Chromium (hexavalent)
Meridian Water Department
Chromium (hexavalent) is a carcinogen that commonly contaminates American drinking water. Chromium (hexavalent) in drinking water may be due to industrial pollution or natural occurrences in mineral deposits and groundwater. Read more about chromium (hexavalent).
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | 0.122 ppb | 72 | 44 | ND - 0.400 ppb |
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 0.02 ppb
The EWG Health Guideline of 0.02 ppb for chromium (hexavalent) was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against cancer.
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2014-03-03 | 1403043-001B | 0.140 ppb |
2014-03-03 | 1403056-001B | 0.130 ppb |
2014-03-03 | 1403054-001B | 0.310 ppb |
2014-03-03 | 1403051-001B | 0.120 ppb |
2014-03-03 | 1403052-001B | 0.110 ppb |
2014-03-03 | 1403049-001B | 0.120 ppb |
2014-03-03 | 1403040-001B | ND |
2014-03-03 | 1403050-001B | 0.310 ppb |
2014-03-03 | 1403041-001B | ND |
2014-03-03 | 1403044-001B | 0.120 ppb |
2014-03-03 | 1403055-001B | 0.300 ppb |
2014-03-03 | 1403042-001B | 0.330 ppb |
2014-03-03 | 1403053-001B | 0.1000 ppb |
2014-03-03 | 1403045-001B | 0.340 ppb |
2014-03-03 | 1403047-001B | ND |
2014-03-03 | 1403048-001B | 0.340 ppb |
2014-03-04 | 1403136-001B | ND |
2014-03-04 | 1403046-001B | ND |
2014-03-04 | 1403132-001B | ND |
2014-03-04 | 1403133-001B | 0.270 ppb |
2014-03-04 | 1403137-001B | ND |
2014-03-04 | 1403134-001B | ND |
2014-03-04 | 1403154-001B | ND |
2014-03-04 | 1403135-001B | 0.180 ppb |
2014-03-04 | 1403131-001B | ND |
2014-03-05 | 1403158-001B | ND |
2014-03-05 | 1403159-001B | 0.1000 ppb |
2014-03-05 | 1403156-001B | ND |
2014-03-05 | 1403155-001B | 0.0460 ppb |
2014-03-05 | 1403157-001B | 0.250 ppb |
2014-03-05 | 1403160-001B | 0.130 ppb |
2014-03-06 | 1403211-001B | ND |
2014-03-06 | 1403213-001B | ND |
2014-03-06 | 1403214-001B | ND |
2014-03-06 | 1403212-001B | ND |
2014-04-08 | 1404324-001B | 0.400 ppb |
2014-09-02 | 1409072-001B | 0.220 ppb |
2014-09-02 | 1409080-001B | 0.110 ppb |
2014-09-02 | 1409079-001B | 0.260 ppb |
2014-09-02 | 1409078-001B | 0.0640 ppb |
2014-09-02 | 1409085-001B | ND |
2014-09-02 | 1409084-001B | 0.160 ppb |
2014-09-02 | 1409082-001B | 0.150 ppb |
2014-09-02 | 1409093-001B | 0.150 ppb |
2014-09-02 | 1409075-001B | 0.390 ppb |
2014-09-02 | 1409081-001B | 0.120 ppb |
2014-09-02 | 1409086-001B | 0.180 ppb |
2014-09-02 | 1409074-001B | 0.220 ppb |
2014-09-02 | 1409073-001B | 0.310 ppb |
2014-09-02 | 1409083-001B | 0.130 ppb |
2014-09-02 | 1409091-001B | ND |
2014-09-02 | 1409095-001B | 0.270 ppb |
2014-09-02 | 1409094-001B | 0.210 ppb |
2014-09-02 | 1409087-001B | 0.240 ppb |
2014-09-03 | 1409119-001B | ND |
2014-09-03 | 1409115-001B | ND |
2014-09-03 | 1409118-001B | ND |
2014-09-03 | 1409116-001B | ND |
2014-09-03 | 1409117-001B | 0.160 ppb |
2014-09-03 | 1409114-001B | ND |
2014-09-04 | 1409163-001B | ND |
2014-09-04 | 1409164-001B | 0.190 ppb |
2014-09-08 | 1409268-001B | ND |
2014-09-08 | 1409266-001B | ND |
2014-09-08 | 1409269-001B | 0.280 ppb |
2014-09-08 | 1409267-001B | 0.0480 ppb |
2014-09-08 | 1409265-001B | ND |
2014-09-09 | 1409319-001B | 0.400 ppb |
2014-09-09 | 1409316-001B | 0.0960 ppb |
2014-09-09 | 1409317-001B | ND |
2014-09-09 | 1409318-001B | 0.110 ppb |
2014-09-09 | 1409315-001B | 0.190 ppb |