Chromium (hexavalent)
City of Talladega Water and Sewer Board
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).
32
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 | 0.183 ppb | 16 | 16 | 0.0420 ppb - 0.300 ppb |
| 2015 | 0.128 ppb | 16 | 12 | ND - 0.280 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 |
|---|---|---|
| 2014-09-17 | 35155538013AM | 0.210 ppb |
| 2014-09-17 | 35155538009AM | 0.250 ppb |
| 2014-09-17 | 35155538023AM | 0.250 ppb |
| 2014-09-17 | 35155538007AM | 0.290 ppb |
| 2014-09-17 | 35155538005AM | 0.260 ppb |
| 2014-09-17 | 35155538021AM | 0.260 ppb |
| 2014-09-17 | 35155538019AM | 0.300 ppb |
| 2014-09-17 | 35155538017AM | 0.0420 ppb |
| 2014-09-17 | 35155538003AM | 0.0450 ppb |
| 2014-09-17 | 35155538001AM | 0.0460 ppb |
| 2014-09-17 | 35155538011AM | 0.290 ppb |
| 2014-09-17 | 35155538015AM | 0.290 ppb |
| 2014-12-17 | 35168476005AM | 0.0470 ppb |
| 2014-12-17 | 35168476003AM | 0.0430 ppb |
| 2014-12-17 | 35168476001AM | 0.0470 ppb |
| 2014-12-17 | 35168476007AM | 0.260 ppb |
| 2015-03-11 | 35179286018AM | 0.0630 ppb |
| 2015-03-11 | 35179286016AM | 0.0770 ppb |
| 2015-03-11 | 351792860031AM | 0.0580 ppb |
| 2015-03-11 | 35179286001AM | 0.0620 ppb |
| 2015-03-11 | 35179286020AM | 0.260 ppb |
| 2015-03-11 | 35179286015AM | 0.230 ppb |
| 2015-03-11 | 35179286007AM | 0.260 ppb |
| 2015-03-11 | 35179286011AM | 0.0800 ppb |
| 2015-03-11 | 35179286022AM | 0.240 ppb |
| 2015-03-11 | 35179286013AM | 0.280 ppb |
| 2015-03-11 | 35179286005AM | 0.240 ppb |
| 2015-03-11 | 35179286009AM | 0.200 ppb |
| 2015-06-09 | 15061573-001 | ND |
| 2015-06-09 | 15061573-004 | ND |
| 2015-06-09 | 15061573-002 | ND |
| 2015-06-09 | 15061573-003 | ND |