Know Your Environment. Protect Your Health.

Monochloroacetic acid

Dublin, Town of

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
20181.01 ppb85ND - 2.80 ppb
20190.713 ppb84ND - 1.80 ppb
20201.24 ppb85ND - 2.50 ppb
20211.58 ppb86ND - 2.90 ppb
20221.69 ppb86ND - 3.10 ppb
20231.46 ppb87ND - 2.40 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
2018-03-05E1802027971.20 ppb
2018-03-05E1802027991.000 ppb
2018-06-05E1805034351.10 ppb
2018-06-05E1805034372.00 ppb
2018-09-05E1808032252.80 ppb
2018-09-05E180803226ND
2018-12-03E181102789ND
2018-12-03E181102790ND
2019-03-05E190201449ND
2019-03-05E190201450ND
2019-06-03E1905027611.10 ppb
2019-06-03E1905027641.80 ppb
2019-09-04E190804149ND
2019-09-04E190804152ND
2019-12-03E1911021771.60 ppb
2019-12-03E1911021741.20 ppb
2020-03-03E200202080ND
2020-03-03E200202081ND
2020-06-01E2005023352.30 ppb
2020-06-01E2005023361.40 ppb
2020-09-02E2008004421.90 ppb
2020-09-02E2008004441.80 ppb
2020-12-01E201102138ND
2020-12-01E2011021392.50 ppb
2021-03-02E2102032101.10 ppb
2021-03-02E210203209ND
2021-06-01E2105023511.90 ppb
2021-06-01E2105023532.60 ppb
2021-09-01E2108041552.90 ppb
2021-09-01E2108041582.90 ppb
2021-12-01E2111028191.20 ppb
2021-12-01E211102821ND
2022-03-01E2202027691.70 ppb
2022-03-01E2202027661.50 ppb
2022-06-01E2205032752.10 ppb
2022-06-01E2205032762.60 ppb
2022-09-07E2208039692.50 ppb
2022-09-07E2208039703.10 ppb
2022-12-05E221102945ND
2022-12-05E221102947ND
2023-03-01E2302033851.10 ppb
2023-03-01E230203386ND
2023-06-05E2305041362.00 ppb
2023-06-05E2305041381.50 ppb
2023-09-06E2308042072.40 ppb
2023-09-06E2308042091.70 ppb
2023-12-04E2311025381.20 ppb
2023-12-04E2311025401.80 ppb