Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Chromium (total)

Prattville

Chromium is a naturally occurring metal, but industrial uses can elevate its levels in water. One form, hexavalent chromium, causes cancer. Total chromium is not a good indicator of the amount of hexavalent chromium in drinking water.

MORE ABOUT THIS CONTAMINANT

 

74

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.154 ppb5029ND - 0.400 ppb
2015N/A00N/A
2016ND120ND
2017N/A00N/A
2018N/A00N/A
2019ND120ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EPA Maximum Contaminant
Level (MCL) 100 ppb

The legal limit for total chromium, established in 1991, was based on a 1958 toxicity study in laboratory animals, and applies to both the less-toxic trivalent chromium and the more-toxic hexavalent chromium forms of this compound. This limit does not protect against the risk of cancer from ingestion of hexavalent chromium.

ppb = parts per billion

All test results

Date Lab ID Result
2014-06-2430521940.300 ppb
2014-06-2430529690.300 ppb
2014-06-2430520910.200 ppb
2014-06-2430520750.200 ppb
2014-06-2430521900.300 ppb
2014-06-2430522730.300 ppb
2014-06-2430521260.400 ppb
2014-06-2430521220.200 ppb
2014-06-2430523200.200 ppb
2014-06-2430521180.300 ppb
2014-06-243052241ND
2014-06-2430521360.400 ppb
2014-06-243052203ND
2014-06-2530529310.300 ppb
2014-06-2530529650.300 ppb
2014-06-253052927ND
2014-06-253052834ND
2014-06-253052872ND
2014-06-2530527370.300 ppb
2014-06-253052876ND
2014-06-2530528260.200 ppb
2014-06-253052923ND
2014-06-253052880ND
2014-06-2530529560.300 ppb
2014-09-293117468ND
2014-10-293130935ND
2014-12-1631573550.300 ppb
2014-12-1631573960.300 ppb
2014-12-1631572830.200 ppb
2014-12-163157142ND
2014-12-1631573840.300 ppb
2014-12-1631573470.200 ppb
2014-12-163157287ND
2014-12-163157138ND
2014-12-163156959ND
2014-12-163156905ND
2014-12-1631572520.200 ppb
2014-12-163157279ND
2014-12-1831594170.200 ppb
2014-12-183159434ND
2014-12-1831592860.300 ppb
2014-12-1831592460.200 ppb
2014-12-183159232ND
2014-12-183159408ND
2014-12-1831593860.200 ppb
2014-12-183159425ND
2014-12-1831592360.300 ppb
2014-12-1831593950.200 ppb
2014-12-183159404ND
2014-12-1831594210.300 ppb
2016-07-11L846362-5ND
2016-07-11L846362-1ND
2016-07-11L846362-2ND
2016-07-11L846362-3ND
2016-07-11L846362-4ND
2016-07-11L846362-7ND
2016-07-12L846647-9ND
2016-07-12L846647-8ND
2016-07-12L846647-2ND
2016-07-12L846647-10ND
2016-07-12L846647-6ND
2016-07-12L846647-1ND
2019-04-23L1091837-04ND
2019-04-23L1091837-09ND
2019-04-23L1091837-06ND
2019-04-23L1091837-11IND
2019-04-23L1091837-11ND
2019-04-23L1091837-10ND
2019-04-23L1091837-08ND
2019-04-23L1091837-07ND
2019-04-23L1091837-03ND
2019-04-23L1091837-02ND
2019-04-23L1091837-01ND
2019-04-23L1091837-05ND