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EWG's Tap Water Database — 2021 UPDATE

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Bromochloroacetic acid

Mesa Water District

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

 

144

Samples

0

Samples exceeding legal limit (MCL)

94

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
20142.13 ppb3226ND - 4.60 ppb
20151.08 ppb3222ND - 2.20 ppb
20160.628 ppb3216ND - 1.70 ppb
20171.60 ppb3221ND - 3.90 ppb
20180.800 ppb169ND - 2.30 ppb
2019N/A00N/A

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
2014-02-119590-801-07552.10 ppb
2014-02-119590-802-08102.10 ppb
2014-02-119590-803-08252.00 ppb
2014-02-119590-804-09501.20 ppb
2014-02-119590-805-1020ND
2014-02-119590-806-11402.10 ppb
2014-02-119590-807-11501.80 ppb
2014-02-119590-808-12051.80 ppb
2014-05-139590-801-08153.10 ppb
2014-05-139590-802-08303.10 ppb
2014-05-139590-803-08453.20 ppb
2014-05-139590-804-0940ND
2014-05-139590-805-10103.00 ppb
2014-05-139590-806-11153.00 ppb
2014-05-139590-807-11253.30 ppb
2014-05-139590-808-11403.00 ppb
2014-08-149590-801-09553.00 ppb
2014-08-149590-802-10102.00 ppb
2014-08-149590-803-10251.20 ppb
2014-08-149590-804-1140ND
2014-08-149590-805-12103.10 ppb
2014-08-149590-806-13254.60 ppb
2014-08-149590-807-13354.50 ppb
2014-08-149590-808-13554.40 ppb
2014-11-129590-801-08251.40 ppb
2014-11-129590-802-0835ND
2014-11-129590-803-08501.20 ppb
2014-11-129590-804-1000ND
2014-11-129590-805-1035ND
2014-11-129590-806-11552.80 ppb
2014-11-129590-807-12052.80 ppb
2014-11-129590-808-12202.20 ppb
2015-02-109590-801-09151.20 ppb
2015-02-109590-802-09351.30 ppb
2015-02-109590-803-09551.70 ppb
2015-02-109590-804-10401.20 ppb
2015-02-109590-805-1100ND
2015-02-109590-806-11102.20 ppb
2015-02-109590-807-11201.10 ppb
2015-02-109590-808-1130ND
2015-05-129590-801-08301.70 ppb
2015-05-129590-802-08451.70 ppb
2015-05-129590-803-09001.60 ppb
2015-05-129590-804-1015ND
2015-05-129590-805-10451.60 ppb
2015-05-129590-806-11551.80 ppb
2015-05-129590-807-12101.90 ppb
2015-05-129590-808-12251.80 ppb
2015-08-119590-801-08201.60 ppb
2015-08-119590-802-08351.60 ppb
2015-08-119590-803-08501.60 ppb
2015-08-119590-804-08551.10 ppb
2015-08-119590-805-10451.70 ppb
2015-08-119590-806-11101.70 ppb
2015-08-119590-807-11201.60 ppb
2015-08-119590-808-11301.60 ppb
2015-11-109590-801-0905ND
2015-11-109590-802-08551.10 ppb
2015-11-109590-803-0840ND
2015-11-109590-804-0920ND
2015-11-109590-805-0940ND
2015-11-109590-806-0820ND
2015-11-109590-807-0810ND
2015-11-109590-808-0755ND
2016-02-099590-801-0935ND
2016-02-099590-802-0920ND
2016-02-099590-803-09051.10 ppb
2016-02-099590-804-0950ND
2016-02-099590-805-0845ND
2016-02-099590-806-08051.30 ppb
2016-02-099590-807-08201.10 ppb
2016-02-099590-808-07501.000 ppb
2016-05-109590-801-08101.40 ppb
2016-05-109590-802-08251.20 ppb
2016-05-109590-803-07551.40 ppb
2016-05-109590-804-0740ND
2016-05-109590-805-0845ND
2016-05-109590-806-09051.40 ppb
2016-05-109590-807-09151.50 ppb
2016-05-109590-808-09301.40 ppb
2016-08-099590-801-0940ND
2016-08-099590-802-0930ND
2016-08-099590-803-09151.000 ppb
2016-08-099590-804-0905ND
2016-08-099590-805-0845ND
2016-08-099590-806-0830ND
2016-08-099590-807-0815ND
2016-08-099590-808-0800ND
2016-11-089590-801-07301.000 ppb
2016-11-089590-802-07451.000 ppb
2016-11-089590-803-07551.000 ppb
2016-11-089590-804-0805ND
2016-11-089590-805-0820ND
2016-11-089590-806-08351.70 ppb
2016-11-089590-807-08451.60 ppb
2016-11-089590-808-0855ND
2017-02-149590-801-1045ND
2017-02-149590-802-1030ND
2017-02-149590-803-1005ND
2017-02-149590-804-1015ND
2017-02-149590-805-0910ND
2017-02-149590-806-0930ND
2017-02-149590-807-0945ND
2017-02-149590-808-0955ND
2017-05-089590-801-08452.10 ppb
2017-05-089590-802-10301.10 ppb
2017-05-089590-803-10151.20 ppb
2017-05-089590-804-10001.80 ppb
2017-05-089590-805-1100ND
2017-05-089590-806-1115ND
2017-05-089590-807-10451.000 ppb
2017-05-089590-808-1100ND
2017-08-089590-801-08303.90 ppb
2017-08-089590-802-08352.10 ppb
2017-08-089590-803-08453.00 ppb
2017-08-089590-804-09252.40 ppb
2017-08-089590-805-10403.40 ppb
2017-08-089590-806-11003.50 ppb
2017-08-089590-807-11153.50 ppb
2017-08-089590-808-11253.80 ppb
2017-11-149590-801-10302.40 ppb
2017-11-149590-802-10152.40 ppb
2017-11-149590-803-09452.40 ppb
2017-11-149590-804-10001.20 ppb
2017-11-149590-805-09302.50 ppb
2017-11-149590-806-08452.40 ppb
2017-11-149590-807-08302.60 ppb
2017-11-149590-808-08152.40 ppb
2018-02-139590-801-0810ND
2018-02-139590-802-0825ND
2018-02-139590-803-0835ND
2018-02-139590-804-0850ND
2018-02-139590-805-0905ND
2018-02-139590-806-09202.30 ppb
2018-02-139590-807-09301.90 ppb
2018-02-139590-808-09452.00 ppb
2018-05-089590-801-11051.000 ppb
2018-05-089590-802-10501.000 ppb
2018-05-089590-803-10401.10 ppb
2018-05-089590-804-1030ND
2018-05-089590-805-08201.10 ppb
2018-05-089590-806-08051.20 ppb
2018-05-089590-807-07551.20 ppb
2018-05-089590-808-0740ND