Know Your Environment. Protect Your Health.

Monochloroacetic acid

Tri Try Water

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.

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20182.95 ppb442.00 ppb - 4.00 ppb
20191.58 ppb43ND - 2.70 ppb
20200.825 ppb42ND - 1.80 ppb
20211.35 ppb42ND - 3.90 ppb
20221.13 ppb42ND - 3.30 ppb
20233.50 ppb442.10 ppb - 4.40 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
2018-03-21Q18118780023.20 ppb
2018-05-29Q18212280012.60 ppb
2018-09-20Q18376610014.00 ppb
2018-11-29Q18487460012.00 ppb
2019-02-28Q1908753002ND
2019-05-21Q19273110022.70 ppb
2019-09-03Q19614910021.90 ppb
2019-11-25Q19779880021.70 ppb
2020-03-02Q20077440021.80 ppb
2020-06-03Q20219940021.50 ppb
2020-09-01Q2034859002ND
2020-12-03Q2048423002ND
2021-03-08Q2105921002ND
2021-05-20Q21132400023.90 ppb
2021-08-25Q21231970011.50 ppb
2021-11-15Q2131750002ND
2022-03-03Q2207485001ND
2022-05-25Q22152000021.20 ppb
2022-09-08Q2226796002ND
2022-11-29Q22354010023.30 ppb
2023-03-14Q23100530023.90 ppb
2023-05-17Q23186210023.60 ppb
2023-08-24Q23361930024.40 ppb
2023-11-16Q23493780022.10 ppb