Know Your Environment. Protect Your Health.

Monochloroacetic acid

Denton County Fresh Water Supply District 11-a Paloma

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.

 

46

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.817 ppb63ND - 1.80 ppb
20190.513 ppb83ND - 1.70 ppb
20200.588 ppb84ND - 1.40 ppb
20210.300 ppb82ND - 1.30 ppb
20220.125 ppb81ND - 1.000 ppb
20231.40 ppb86ND - 2.70 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
2018-01-03Q1800338001ND
2018-04-05Q18141830021.80 ppb
2018-07-05Q18265670021.80 ppb
2018-10-03Q18397220021.30 ppb
2018-12-05Q1849641001ND
2018-12-05Q1849641002ND
2019-01-08Q1900597001ND
2019-01-08Q1900597002ND
2019-04-09Q19145100011.70 ppb
2019-04-09Q1914510002ND
2019-08-05Q19507300011.30 ppb
2019-08-05Q19507300021.10 ppb
2019-10-02Q1971117001ND
2019-10-02Q1971117002ND
2020-01-15Q2001592001ND
2020-01-15Q2001592002ND
2020-05-18Q20196730011.10 ppb
2020-05-18Q20196730021.10 ppb
2020-09-10Q20361130011.10 ppb
2020-09-10Q20361130021.40 ppb
2020-11-24Q2047160001ND
2020-11-24Q2047160002ND
2021-02-24Q2104756003ND
2021-02-24Q2104756002ND
2021-05-26Q21138160011.10 ppb
2021-05-26Q21138160021.30 ppb
2021-08-24Q2123027001ND
2021-08-24Q2123027002ND
2021-11-10Q2131593001ND
2021-11-10Q2131593002ND
2022-02-15Q2205429002ND
2022-02-15Q2205429003ND
2022-05-09Q2213786001ND
2022-05-09Q2213786002ND
2022-08-18Q22246180011.000 ppb
2022-08-18Q2224618002ND
2022-10-18Q2231733001ND
2022-10-18Q2231733002ND
2023-01-27Q2304399001ND
2023-01-27Q2304399002ND
2023-06-12Q23221150011.90 ppb
2023-06-12Q23221150021.70 ppb
2023-08-29Q23373210012.40 ppb
2023-08-29Q23373210022.70 ppb
2023-11-08Q23480500011.30 ppb
2023-11-08Q23480500021.20 ppb