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EWG's Tap Water Database — 2021 UPDATE

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Trichloroacetic acid

San Bernardino City

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

 

99

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014ND90ND
2015ND120ND
2016ND120ND
2017ND120ND
2018ND220ND
2019ND320ND

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
2014-04-104790-604-0815ND
2014-04-104790-606-1113ND
2014-04-104790-602-1039ND
2014-07-104790-606-1127ND
2014-07-104790-604-0908ND
2014-07-104790-602-1059ND
2014-10-094790-606-1138ND
2014-10-094790-604-1301ND
2014-10-094790-602-0954ND
2015-01-154790-602-0750ND
2015-01-154790-604-0958ND
2015-01-154790-606-1059ND
2015-04-094790-602-0940ND
2015-04-094790-604-0800ND
2015-04-094790-606-1017ND
2015-07-094790-604-0850ND
2015-07-094790-606-0818ND
2015-07-094790-602-0740ND
2015-10-154790-604-0835ND
2015-10-154790-602-0936ND
2015-10-154790-606-1035ND
2016-01-144790-606-0834ND
2016-01-144790-604-1126ND
2016-01-144790-602-0750ND
2016-04-144790-604-0827ND
2016-04-144790-602-1039ND
2016-04-144790-606-0949ND
2016-07-144790-604-0828ND
2016-07-144790-606-1026ND
2016-07-144790-602-0944ND
2016-10-134790-604-0808ND
2016-10-134790-606-0940ND
2016-10-134790-602-0906ND
2017-01-129590-604-1127ND
2017-01-129590-602-1026ND
2017-01-129590-606-0900ND
2017-04-139590-602-0954ND
2017-04-139590-604-0908ND
2017-04-139590-606-1031ND
2017-07-139590-604-0828ND
2017-07-139590-606-1039ND
2017-07-139590-602-1056ND
2017-10-129590-604-0912ND
2017-10-129590-602-1100ND
2017-10-129590-606-1123ND
2018-01-119590-604-0915ND
2018-01-119590-602-1100ND
2018-01-119590-606-1031ND
2018-04-129590-604-0908ND
2018-04-129590-606-1105ND
2018-04-129590-602-1030ND
2018-07-124790-601-0750ND
2018-07-124790-605-1300ND
2018-07-124790-606-1033ND
2018-07-124790-604-0914ND
2018-07-124790-607-0830ND
2018-07-124790-608-1330ND
2018-07-124790-603-1128ND
2018-07-124790-602-0959ND
2018-10-114790-606-1049ND
2018-10-114790-607-0940ND
2018-10-114790-608-1300ND
2018-10-114790-601-0830ND
2018-10-114790-605-1328ND
2018-10-114790-602-1020ND
2018-10-114790-604-0904ND
2018-10-114790-603-1130ND
2019-01-104790-601-0830ND
2019-01-104790-605-1343ND
2019-01-104790-602-1030ND
2019-01-104790-604-0955ND
2019-01-104790-606-1115ND
2019-01-104790-608-1300ND
2019-01-104790-603-1145ND
2019-01-104790-607-0920ND
2019-04-114790-607-0900ND
2019-04-114790-601-0959ND
2019-04-114790-602-1025ND
2019-04-114790-608-1154ND
2019-04-114790-603-1120ND
2019-04-114790-605-1318ND
2019-04-114790-604-0930ND
2019-04-114790-606-1053ND
2019-07-124790-603-1038ND
2019-07-124790-605-1151ND
2019-07-124790-601-0740ND
2019-07-124790-604-0855ND
2019-07-124790-602-0940ND
2019-07-124790-608-1109ND
2019-07-124790-606-0959ND
2019-07-124790-607-0815ND
2019-10-104790-608-1310ND
2019-10-104790-602-1050ND
2019-10-104790-603-1155ND
2019-10-104790-606-1122ND
2019-10-104790-604-0950ND
2019-10-104790-601-1015ND
2019-10-104790-607-0920ND
2019-10-104790-605-1349ND