Know Your Environment. Protect Your Health.

Monochloroacetic acid

Ebarb Wwks District # 1 - N Ebarb/belmont

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.

 

64

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.475 ppb164ND - 2.30 ppb
20190.188 ppb162ND - 1.50 ppb
20200.575 ppb84ND - 1.30 ppb
20211.49 ppb881.000 ppb - 2.10 ppb
20221.46 ppb87ND - 2.40 ppb
20231.15 ppb85ND - 2.70 ppb

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 53 ppb

The EWG Health Guideline of 53 ppb for monochloroacetic acid was defined by the California Office of Environmental Health Hazard Assessment's public health goal, the level of a drinking water contaminant that does not pose a significant health risk.a public health goal. This health guideline protects against change to fetal growth and development.

ppb = parts per billion

All test results

Date Lab ID Result
2018-03-2135381743001ND
2018-03-2135381743002ND
2018-03-2135381743002ND
2018-03-2135381743001ND
2018-06-1835399479002ND
2018-06-1835399479001ND
2018-06-1835399479002ND
2018-06-1835399479001ND
2018-09-1735418757001ND
2018-09-1735418757002ND
2018-09-1735418757001ND
2018-09-1735418757002ND
2018-12-10354369250011.50 ppb
2018-12-10354369250011.50 ppb
2018-12-10354369250022.30 ppb
2018-12-10354369250022.30 ppb
2019-03-1135454284001ND
2019-03-1135454284002ND
2019-03-1135454284001ND
2019-03-1135454284002ND
2019-06-1235475453001ND
2019-06-1235475453002ND
2019-06-1235475453001ND
2019-06-1235475453002ND
2019-09-11354975690021.50 ppb
2019-09-1135497569001ND
2019-09-1135497569001ND
2019-09-11354975690021.50 ppb
2019-12-1135518855001ND
2019-12-1135518855002ND
2019-12-1135518855002ND
2019-12-1135518855001ND
2020-03-1135537267002ND
2020-03-1135537267001ND
2020-06-08355555350011.10 ppb
2020-06-08355555350021.30 ppb
2020-09-3035581982001ND
2020-09-30355819820021.30 ppb
2020-12-1435599281001ND
2020-12-14355992810020.900 ppb
2021-03-09356187350011.40 ppb
2021-03-09356187350022.00 ppb
2021-06-15356418140011.60 ppb
2021-06-15356418140022.10 ppb
2021-09-21356660800011.40 ppb
2021-09-21356660800021.30 ppb
2021-12-13356846660011.10 ppb
2021-12-13356846660021.000 ppb
2022-03-15357051380021.30 ppb
2022-03-15357051380011.90 ppb
2022-06-27357281680021.40 ppb
2022-06-2735728168001ND
2022-09-12357468300011.40 ppb
2022-09-12357468300021.90 ppb
2022-12-06357651600012.40 ppb
2022-12-06357651600021.40 ppb
2023-03-07357846200011.40 ppb
2023-03-07357846200021.50 ppb
2023-06-1235806292001ND
2023-06-1235806292002ND
2023-09-05358257680012.70 ppb
2023-09-05358257680022.30 ppb
2023-12-05358465780011.30 ppb
2023-12-0535846578002ND