Know Your Environment. Protect Your Health.

Monochloroacetic acid

City of Sansom Park

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.

 

48

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20186.03 ppb86ND - 12.3 ppb
20191.90 ppb82ND - 8.30 ppb
20200.625 ppb81ND - 5.00 ppb
2021ND80ND
2022ND80ND
20232.14 ppb85ND - 10.3 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
2018-02-07Q1805498002ND
2018-02-07Q1805498001ND
2018-05-22Q18207290026.30 ppb
2018-05-22Q182072900110.3 ppb
2018-09-12Q18365390019.80 ppb
2018-09-12Q18365390023.90 ppb
2018-11-08Q184478000112.3 ppb
2018-11-08Q18447800025.60 ppb
2019-02-06Q19054960016.90 ppb
2019-02-06Q19054960028.30 ppb
2019-05-02Q1918146016ND
2019-05-02Q1918146017ND
2019-09-13Q1965277002ND
2019-09-13Q1965277001ND
2019-11-18Q1977125001ND
2019-11-18Q1977125002ND
2020-01-21Q20022790345.00 ppb
2020-01-21Q2002279035ND
2020-05-21Q2020444001ND
2020-05-21Q2020444002ND
2020-09-01Q2034833017ND
2020-09-01Q2034833018ND
2020-10-28Q2041617001ND
2020-10-28Q2041617002ND
2021-03-09Q2106121019ND
2021-03-09Q2106121020ND
2021-04-28Q2110742001ND
2021-04-28Q2110742002ND
2021-08-03Q2120184001ND
2021-08-03Q2120184002ND
2021-11-15Q2131782006ND
2021-11-15Q2131782007ND
2022-03-14Q2208529009ND
2022-03-14Q2208529010ND
2022-05-05Q2213616008ND
2022-05-05Q2213616009ND
2022-08-01Q2221891001ND
2022-08-01Q2221891002ND
2022-10-13Q2231074016ND
2022-10-13Q2231074027ND
2023-01-18Q230259900110.3 ppb
2023-01-18Q23025990021.30 ppb
2023-04-13Q23137130091.20 ppb
2023-04-13Q23137130101.30 ppb
2023-08-15Q23340870373.00 ppb
2023-08-15Q2334087038ND
2023-12-01Q2351637001ND
2023-12-01Q2351637002ND