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EWG's Tap Water Database — 2021 UPDATE

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Haloacetic acids (HAA5)

Cordele

Haloacetic acids are formed when disinfectants such as chlorine are added to tap water. The group of five haloacetic acids regulated by federal standards includes monochloroacetic acid, dichloroacetic acid, trichloroacetic acid, monobromoacetic acid and dibromoacetic acid. Read More.

Haloacetic acids are harmful during pregnancy and may increase the risk of cancer. Haloacetic acids are� genotoxic, which means that they induce mutations and DNA damage. Multiple studies by the National Toxicology Program have demonstrated the cancer-causing properties of individual haloacetic acids in laboratory animals. The Department of Health and Human Services is currently considering listing di- or tri-haloacetic acids for possible inclusion in its comprehensive Report on Carcinogens.

Click here to read more about disinfection byproducts.

MORE ABOUT THIS CONTAMINANT

 

96

Samples

0

Samples exceeding legal limit (MCL)

22

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.488 ppb162ND - 5.60 ppb
20150.256 ppb162ND - 2.20 ppb
20161.19 ppb167ND - 5.30 ppb
20170.256 ppb161ND - 4.10 ppb
20180.531 ppb164ND - 3.40 ppb
20190.831 ppb166ND - 5.00 ppb

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 0.1 ppb

The EWG Health Guideline of 0.1 ppb for the group of five haloacetic acids, or HAA5, was defined in a peer-reviewed scientific study by EWG and represents a one-in-a-million lifetime cancer risk level. This health guideline protects against cancer.

EPA Maximum Contaminant
Level (MCL) 60 ppb

The legal limit for the group of five haloacetic acids (HAA5), established in 1998, was based on the need for residual disinfectant levels in water served to customers and the cost of treatment. This limit does not fully protect against the risk of cancer and harm to the developing fetus due to exposure to haloacetic acids.

ppb = parts per billion

All test results

Date Lab ID Result
2014-01-06AI26018ND
2014-01-06AI26017ND
2014-01-06AI26016ND
2014-01-06AI26015ND
2014-04-21AI38429ND
2014-04-21AI38428ND
2014-04-21AI38427ND
2014-04-21AI38426ND
2014-07-29AI47352ND
2014-07-29AI473512.20 ppb
2014-07-29AI473535.60 ppb
2014-07-29AI47354ND
2014-10-27AI58436ND
2014-10-27AI58435ND
2014-10-27AI58434ND
2014-10-27AI58433ND
2015-01-26AI63477ND
2015-01-26AI63476ND
2015-01-26AI63475ND
2015-01-26AI63474ND
2015-04-06AI74214ND
2015-04-06AI74215ND
2015-04-06AI74217ND
2015-04-06AI742161.90 ppb
2015-07-27AI84238ND
2015-07-27AI842372.20 ppb
2015-07-27AI84236ND
2015-07-27AI84235ND
2015-10-26AI99790ND
2015-10-26AI99789ND
2015-10-26AI99788ND
2015-10-26AI99787ND
2016-01-25AJ04924ND
2016-01-25AJ04923ND
2016-01-25AJ04925ND
2016-01-25AJ04926ND
2016-04-25AJ10771ND
2016-04-25AJ107701.80 ppb
2016-04-25AJ107691.20 ppb
2016-04-25AJ10768ND
2016-08-01AJ204561.50 ppb
2016-08-01AJ204554.00 ppb
2016-08-01AJ204541.60 ppb
2016-08-01AJ20453ND
2016-10-24AJ319825.30 ppb
2016-10-24AJ31985ND
2016-10-24AJ319843.70 ppb
2016-10-24AJ31983ND
2017-01-24AJ43440ND
2017-01-24AJ43439ND
2017-01-24AJ43438ND
2017-01-24AJ43437ND
2017-04-24AJ53886ND
2017-04-24AJ53885ND
2017-04-24AJ53884ND
2017-04-24AJ53883ND
2017-07-24AJ61566ND
2017-07-24AJ61565ND
2017-07-24AJ61567ND
2017-07-24AJ61568ND
2017-10-24AJ72340ND
2017-10-24AJ723394.10 ppb
2017-10-24AJ72338ND
2017-10-24AJ72337ND
2018-01-23AJ77026ND
2018-01-23AJ77025ND
2018-01-23AJ77024ND
2018-01-23AJ77023ND
2018-04-23AJ87903ND
2018-04-23AJ87904ND
2018-04-23AJ87906ND
2018-04-23AJ879053.40 ppb
2018-08-07AJ96764ND
2018-08-07AJ967632.40 ppb
2018-08-07AJ967621.40 ppb
2018-08-07AJ96761ND
2018-10-23AK04626ND
2018-10-23AK04625ND
2018-10-23AK046241.30 ppb
2018-10-23AK04623ND
2019-01-22AK09752ND
2019-01-22AK09751ND
2019-01-22AK09753ND
2019-01-22AK09754ND
2019-04-22AK15640ND
2019-04-22AK156392.10 ppb
2019-04-22AK156381.10 ppb
2019-04-22AK15637ND
2019-07-22AK23041ND
2019-07-22AK230405.00 ppb
2019-07-22AK230391.10 ppb
2019-07-22AK23038ND
2019-10-21AK35351ND
2019-10-21AK35354ND
2019-10-21AK353532.70 ppb
2019-10-21AK353521.30 ppb