Know Your Environment. Protect Your Health.

Monochloroacetic acid

Gswc - Calipatria

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
20180.263 ppb81ND - 2.10 ppb
20190.250 ppb81ND - 2.00 ppb
20200.275 ppb81ND - 2.20 ppb
20210.575 ppb82ND - 2.40 ppb
20220.288 ppb81ND - 2.30 ppb
2023ND80ND

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
2018-02-13CA1310003_DST_900-201802131340ND
2018-02-13CA1310003_DST_901-201802131440ND
2018-05-22CA1310003_DST_901-201805221450ND
2018-05-22CA1310003_DST_900-201805221400ND
2018-08-21CA1310003_DST_901-201808211420ND
2018-08-21CA1310003_DST_900-2018082113552.10 ppb
2018-11-13CA1310003_DST_901-201811131505ND
2018-11-13CA1310003_DST_900-201811131410ND
2019-02-20CA1310003_DST_901-201902201435ND
2019-02-20CA1310003_DST_900-201902201445ND
2019-05-22CA1310003_DST_901-201905221415ND
2019-05-22CA1310003_DST_900-201905221330ND
2019-08-21CA1310003_DST_900-2019082113352.00 ppb
2019-08-21CA1310003_DST_901-201908211430ND
2019-11-18CA1310003_DST_900-201911181345ND
2019-11-18CA1310003_DST_901-201911181100ND
2020-02-18CA1310003_DST_901-2020021814302.20 ppb
2020-02-18CA1310003_DST_900-202002181335ND
2020-05-28CA1310003_DST_900-202005281328ND
2020-05-28CA1310003_DST_901-202005281340ND
2020-08-24CA1310003_DST_901-202008241410ND
2020-08-24CA1310003_DST_900-202008241340ND
2020-11-17CA1310003_DST_901-202011171400ND
2020-11-17CA1310003_DST_900-202011171310ND
2021-02-16CA1310003_DST_900-202102161315ND
2021-02-16CA1310003_DST_901-2021021614002.20 ppb
2021-05-25CA1310003_DST_900-202105251300ND
2021-05-25CA1310003_DST_901-202105251350ND
2021-08-16CA1310003_DST_900-202108161308ND
2021-08-16CA1310003_DST_901-2021081614012.40 ppb
2021-11-15CA1310003_DST_900-202111151343ND
2021-11-15CA1310003_DST_901-202111151444ND
2022-02-28CA1310003_DST_900-202202281254ND
2022-02-28CA1310003_DST_901-2022022813522.30 ppb
2022-05-16CA1310003_DST_900-202205161240ND
2022-05-16CA1310003_DST_901-202205161335ND
2022-08-08CA1310003_DST_900-202208081254ND
2022-08-08CA1310003_DST_901-202208081424ND
2022-11-15CA1310003_DST_900-202211151258ND
2022-11-15CA1310003_DST_901-202211151420ND
2023-02-13CA1310003_DST_901-202302131331ND
2023-02-13CA1310003_DST_900-202302131248ND
2023-05-24CA1310003_DST_900-202305241250ND
2023-05-24CA1310003_DST_901-202305241340ND
2023-08-28CA1310003_DST_900-202308281140ND
2023-08-28CA1310003_DST_901-202308281230ND
2023-11-20CA1310003_DST_900-202311201130ND
2023-11-20CA1310003_DST_901-202311201215ND