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EWG's Tap Water Database — 2021 UPDATE

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Bromochloroacetic acid

City of Santa Clara

Bromochloroacetic acid is formed when chlorine or other disinfectants are used to treat drinking water. Bromochloroacetic acid and other disinfection byproducts increase the risk of cancer and may cause problems during pregnancy.

MORE ABOUT THIS CONTAMINANT

 

162

Samples

0

Samples exceeding legal limit (MCL)

111

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
20142.62 ppb3222ND - 14.0 ppb
20152.60 ppb2616ND - 12.0 ppb
20163.59 ppb4031ND - 13.0 ppb
20172.15 ppb3223ND - 6.60 ppb
2018N/A00N/A
20191.96 ppb3219ND - 6.00 ppb

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 bromochloroacetic acid was defined in a peer-reviewed scientific study by EWG and represents a on-in-a-million lifetime cancer risk level. This health guideline protects against cancer.

ppb = parts per billion

All test results

Date Lab ID Result
2014-01-229590-900-10442.30 ppb
2014-01-229590-901-10301.90 ppb
2014-01-229590-902-11052.50 ppb
2014-01-229590-903-1015ND
2014-01-229590-904-0935ND
2014-01-229590-905-08342.00 ppb
2014-01-229590-906-08545.00 ppb
2014-01-229590-907-09553.10 ppb
2014-04-239590-900-10251.30 ppb
2014-04-239590-901-10101.40 ppb
2014-04-239590-902-10401.20 ppb
2014-04-239590-903-0955ND
2014-04-239590-904-09101.70 ppb
2014-04-239590-905-083514.0 ppb
2014-04-239590-906-085011.0 ppb
2014-04-239590-907-0930ND
2014-07-239590-900-13401.60 ppb
2014-07-239590-901-0905ND
2014-07-239590-902-09451.50 ppb
2014-07-239590-903-0845ND
2014-07-239590-904-1005ND
2014-07-239590-905-1025ND
2014-07-239590-906-10454.90 ppb
2014-07-239590-907-11306.50 ppb
2014-10-249590-900-0910ND
2014-10-249590-901-09301.20 ppb
2014-10-249590-902-08551.20 ppb
2014-10-249590-903-0915ND
2014-10-249590-904-10253.00 ppb
2014-10-249590-905-09356.00 ppb
2014-10-249590-906-09555.60 ppb
2014-10-249590-907-10455.00 ppb
2015-01-219590-900-12153.00 ppb
2015-01-219590-901-11422.80 ppb
2015-01-219590-902-11262.80 ppb
2015-01-219590-903-1150ND
2015-01-219590-904-0948ND
2015-01-219590-905-1003ND
2015-01-219590-906-102612.0 ppb
2015-01-219590-907-09265.40 ppb
2015-04-229590-900-09451.20 ppb
2015-04-229590-901-09151.30 ppb
2015-04-229590-902-1010ND
2015-04-229590-903-0858ND
2015-04-229590-904-11252.20 ppb
2015-04-229590-905-1410ND
2015-04-229590-906-143510.00 ppb
2015-04-229590-907-1140ND
2015-07-239590-906-09107.40 ppb
2015-07-239590-907-10153.00 ppb
2015-10-219590-900-13211.70 ppb
2015-10-219590-901-1125ND
2015-10-219590-902-13402.00 ppb
2015-10-219590-903-1108ND
2015-10-219590-904-10224.10 ppb
2015-10-219590-905-0923ND
2015-10-219590-906-09574.40 ppb
2015-10-219590-907-10414.40 ppb
2016-01-209590-900-10003.80 ppb
2016-01-209590-901-09352.40 ppb
2016-01-209590-902-10203.50 ppb
2016-01-209590-903-0915ND
2016-01-209590-904-13564.20 ppb
2016-01-209590-905-10458.00 ppb
2016-01-209590-906-11029.20 ppb
2016-01-209590-907-14138.00 ppb
2016-01-279590-900-11273.20 ppb
2016-01-279590-901-11053.20 ppb
2016-01-279590-902-11463.40 ppb
2016-01-279590-903-10503.20 ppb
2016-01-279590-904-1206ND
2016-01-279590-905-1218ND
2016-01-279590-906-12328.60 ppb
2016-01-279590-907-13568.90 ppb
2016-04-209590-900-10212.20 ppb
2016-04-209590-901-10021.80 ppb
2016-04-209590-902-10432.20 ppb
2016-04-209590-903-0942ND
2016-04-209590-904-1159ND
2016-04-209590-905-1106ND
2016-04-209590-906-112913.0 ppb
2016-04-209590-907-122412.0 ppb
2016-07-209590-900-11031.60 ppb
2016-07-209590-901-08271.70 ppb
2016-07-209590-902-08551.80 ppb
2016-07-209590-903-0809ND
2016-07-209590-904-10074.30 ppb
2016-07-209590-905-09256.30 ppb
2016-07-209590-906-09426.50 ppb
2016-07-209590-907-1022ND
2016-10-269590-900-09271.80 ppb
2016-10-269590-901-09141.20 ppb
2016-10-269590-902-09401.30 ppb
2016-10-269590-903-0901ND
2016-10-269590-904-10555.30 ppb
2016-10-269590-905-10031.50 ppb
2016-10-269590-906-10214.60 ppb
2016-10-269590-907-11084.70 ppb
2017-01-259590-900-11281.60 ppb
2017-01-259590-901-12011.80 ppb
2017-01-259590-902-10541.70 ppb
2017-01-259590-903-11461.70 ppb
2017-01-259590-904-0959ND
2017-01-259590-905-08522.90 ppb
2017-01-259590-906-09155.60 ppb
2017-01-259590-907-10283.20 ppb
2017-04-199590-900-12001.60 ppb
2017-04-199590-901-10481.70 ppb
2017-04-199590-902-12191.60 ppb
2017-04-199590-903-10351.70 ppb
2017-04-199590-904-0952ND
2017-04-199590-905-08382.00 ppb
2017-04-199590-906-09036.20 ppb
2017-04-199590-907-10106.60 ppb
2017-08-029590-900-1053ND
2017-08-029590-901-10381.10 ppb
2017-08-029590-902-11181.20 ppb
2017-08-029590-903-1025ND
2017-08-029590-904-09384.70 ppb
2017-08-029590-905-08415.50 ppb
2017-08-029590-906-09015.50 ppb
2017-08-029590-907-0953ND
2017-10-189590-900-1014ND
2017-10-189590-901-0929ND
2017-10-189590-902-0959ND
2017-10-189590-903-0914ND
2017-10-189590-904-11442.90 ppb
2017-10-189590-905-11553.20 ppb
2017-10-189590-906-12533.00 ppb
2017-10-189590-907-12121.70 ppb
2019-01-169590-900-09571.60 ppb
2019-01-169590-901-09341.60 ppb
2019-01-169590-902-1016ND
2019-01-169590-903-09241.30 ppb
2019-01-169590-904-07413.90 ppb
2019-01-169590-905-07535.70 ppb
2019-01-169590-906-08095.40 ppb
2019-01-169590-907-0852ND
2019-04-179590-900-09341.60 ppb
2019-04-179590-901-09181.60 ppb
2019-04-179590-902-0949ND
2019-04-179590-903-09061.80 ppb
2019-04-179590-904-1012ND
2019-04-179590-905-1028ND
2019-04-179590-906-10555.60 ppb
2019-04-179590-907-11196.00 ppb
2019-07-159590-900-1116ND
2019-07-159590-901-1056ND
2019-07-159590-902-1129ND
2019-07-159590-903-1040ND
2019-07-159590-904-09495.10 ppb
2019-07-159590-905-10095.30 ppb
2019-07-159590-906-09265.00 ppb
2019-07-159590-907-0843ND
2019-10-159590-900-08141.20 ppb
2019-10-159590-901-07581.40 ppb
2019-10-159590-902-08341.30 ppb
2019-10-159590-903-0745ND
2019-10-159590-904-10172.60 ppb
2019-10-159590-905-0941ND
2019-10-159590-906-09584.60 ppb
2019-10-159590-907-1028ND