Menu

EWG's Tap Water Database — 2019 UPDATE

Donate

Chromium (hexavalent)

Carrolls Creek Water Authority

NOTE: Carrolls Creek Water Authority purchases water from Tuscaloosa Water & Sewer which is required to test for chromium (hexavalent). Sample information shown below was taken by Tuscaloosa Water & Sewer.

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).

 

16

Samples

0

Samples exceeding legal limit (MCL)

12

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
20130.0600 ppb660.0500 ppb - 0.0900 ppb
20140.0400 ppb220.0400 ppb
20150.0356 ppb1612ND - 0.0600 ppb
2016N/A00N/A
2017N/A00N/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

NOTE: Carrolls Creek Water Authority purchases water from Tuscaloosa Water & Sewer which is required to test for chromium (hexavalent). Sample information shown below was taken by Tuscaloosa Water & Sewer.

Date Lab ID Result
2015-01-053166875ND
2015-01-0531668450.0400 ppb
2015-01-053166856ND
2015-01-0531668870.0500 ppb
2015-04-2332305950.0500 ppb
2015-04-2332305810.0500 ppb
2015-04-2332305910.0500 ppb
2015-04-233230570ND
2015-07-1732831480.0600 ppb
2015-07-1732831800.0400 ppb
2015-07-173283282ND
2015-07-1732832590.0500 ppb
2015-10-0933394210.0300 ppb
2015-10-0933395340.0400 ppb
2015-10-0933394420.0500 ppb
2015-10-0933395700.0600 ppb