Know Your Environment. Protect Your Health.

Monochloroacetic acid

U.s. Coast Guard Training Center

NOTE: U.s. Coast Guard Training Center purchases water from City of Petaluma which is required to test for monochloroacetic acid. Sample information shown below was taken by City of Petaluma.

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.

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND20ND
2020ND20ND
2021ND20ND
2022ND20ND
2023ND40ND

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

NOTE: U.s. Coast Guard Training Center purchases water from City of Petaluma which is required to test for monochloroacetic acid. Sample information shown below was taken by City of Petaluma.

Date Lab ID Result
2018-03-07CA4910006_DST_049-201803071315ND
2018-03-07CA4910006_DST_044-201803071325ND
2019-03-27CA4910006_DST_044-201903271108ND
2019-03-27CA4910006_DST_049-201903271045ND
2020-02-26CA4910006_DST_044-202002260758ND
2020-02-26CA4910006_DST_049-202002260830ND
2021-03-09CA4910006_DST_049-202103090950ND
2021-03-09CA4910006_DST_044-202103091025ND
2022-03-10CA4910006_DST_044-202203101517ND
2022-03-10CA4910006_DST_049-202203101435ND
2023-03-22CA4910006_DST_044-202303221417ND
2023-03-22CA4910006_DST_049-202303221440ND
2023-12-12CA4910006_DST_044-202312121350ND
2023-12-12CA4910006_DST_049-202312121425ND