Know Your Environment. Protect Your Health.

Monochloroacetic acid

Mansfield Water System

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.

 

68

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20181.06 ppb166ND - 3.70 ppb
20191.06 ppb2012ND - 3.00 ppb
20200.963 ppb85ND - 1.90 ppb
20211.80 ppb85ND - 5.30 ppb
20220.975 ppb85ND - 2.50 ppb
20232.38 ppb86ND - 7.00 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
2018-03-21353817460023.70 ppb
2018-03-21353817460013.30 ppb
2018-03-21353817460023.70 ppb
2018-03-21353817460013.30 ppb
2018-06-2135400072001ND
2018-06-2135400072002ND
2018-06-2135400072002ND
2018-06-2135400072001ND
2018-09-2135419502001ND
2018-09-2135419502002ND
2018-09-2135419502002ND
2018-09-2135419502001ND
2018-12-17354384280011.50 ppb
2018-12-1735438428002ND
2018-12-17354384280011.50 ppb
2018-12-1735438428002ND
2019-03-15354550560021.30 ppb
2019-03-15354550560011.30 ppb
2019-03-15354550560021.30 ppb
2019-03-15354550560011.30 ppb
2019-06-2035477244001ND
2019-06-2035477244002ND
2019-06-2035477244002ND
2019-06-2035477244001ND
2019-07-1135481673002ND
2019-07-1135481673002ND
2019-07-1135481673001ND
2019-07-1135481673001ND
2019-09-20354995500012.50 ppb
2019-09-20354995500012.50 ppb
2019-09-25355007580013.00 ppb
2019-09-25355007580013.00 ppb
2019-12-19355203890021.30 ppb
2019-12-19355203890011.20 ppb
2019-12-19355203890011.20 ppb
2019-12-19355203890021.30 ppb
2020-03-2635540133001ND
2020-03-2635540133002ND
2020-06-26355593420011.80 ppb
2020-06-26355593420021.40 ppb
2020-09-24355805900011.90 ppb
2020-09-2435580590002ND
2020-12-04355966510011.30 ppb
2020-12-04355966510021.30 ppb
2021-03-19356205200011.50 ppb
2021-03-1935620520002ND
2021-06-17356418610011.60 ppb
2021-06-17356418610024.90 ppb
2021-09-0935662253002ND
2021-09-09356622530015.30 ppb
2021-12-03356819170021.10 ppb
2021-12-0335681917001ND
2022-03-09357036900011.60 ppb
2022-03-09357036900022.50 ppb
2022-06-16357261460011.50 ppb
2022-06-16357261460021.000 ppb
2022-09-0235744731002ND
2022-09-0235744731001ND
2022-12-0735765896002ND
2022-12-07357658960011.20 ppb
2023-03-03357835500011.30 ppb
2023-03-03357835500021.40 ppb
2023-06-2335808832001ND
2023-06-2335808832002ND
2023-09-05358260210015.40 ppb
2023-09-05358260210027.00 ppb
2023-12-19358499760011.90 ppb
2023-12-19358499760022.00 ppb