Chromium (hexavalent)
SJWTX Triple Peak Plant
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 | 0.0252 ppb | 38 | 15 | ND - 0.148 ppb |
2014 | ND | 2 | 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 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 |
---|---|---|
2013-06-18 | 3F21008-02A | ND |
2013-06-18 | 3F21008-14A | ND |
2013-06-18 | 3F21008-11A | ND |
2013-06-18 | 3F21008-15A | 0.0619 ppb |
2013-06-18 | 3F21008-18A | 0.0636 ppb |
2013-06-18 | 3F21008-09A | ND |
2013-06-18 | 3F21008-10A | ND |
2013-06-18 | 3F21008-01A | ND |
2013-06-18 | 3F21008-06A | 0.148 ppb |
2013-06-18 | 3F21008-05A | ND |
2013-06-19 | 3F21008-03A | 0.0538 ppb |
2013-06-19 | 3F21008-17A | ND |
2013-06-19 | 3F21008-12A | 0.0460 ppb |
2013-06-19 | 3F21008-07A | 0.0879 ppb |
2013-06-19 | 3F21008-16A | 0.0544 ppb |
2013-06-19 | 3F21008-04A | ND |
2013-06-19 | 3F21008-13A | ND |
2013-06-19 | 3F21008-08A | ND |
2013-09-25 | 3I27006-01A | ND |
2013-09-25 | 3I27006-02A | ND |
2013-12-16 | 3L24034-05 | ND |
2013-12-16 | 3L24034-08 | ND |
2013-12-16 | 3L24034-04 | ND |
2013-12-16 | 3L24034-18 | ND |
2013-12-16 | 3L24034-01 | ND |
2013-12-16 | 3L24034-12 | ND |
2013-12-16 | 3L24034-03 | ND |
2013-12-16 | 3L24034-02 | 0.0600 ppb |
2013-12-16 | 3L24034-16 | ND |
2013-12-16 | 3L24034-13 | ND |
2013-12-16 | 3L24034-10 | ND |
2013-12-17 | 3L24034-14 | 0.0527 ppb |
2013-12-17 | 3L24034-17 | 0.0651 ppb |
2013-12-17 | 3L24034-07 | 0.0576 ppb |
2013-12-17 | 3L24034-06 | 0.0611 ppb |
2013-12-17 | 3L24034-09 | 0.0323 ppb |
2013-12-17 | 3L24034-11 | 0.0408 ppb |
2013-12-17 | 3L24034-15 | 0.0730 ppb |
2014-03-31 | 4D08016-02 | ND |
2014-03-31 | 4D08016-01 | ND |