Chromium (hexavalent)
Springs Hill WSC
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 |
---|---|---|---|---|
2013 | 0.0548 ppb | 28 | 18 | ND - 0.173 ppb |
2014 | N/A | 0 | 0 | N/A |
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 |
---|---|---|
2013-03-19 | 3C22015-08 | 0.0952 ppb |
2013-03-19 | 3C22015-01 | 0.173 ppb |
2013-03-19 | 3C22015-02 | 0.0913 ppb |
2013-03-19 | 3C22015-03 | 0.104 ppb |
2013-03-19 | 3C22015-05 | 0.1000 ppb |
2013-03-19 | 3C22015-04 | ND |
2013-03-19 | 3C22015-07 | 0.0924 ppb |
2013-03-19 | 3C22015-06 | ND |
2013-06-19 | 3F21006-05A | ND |
2013-06-19 | 3F21006-06A | 0.119 ppb |
2013-06-19 | 3F21006-03A | 0.0444 ppb |
2013-06-19 | 3F21006-02A | ND |
2013-06-19 | 3F21006-01A | 0.0383 ppb |
2013-06-19 | 3F21006-04A | ND |
2013-09-19 | 3I27020-07A | 0.0900 ppb |
2013-09-19 | 3I27020-03A | ND |
2013-09-19 | 3I27020-02A | ND |
2013-09-19 | 3I27020-04A | 0.128 ppb |
2013-09-19 | 3I27020-06A | ND |
2013-09-19 | 3I27020-05A | 0.0610 ppb |
2013-09-19 | 3I27020-08A | ND |
2013-09-19 | 3I27020-01A | ND |
2013-12-19 | 3L24014-01 | 0.0650 ppb |
2013-12-19 | 3L24014-05 | 0.0727 ppb |
2013-12-19 | 3L24014-06 | 0.0858 ppb |
2013-12-19 | 3L24014-04 | 0.0541 ppb |
2013-12-19 | 3L24014-03 | 0.0679 ppb |
2013-12-19 | 3L24014-02 | 0.0519 ppb |