Know Your Environment. Protect Your Health.

Monochloroacetic acid

Dierks Water Works

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
20182.11 ppb86ND - 3.70 ppb
20191.26 ppb84ND - 2.80 ppb
20202.03 ppb85ND - 4.40 ppb
20212.73 ppb84ND - 8.40 ppb
20221.11 ppb83ND - 3.22 ppb
20231.92 ppb85ND - 3.89 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
2018-02-1318046000201ND
2018-02-1318046001501ND
2018-05-15181370052012.40 ppb
2018-05-15181370053012.50 ppb
2018-08-14182280037013.70 ppb
2018-08-14182280038013.60 ppb
2018-11-13183190067012.20 ppb
2018-11-13183190066012.50 ppb
2019-02-1219045007901ND
2019-02-1219045007801ND
2019-05-0719129004901ND
2019-05-0719129005001ND
2019-08-13192270031012.10 ppb
2019-08-13192270034012.80 ppb
2019-11-04193110011012.60 ppb
2019-11-04193110010012.60 ppb
2020-02-0320037000801ND
2020-02-0320037000701ND
2020-05-05201280063013.20 ppb
2020-05-05201280064012.80 ppb
2020-08-1120226005101ND
2020-08-11202260050012.20 ppb
2020-11-04203100051014.40 ppb
2020-11-04203100050013.60 ppb
2021-01-2621028009801ND
2021-01-2621028009701ND
2021-05-11211330070018.40 ppb
2021-05-11211330071013.70 ppb
2021-08-03212170021016.90 ppb
2021-08-0321217002001ND
2021-10-27213000029012.80 ppb
2021-10-2721300002801ND
2022-01-3122033008901ND
2022-01-3122033008801ND
2022-05-04O197622-HAA-1ND
2022-05-04O197621-HAA-1ND
2022-08-03O200308-HAA-13.22 ppb
2022-08-03O200309-HAA-13.08 ppb
2022-10-25O203129-HAA-1ND
2022-10-25O203128-HAA-12.59 ppb
2023-02-08O206081-HAA-12.01 ppb
2023-02-08O206080-HAA-1ND
2023-05-01O208740-HAA-13.64 ppb
2023-05-01O208741-HAA-13.89 ppb
2023-07-24O210966-HAA-13.75 ppb
2023-07-24O210967-HAA-1ND
2023-10-31O213547-HAA-1ND
2023-10-31O213546-HAA-12.04 ppb