Know Your Environment. Protect Your Health.

Monochloroacetic acid

Trophy Club Municipal Utility District 1

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
20180.888 ppb84ND - 2.00 ppb
20191.33 ppb86ND - 2.40 ppb
20200.963 ppb85ND - 2.00 ppb
20210.413 ppb82ND - 2.30 ppb
20221.16 ppb82ND - 4.80 ppb
20231.73 ppb86ND - 4.10 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
2018-01-08Q1800562002ND
2018-01-08Q1800562001ND
2018-04-11Q18151870061.80 ppb
2018-04-11Q18151870021.50 ppb
2018-07-16Q1828197001ND
2018-07-16Q1828197002ND
2018-10-17Q18417470012.00 ppb
2018-10-17Q18417470021.80 ppb
2019-02-06Q19056140012.00 ppb
2019-02-06Q19056140021.90 ppb
2019-04-18Q19157180021.10 ppb
2019-04-18Q19157180062.40 ppb
2019-07-29Q19497700021.60 ppb
2019-07-29Q19497700011.60 ppb
2019-10-21Q1973466001ND
2019-10-21Q1973466002ND
2020-02-03Q20045030011.20 ppb
2020-02-03Q2004503002ND
2020-05-12Q20184060101.70 ppb
2020-05-12Q20184060111.80 ppb
2020-09-09Q20359760012.00 ppb
2020-09-09Q20359760021.000 ppb
2020-11-16Q2045210001ND
2020-11-16Q2045210002ND
2021-01-27Q2102038002ND
2021-01-27Q2102038003ND
2021-05-20Q2113241001ND
2021-05-20Q2113241002ND
2021-07-19Q21188480012.30 ppb
2021-07-19Q21188480021.000 ppb
2021-10-21Q2129765001ND
2021-10-21Q2129765002ND
2022-02-17Q2205964005ND
2022-02-17Q2205964006ND
2022-04-25Q2212331001ND
2022-04-25Q2212331002ND
2022-09-12Q2226980001ND
2022-09-12Q2226980002ND
2022-11-15Q22342770014.80 ppb
2022-11-15Q22342770024.50 ppb
2023-01-26Q23037440011.50 ppb
2023-01-26Q23037440022.00 ppb
2023-04-24Q23152560091.80 ppb
2023-04-24Q23152560101.70 ppb
2023-07-03Q23260930012.70 ppb
2023-07-03Q23260930024.10 ppb
2023-10-25Q2346053001ND
2023-10-25Q2346053002ND