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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

City of Brawley

Monochloroacetic 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

 

80

Samples

0

Samples exceeding legal limit (MCL)

1

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
20142.35 ppb189ND - 8.60 ppb
201514.1 ppb2213ND - 75.0 ppb
2016N/A00N/A
2017N/A00N/A
2018ND160ND
20190.0833 ppb241ND - 2.00 ppb

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 53 ppb

The EWG Health Guideline of 53 ppb for monochloroacetic 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.. This health guideline protects against system toxicity.

ppb = parts per billion

All test results

Date Lab ID Result
2014-03-314790-900-1103ND
2014-03-314790-901-1205ND
2014-03-314790-903-1040ND
2014-03-314790-902-1235ND
2014-06-162119-900-18482.39 ppb
2014-06-162119-901-1808ND
2014-06-162119-903-1823ND
2014-06-162119-902-00002.87 ppb
2014-09-154790-900-14146.20 ppb
2014-09-154790-901-13587.30 ppb
2014-09-154790-902-13288.60 ppb
2014-09-154790-903-13447.20 ppb
2014-10-314790-902-09223.40 ppb
2014-10-314790-901-07152.20 ppb
2014-10-314790-903-0535ND
2014-10-314790-900-10422.10 ppb
2014-12-184790-902-0707ND
2014-12-184790-903-0635ND
2015-01-204790-900-1106ND
2015-01-204790-901-1045ND
2015-03-184790-900-0648ND
2015-03-184790-903-08172.10 ppb
2015-03-184790-902-0718ND
2015-03-184790-901-0756ND
2015-06-154790-900-0653ND
2015-06-154790-901-0724ND
2015-06-154790-902-0540ND
2015-06-154790-903-0618ND
2015-09-144790-900-063812.0 ppb
2015-09-144790-901-07244.10 ppb
2015-09-144790-902-07444.60 ppb
2015-09-144790-903-065823.0 ppb
2015-12-154790-900-061016.0 ppb
2015-12-154790-901-070517.0 ppb
2015-12-154790-903-063516.0 ppb
2015-12-154790-902-074018.0 ppb
2015-12-314790-903-065875.0 ppb
2015-12-314790-900-064545.0 ppb
2015-12-314790-901-071441.0 ppb
2015-12-314790-902-074037.0 ppb
2018-03-123761-900-0505ND
2018-03-123761-902-0625ND
2018-03-123761-901-0555ND
2018-03-123761-903-0530ND
2018-06-183761-900-1625ND
2018-06-183761-902-1805ND
2018-06-183761-901-1730ND
2018-06-183761-903-1700ND
2018-09-173761-902-0600ND
2018-09-173761-901-0525ND
2018-09-173761-900-0430ND
2018-09-173761-903-0500ND
2018-12-173761-902-0650ND
2018-12-173761-901-0615ND
2018-12-173761-900-0510ND
2018-12-173761-903-0545ND
2019-03-183761-903-0510ND
2019-03-183761-902-0605ND
2019-03-183761-901-0545ND
2019-03-183761-900-0440ND
2019-04-044790-900-0555ND
2019-04-044790-903-0622ND
2019-04-044790-902-0720ND
2019-04-044790-901-0650ND
2019-06-193761-901-0525ND
2019-06-193761-900-04352.00 ppb
2019-06-193761-902-0555ND
2019-06-193761-903-0500ND
2019-07-024790-901-0720ND
2019-07-024790-900-0640ND
2019-07-024790-903-0655ND
2019-07-024790-902-0735ND
2019-09-183761-900-0540ND
2019-09-183761-903-0615ND
2019-09-183761-902-0710ND
2019-09-183761-901-0640ND
2019-12-173761-900-0545ND
2019-12-173761-902-0710ND
2019-12-173761-901-0640ND
2019-12-173761-903-0615ND