Know Your Environment. Protect Your Health.

Monochloroacetic acid

Navarro Mills Water Supply Corporation

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
20183.35 ppb86ND - 7.00 ppb
20190.563 ppb82ND - 3.30 ppb
20200.413 ppb82ND - 1.90 ppb
20210.625 ppb82ND - 3.70 ppb
2022ND80ND
20234.25 ppb87ND - 7.20 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
2018-01-31Q1803718006ND
2018-01-31Q1803718005ND
2018-04-17Q18155840104.60 ppb
2018-04-17Q18155840094.30 ppb
2018-07-19Q18287980027.00 ppb
2018-07-19Q18287980032.80 ppb
2018-10-23Q18427710025.70 ppb
2018-10-23Q18427710032.40 ppb
2019-02-06Q19058060033.30 ppb
2019-02-06Q1905806007ND
2019-04-18Q1915792001ND
2019-04-18Q19157920031.20 ppb
2019-07-31Q1949402003ND
2019-07-31Q1949402002ND
2019-10-17Q1972995002ND
2019-10-17Q1972995003ND
2020-01-29Q2003552006ND
2020-01-29Q2003552007ND
2020-04-14Q2014705002ND
2020-04-14Q2014705003ND
2020-07-21Q20284100021.90 ppb
2020-07-21Q20284100031.40 ppb
2020-10-23Q2041396002ND
2020-10-23Q2041396003ND
2021-01-12Q2100675012ND
2021-01-12Q2100675013ND
2021-04-12Q2109261002ND
2021-04-12Q2109261003ND
2021-07-08Q21179260013.70 ppb
2021-07-08Q21179260021.30 ppb
2021-10-11Q2128082002ND
2021-10-11Q2128082003ND
2022-03-10Q2208301002ND
2022-03-10Q2208301003ND
2022-04-14Q2211616003ND
2022-04-14Q2211616004ND
2022-08-23Q2224993001ND
2022-08-23Q2224993003ND
2022-11-15Q2234312002ND
2022-11-15Q2234312003ND
2023-02-15Q23062960033.20 ppb
2023-02-15Q23062960042.70 ppb
2023-06-19Q23230930025.70 ppb
2023-06-19Q23230930033.40 ppb
2023-09-06Q23384310027.00 ppb
2023-09-06Q23384310037.20 ppb
2023-10-31Q2346546002ND
2023-10-31Q23465460034.80 ppb