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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

Lamont Public Utility District

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

 

86

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND170ND
2015ND160ND
2016ND160ND
20172.38 ppb123ND - 12.0 ppb
2018ND160ND
2019ND90ND

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
2014-01-225806-902-0900ND
2014-01-225806-900-0845ND
2014-01-225806-901-0830ND
2014-01-225806-903-0915ND
2014-04-215806-903-0915ND
2014-04-215806-902-0850ND
2014-04-215806-901-0745ND
2014-04-215806-900-0812ND
2014-07-155806-026-0630ND
2014-07-215806-903-1050ND
2014-07-215806-902-1108ND
2014-07-215806-901-1150ND
2014-07-215806-900-1120ND
2014-10-205806-902-1000ND
2014-10-205806-901-1030ND
2014-10-205806-903-0945ND
2014-10-205806-900-1015ND
2015-01-205806-902-1010ND
2015-01-205806-903-1025ND
2015-01-205806-901-1050ND
2015-01-205806-900-1040ND
2015-04-205806-903-0945ND
2015-04-205806-902-1005ND
2015-04-205806-900-1025ND
2015-04-205806-901-1050ND
2015-07-205806-900-1211ND
2015-07-205806-901-1146ND
2015-07-205806-903-1009ND
2015-07-205806-902-1030ND
2015-10-295806-900-0736ND
2015-10-295806-901-0817ND
2015-10-295806-903-0855ND
2015-10-295806-902-0841ND
2016-01-265806-903-1050ND
2016-01-265806-900-1200ND
2016-01-265806-901-1140ND
2016-01-265806-902-1035ND
2016-04-265806-903-0820ND
2016-04-265806-902-0800ND
2016-04-265806-900-0925ND
2016-04-265806-901-0900ND
2016-07-255806-901-0945ND
2016-07-255806-902-0805ND
2016-07-255806-903-0830ND
2016-07-255806-900-1015ND
2016-10-245806-901-0918ND
2016-10-245806-903-0840ND
2016-10-245806-900-0938ND
2016-10-245806-902-0820ND
2017-01-245806-900-0915ND
2017-01-245806-903-0815ND
2017-01-245806-902-0930ND
2017-01-245806-901-0855ND
2017-07-245806-900-1400ND
2017-07-245806-903-1150ND
2017-07-245806-901-1250ND
2017-07-245806-902-111512.0 ppb
2017-10-235806-902-08106.50 ppb
2017-10-235806-901-1026ND
2017-10-235806-903-0845ND
2017-10-235806-900-100010.00 ppb
2018-01-235806-902-0825ND
2018-01-235806-903-0845ND
2018-01-235806-901-0940ND
2018-01-235806-900-0915ND
2018-04-245806-902-0848ND
2018-04-245806-903-1252ND
2018-04-245806-900-1335ND
2018-04-245806-901-1325ND
2018-07-105806-900-1045ND
2018-07-105806-901-1030ND
2018-07-105806-902-0827ND
2018-07-105806-903-0847ND
2018-10-225806-901-1040ND
2018-10-225806-900-1130ND
2018-10-225806-903-1013ND
2018-10-225806-902-0954ND
2019-01-165806-900-1110ND
2019-01-165806-903-0755ND
2019-01-165806-902-0715ND
2019-01-165806-901-1058ND
2019-04-175806-901-0815ND
2019-04-175806-903-0928ND
2019-04-185806-901-1136ND
2019-08-215806-903-0806ND
2019-08-215806-901-0938ND