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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

Port Hueneme Water Department

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

 

60

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND80ND
2015ND40ND
2016ND120ND
2017ND40ND
2018ND160ND
20191.63 ppb166ND - 6.00 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
2014-03-035806-017-1148ND
2014-03-035806-016-1013ND
2014-03-035806-015-1100ND
2014-03-035806-014-1117ND
2014-06-049588-017-0856ND
2014-06-049588-016-1008ND
2014-06-049588-015-1100ND
2014-06-049588-014-1115ND
2015-12-149588-014-1045ND
2015-12-149588-017-1120ND
2015-12-149588-015-1030ND
2015-12-149588-016-0945ND
2016-03-035806-014-1055ND
2016-03-035806-017-1140ND
2016-03-035806-016-0820ND
2016-03-035806-015-1025ND
2016-06-065806-015-1010ND
2016-06-065806-014-1145ND
2016-06-065806-017-1200ND
2016-06-065806-016-0920ND
2016-12-145867-015-1025ND
2016-12-145867-014-1135ND
2016-12-145867-017-1215ND
2016-12-145867-016-0915ND
2017-03-085867-015-1030ND
2017-03-085867-014-1045ND
2017-03-085867-016-1015ND
2017-03-085867-017-0940ND
2018-03-055867-015-1100ND
2018-03-055867-014-1130ND
2018-03-055867-016-1020ND
2018-03-055867-017-1215ND
2018-06-195867-015-0930ND
2018-06-195867-014-1000ND
2018-06-195867-017-1100ND
2018-06-195867-016-1015ND
2018-09-105867-014-1135ND
2018-09-105867-015-1120ND
2018-09-105867-016-1100ND
2018-09-105867-017-1155ND
2018-12-105867-015-1249ND
2018-12-105867-014-1359ND
2018-12-105867-016-1206ND
2018-12-105867-017-1342ND
2019-03-045867-016-1130ND
2019-03-045867-015-1145ND
2019-03-045867-017-1345ND
2019-03-045867-014-1200ND
2019-06-125867-016-1415ND
2019-06-125867-015-14305.00 ppb
2019-06-125867-017-1515ND
2019-06-125867-014-15005.00 ppb
2019-09-095867-017-11156.00 ppb
2019-09-095867-015-10204.00 ppb
2019-09-095867-014-10403.00 ppb
2019-09-095867-016-09503.00 ppb
2019-12-025867-017-1110ND
2019-12-025867-016-1005ND
2019-12-025867-014-1025ND
2019-12-025867-015-0950ND