Know Your Environment. Protect Your Health.

Monochloroacetic acid

City of Lacy Lakeview

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
2018ND80ND
20193.69 ppb84ND - 9.60 ppb
20200.488 ppb81ND - 3.90 ppb
20210.363 ppb81ND - 2.90 ppb
20220.713 ppb82ND - 3.00 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
2018-02-13AE13517ND
2018-02-13AE13516ND
2018-05-02AE24754ND
2018-05-02AE24747ND
2018-07-17AE33565ND
2018-07-17AE33568ND
2018-10-11AE43217ND
2018-10-11AE43223ND
2019-03-20AE59208ND
2019-03-20AE59210ND
2019-05-22AE67604ND
2019-05-22AE676444.90 ppb
2019-08-15AE788427.80 ppb
2019-08-15AE78840ND
2019-11-18AE894907.20 ppb
2019-11-18AE894919.60 ppb
2020-01-29AE95922ND
2020-01-29AE95926ND
2020-04-23AF07845ND
2020-04-23AF07849ND
2020-08-17AF23689ND
2020-08-17AF23691ND
2020-12-01AF359723.90 ppb
2020-12-01AF35973ND
2021-02-23AF43905ND
2021-02-23AF43908ND
2021-04-07AF492802.90 ppb
2021-04-07AF49283ND
2021-08-10AF65574ND
2021-08-10AF65577ND
2021-10-25AF74513ND
2021-10-25AF74521ND
2022-01-24AF81236ND
2022-01-24AF81237ND
2022-04-11AF92594ND
2022-04-11AF92596ND
2022-07-07AG036523.00 ppb
2022-07-07AG036532.70 ppb
2022-10-05AG16074ND
2022-10-05AG16077ND
2023-02-14AG28781ND
2023-02-14AG28785ND
2023-04-26AG38136ND
2023-04-26AG38158ND
2023-09-20AG57038ND
2023-09-20AG57041ND
2023-12-04AG65220ND
2023-12-04AG65221ND