Know Your Environment. Protect Your Health.

Monochloroacetic acid

Cedarville Waterworks

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
20181.24 ppb84ND - 2.80 ppb
20190.700 ppb82ND - 3.50 ppb
20200.888 ppb83ND - 2.60 ppb
20212.01 ppb84ND - 5.50 ppb
20221.00 ppb82ND - 5.47 ppb
20230.941 ppb83ND - 2.96 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
2018-01-1518019001601ND
2018-01-1518019001501ND
2018-04-16181090061012.30 ppb
2018-04-16181090060012.40 ppb
2018-07-16181980031012.40 ppb
2018-07-16181980032012.80 ppb
2018-10-1518291002301ND
2018-10-1518291002201ND
2019-02-1919052006501ND
2019-02-1919052006401ND
2019-04-1519108003901ND
2019-04-1519108003801ND
2019-07-1519199001701ND
2019-07-15191990018012.10 ppb
2019-10-1519290002701ND
2019-10-15192900026013.50 ppb
2020-02-1120044003501ND
2020-02-1120044003601ND
2020-04-2020114002701ND
2020-04-20201140028012.10 ppb
2020-07-13201980119012.40 ppb
2020-07-1320198011801ND
2020-10-2020296003901ND
2020-10-20202960040012.60 ppb
2021-01-2021021003001ND
2021-01-2021021002901ND
2021-04-20211120025015.50 ppb
2021-04-20211120026015.40 ppb
2021-07-20212030030012.90 ppb
2021-07-20212030031012.30 ppb
2021-10-2021294005801ND
2021-10-2021294005701ND
2022-01-1922020011901ND
2022-01-1922020012001ND
2022-04-20O197182-HAA-1ND
2022-04-20O197183-HAA-1ND
2022-07-20O199922-HAA-12.54 ppb
2022-07-20O199921-HAA-1ND
2022-10-18O202868-HAA-15.47 ppb
2022-10-18O202869-HAA-1ND
2023-01-18O205343-HAA-1ND
2023-01-18O205344-HAA-1ND
2023-05-02O208703-HAA-1ND
2023-05-02O208704-HAA-12.46 ppb
2023-07-19O211134-HAA-12.96 ppb
2023-07-19O210845-HAA-1ND
2023-10-16O212995-HAA-12.11 ppb
2023-10-16O212996-HAA-1ND