOTE: Alderwood Water District purchases water from City of Everett Public Works Department which is required to test for molybdenum. Sample information shown below was taken by City of Everett Public Works Department.
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 |
|---|---|---|---|---|
| 2013 | ND | 8 | 0 | ND |
| 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 |
ppb = parts per billion
State and national drinking water standards and health guidelines
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: Alderwood Water District purchases water from City of Everett Public Works Department which is required to test for molybdenum. Sample information shown below was taken by City of Everett Public Works Department.
| Date | Lab ID | Result |
|---|---|---|
| 2014-01-23 | 201401240072AM | ND |
| 2014-01-23 | 201401240052AM | ND |
| 2014-04-16 | 201404190095AM | ND |
| 2014-04-16 | 201404180338AM | ND |
| 2014-07-22 | 201407230770AM | ND |
| 2014-07-22 | 201407230532AM | ND |
| 2014-10-15 | 201410160353AM | ND |
| 2014-10-15 | 201410160323AM | ND |