Know Your Environment. Protect Your Health.

Monochloroacetic acid

Dean Dale Special Utility District

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
20182.00 ppb87ND - 2.80 ppb
20192.66 ppb86ND - 4.30 ppb
20201.78 ppb87ND - 2.40 ppb
20211.08 ppb84ND - 2.20 ppb
20220.150 ppb81ND - 1.20 ppb
20231.83 ppb87ND - 3.60 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
2018-02-28Q1808445006ND
2018-02-28Q18084450011.90 ppb
2018-05-09Q18191940042.70 ppb
2018-05-09Q18191940022.80 ppb
2018-08-23Q18340010031.90 ppb
2018-08-23Q18340010041.50 ppb
2018-11-13Q18457210012.70 ppb
2018-11-13Q18457210032.50 ppb
2019-01-29Q19044400033.10 ppb
2019-01-29Q19044400083.20 ppb
2019-05-16Q19265630034.30 ppb
2019-05-16Q19265630044.30 ppb
2019-08-20Q1957381004ND
2019-08-20Q1957381003ND
2019-11-21Q19777880033.10 ppb
2019-11-21Q19777880043.30 ppb
2020-03-03Q20079780081.90 ppb
2020-03-03Q20079780091.70 ppb
2020-06-09Q20232200022.20 ppb
2020-06-09Q20232200032.40 ppb
2020-09-22Q20375640032.00 ppb
2020-09-30Q20384690012.00 ppb
2020-11-30Q20471890012.00 ppb
2020-11-30Q2047189002ND
2021-03-10Q21063770032.20 ppb
2021-03-10Q21063770042.00 ppb
2021-06-15Q21156010052.20 ppb
2021-06-15Q21156010062.20 ppb
2021-09-15Q2125322003ND
2021-09-15Q2125322004ND
2021-11-02Q2130740003ND
2021-11-02Q2130740004ND
2022-01-20Q2202094007ND
2022-01-20Q2202094008ND
2022-04-12Q2211206001ND
2022-04-12Q2211206004ND
2022-07-12Q2219478002ND
2022-07-12Q22194780031.20 ppb
2022-10-05Q2230107001ND
2022-10-05Q2230107004ND
2023-02-13Q23055000051.80 ppb
2023-02-13Q23055000062.10 ppb
2023-05-10Q23179640033.60 ppb
2023-05-10Q23179640043.60 ppb
2023-08-29Q2337352002ND
2023-08-29Q23373520031.20 ppb
2023-10-31Q23465890031.000 ppb
2023-10-31Q23465890041.30 ppb