Chromium (hexavalent)
New Braunfels Utilities
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).
38
Samples
0
Samples exceeding legal limit (MCL)
28
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2014 | 0.0674 ppb | 19 | 15 | ND - 0.156 ppb |
| 2015 | 0.0542 ppb | 19 | 13 | ND - 0.179 ppb |
| 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 |
|---|---|---|
| 2014-07-01 | 4G08017-02 | 0.140 ppb |
| 2014-07-01 | 4G08017-06 | 0.0537 ppb |
| 2014-07-01 | 4G08017-10 | 0.0609 ppb |
| 2014-07-01 | 4G08017-03 | 0.0472 ppb |
| 2014-07-01 | 4G08017-04 | 0.143 ppb |
| 2014-07-01 | 4G08017-01 | 0.0692 ppb |
| 2014-07-01 | 4G08017-11 | 0.0615 ppb |
| 2014-07-01 | 4G08017-05 | ND |
| 2014-07-01 | 4G08017-09 | 0.0443 ppb |
| 2014-07-01 | 4G08017-12 | 0.156 ppb |
| 2014-07-01 | 4G08017-07 | 0.104 ppb |
| 2014-07-01 | 4G08017-08 | 0.0505 ppb |
| 2014-10-08 | 4J14016-06 | 0.0895 ppb |
| 2014-10-08 | 4J14016-01 | ND |
| 2014-10-08 | 4J14016-02 | 0.0811 ppb |
| 2014-10-08 | 4J14016-07 | 0.142 ppb |
| 2014-10-08 | 4J14016-03 | ND |
| 2014-10-08 | 4J14016-04 | ND |
| 2014-10-08 | 4J14016-05 | 0.0370 ppb |
| 2015-01-12 | 5A16003-08 | 0.0401 ppb |
| 2015-01-12 | 5A16003-11 | 0.0474 ppb |
| 2015-01-12 | 5A16003-02 | 0.179 ppb |
| 2015-01-12 | 5A16003-06 | 0.0407 ppb |
| 2015-01-12 | 5A16003-12 | 0.173 ppb |
| 2015-01-12 | 5A16003-09 | 0.0542 ppb |
| 2015-01-12 | 5A16003-10 | 0.0506 ppb |
| 2015-01-12 | 5A16003-07 | 0.0399 ppb |
| 2015-01-12 | 5A16003-04 | 0.148 ppb |
| 2015-01-12 | 5A16003-01 | ND |
| 2015-01-12 | 5A16003-03 | 0.0337 ppb |
| 2015-01-12 | 5A16003-05 | 0.0301 ppb |
| 2015-04-22 | 5D29018-04 | ND |
| 2015-04-22 | 5D29018-03 | ND |
| 2015-04-22 | 5D29018-02 | ND |
| 2015-04-22 | 5D29018-07 | 0.156 ppb |
| 2015-04-22 | 5D29018-05 | 0.0362 ppb |
| 2015-04-22 | 5D29018-06 | ND |
| 2015-04-22 | 5D29018-01 | ND |