Molybdenum
City of The Dalles
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.
20
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 |
|---|---|---|---|---|
| 2014 | 0.939 ppb | 18 | 6 | ND - 3.70 ppb |
| 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
| Date | Lab ID | Result |
|---|---|---|
| 2014-05-07 | A4D1741-07A | 3.40 ppb |
| 2014-05-07 | A4D1741-12A | ND |
| 2014-05-07 | A4D1741-14A | ND |
| 2014-05-07 | A4D1741-04A | ND |
| 2014-05-07 | A4D1741-01A | ND |
| 2014-05-07 | A4D1741-10A | ND |
| 2014-05-21 | A4D1758-01A | 3.60 ppb |
| 2014-05-21 | A4D1758-04A | ND |
| 2014-08-06 | A4G2099-04A | ND |
| 2014-08-06 | A4G2099-01A | ND |
| 2014-10-23 | A4J1614-01A | 1.30 ppb |
| 2014-10-23 | A4J1614-07A | 3.60 ppb |
| 2014-10-23 | A4J1614-04A | 3.70 ppb |
| 2014-10-23 | A4J1614-14A | ND |
| 2014-10-23 | A4J1614-12A | ND |
| 2014-10-23 | A4J1614-10A | 1.30 ppb |
| 2014-11-26 | A4K1911-01A | ND |
| 2014-11-26 | A4K1911-03A | ND |
| 2015-02-10 | A5A0912-01A | ND |
| 2015-02-10 | A5A0912-04A | ND |