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EWG's Tap Water Database — 2021 UPDATE

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Trichloroacetic acid

Athens - Clarke County Water System

Trichloroacetic acid, one of the group of five haloacetic acids regulated by federal standards, is formed when chlorine or other disinfectants are used to treat drinking water. Haloacetic acids and other disinfection byproducts increase the risk of cancer and may cause problems during pregnancy. Click here to read more about disinfection byproducts.

MORE ABOUT THIS CONTAMINANT

 

192

Samples

0

Samples exceeding legal limit (MCL)

163

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
201413.9 ppb3227ND - 28.0 ppb
201513.9 ppb3226ND - 30.0 ppb
201613.3 ppb3228ND - 25.0 ppb
201716.9 ppb3228ND - 30.0 ppb
201811.3 ppb3226ND - 19.0 ppb
201911.9 ppb3228ND - 27.0 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 trichloroacetic acid was proposed in 2020 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.a one-in-a-million lifetime risk of cancer. Values greater than one-in-a-million cancer risk level can result in increased cancer cases above one in a million people.

ppb = parts per billion

All test results

Date Lab ID Result
2014-01-14AI2658019.0 ppb
2014-01-14AI2658114.0 ppb
2014-01-14AI2658216.0 ppb
2014-01-14AI2658314.0 ppb
2014-01-14AI2658411.0 ppb
2014-01-14AI2658512.0 ppb
2014-01-14AI2658613.0 ppb
2014-01-14AI2658719.0 ppb
2014-04-15AI3805828.0 ppb
2014-04-15AI3805928.0 ppb
2014-04-15AI3806024.0 ppb
2014-04-15AI3806116.0 ppb
2014-04-15AI3806222.0 ppb
2014-04-15AI3806320.0 ppb
2014-04-15AI3806419.0 ppb
2014-04-15AI3806528.0 ppb
2014-07-15AI45886ND
2014-07-15AI45887ND
2014-07-15AI4588817.0 ppb
2014-07-15AI4588917.0 ppb
2014-07-15AI4589017.0 ppb
2014-07-15AI4589113.0 ppb
2014-07-15AI458921.50 ppb
2014-07-15AI458939.60 ppb
2014-10-07AI57037ND
2014-10-07AI57038ND
2014-10-07AI5703916.0 ppb
2014-10-07AI5704014.0 ppb
2014-10-07AI5704117.0 ppb
2014-10-07AI5704214.0 ppb
2014-10-07AI57043ND
2014-10-07AI570446.40 ppb
2015-01-21AI6315325.0 ppb
2015-01-21AI63154ND
2015-01-21AI6315515.0 ppb
2015-01-21AI631566.20 ppb
2015-01-21AI631579.70 ppb
2015-01-21AI6315820.0 ppb
2015-01-21AI6315917.0 ppb
2015-01-21AI6316025.0 ppb
2015-04-14AI7479115.0 ppb
2015-04-14AI74792ND
2015-04-14AI7479315.0 ppb
2015-04-14AI7479413.0 ppb
2015-04-14AI7479512.0 ppb
2015-04-14AI7479616.0 ppb
2015-04-14AI7479714.0 ppb
2015-04-14AI7479816.0 ppb
2015-07-13AI8269320.0 ppb
2015-07-13AI82694ND
2015-07-13AI8269521.0 ppb
2015-07-13AI8269624.0 ppb
2015-07-13AI8269722.0 ppb
2015-07-13AI8269820.0 ppb
2015-07-13AI82699ND
2015-07-13AI8270016.0 ppb
2015-10-21AI9958426.0 ppb
2015-10-21AI99585ND
2015-10-21AI9958630.0 ppb
2015-10-21AI995875.80 ppb
2015-10-21AI995881.000 ppb
2015-10-21AI9958925.0 ppb
2015-10-21AI99590ND
2015-10-21AI9959115.0 ppb
2016-01-19AJ0460417.0 ppb
2016-01-19AJ04605ND
2016-01-19AJ0460618.0 ppb
2016-01-19AJ0460715.0 ppb
2016-01-19AJ0460814.0 ppb
2016-01-19AJ0460913.0 ppb
2016-01-19AJ0461014.0 ppb
2016-01-19AJ0461114.0 ppb
2016-04-18AJ1024513.0 ppb
2016-04-18AJ10246ND
2016-04-18AJ1024714.0 ppb
2016-04-18AJ1024810.00 ppb
2016-04-18AJ1024914.0 ppb
2016-04-18AJ1025012.0 ppb
2016-04-18AJ1025116.0 ppb
2016-04-18AJ1025215.0 ppb
2016-07-18AJ1809425.0 ppb
2016-07-18AJ18095ND
2016-07-18AJ1809624.0 ppb
2016-07-18AJ1809724.0 ppb
2016-07-18AJ1809825.0 ppb
2016-07-18AJ1809925.0 ppb
2016-07-18AJ1810020.0 ppb
2016-07-18AJ1810123.0 ppb
2016-10-17AJ3151412.0 ppb
2016-10-17AJ31515ND
2016-10-17AJ315169.50 ppb
2016-10-17AJ315175.40 ppb
2016-10-17AJ315189.10 ppb
2016-10-17AJ315199.90 ppb
2016-10-17AJ315203.10 ppb
2016-10-17AJ3152112.0 ppb
2017-01-17AJ3816624.0 ppb
2017-01-17AJ38167ND
2017-01-17AJ3816819.0 ppb
2017-01-17AJ3816922.0 ppb
2017-01-17AJ3817030.0 ppb
2017-01-17AJ3817123.0 ppb
2017-01-17AJ381725.90 ppb
2017-01-17AJ3817321.0 ppb
2017-04-17AJ5337620.0 ppb
2017-04-17AJ53377ND
2017-04-17AJ5337823.0 ppb
2017-04-17AJ5337916.0 ppb
2017-04-17AJ5338018.0 ppb
2017-04-17AJ5338119.0 ppb
2017-04-17AJ5338221.0 ppb
2017-04-17AJ5338322.0 ppb
2017-07-17AJ6053920.0 ppb
2017-07-17AJ60540ND
2017-07-17AJ6054119.0 ppb
2017-07-17AJ6054218.0 ppb
2017-07-17AJ605436.70 ppb
2017-07-17AJ6054418.0 ppb
2017-07-17AJ605452.50 ppb
2017-07-17AJ6054621.0 ppb
2017-10-16AJ7184924.0 ppb
2017-10-16AJ71850ND
2017-10-16AJ7185126.0 ppb
2017-10-16AJ7185229.0 ppb
2017-10-16AJ7185316.0 ppb
2017-10-16AJ7185426.0 ppb
2017-10-16AJ718551.70 ppb
2017-10-16AJ7185628.0 ppb
2018-01-16AJ7665315.0 ppb
2018-01-16AJ76654ND
2018-01-16AJ7665515.0 ppb
2018-01-16AJ7665613.0 ppb
2018-01-16AJ7665710.00 ppb
2018-01-16AJ7665814.0 ppb
2018-01-16AJ7665912.0 ppb
2018-01-16AJ7666015.0 ppb
2018-04-18AJ8774517.0 ppb
2018-04-18AJ87746ND
2018-04-18AJ8774710.00 ppb
2018-04-18AJ8774816.0 ppb
2018-04-18AJ8774915.0 ppb
2018-04-18AJ8775013.0 ppb
2018-04-18AJ8775118.0 ppb
2018-04-18AJ8775215.0 ppb
2018-07-16AJ94205ND
2018-07-16AJ9420614.0 ppb
2018-07-16AJ9420714.0 ppb
2018-07-16AJ9420817.0 ppb
2018-07-16AJ9420915.0 ppb
2018-07-16AJ9421015.0 ppb
2018-07-16AJ942111.10 ppb
2018-07-16AJ9421219.0 ppb
2018-10-16AK0422516.0 ppb
2018-10-16AK04226ND
2018-10-16AK0422712.0 ppb
2018-10-16AK0422812.0 ppb
2018-10-16AK04229ND
2018-10-16AK0423013.0 ppb
2018-10-16AK04231ND
2018-10-16AK0423215.0 ppb
2019-01-15AK0950227.0 ppb
2019-01-15AK09503ND
2019-01-15AK0950410.00 ppb
2019-01-15AK0950517.0 ppb
2019-01-15AK0950624.0 ppb
2019-01-15AK0950711.0 ppb
2019-01-15AK0950817.0 ppb
2019-01-15AK0950918.0 ppb
2019-04-15AK1520915.0 ppb
2019-04-15AK1521011.0 ppb
2019-04-15AK1521117.0 ppb
2019-04-15AK152129.40 ppb
2019-04-15AK1521312.0 ppb
2019-04-15AK1521412.0 ppb
2019-04-15AK1521516.0 ppb
2019-04-15AK1521617.0 ppb
2019-07-15AK223931.70 ppb
2019-07-15AK22394ND
2019-07-15AK2239514.0 ppb
2019-07-15AK2239615.0 ppb
2019-07-15AK2239713.0 ppb
2019-07-15AK2239814.0 ppb
2019-07-15AK2239914.0 ppb
2019-07-15AK2240014.0 ppb
2019-10-15AK3517610.00 ppb
2019-10-15AK35177ND
2019-10-15AK351788.70 ppb
2019-10-15AK3517912.0 ppb
2019-10-15AK351808.90 ppb
2019-10-15AK351819.10 ppb
2019-10-15AK35182ND
2019-10-15AK3518314.0 ppb