Know Your Environment. Protect Your Health.

Monochloroacetic acid

Rra Preston Shores 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.

 

48

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20181.79 ppb86ND - 3.10 ppb
20191.20 ppb83ND - 4.30 ppb
20200.713 ppb84ND - 1.90 ppb
20213.40 ppb86ND - 15.4 ppb
20221.64 ppb83ND - 9.50 ppb
20232.19 ppb86ND - 3.90 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
2018-02-21Q1807295002ND
2018-02-21Q1807295001ND
2018-06-19Q18243750062.00 ppb
2018-06-19Q18243750012.30 ppb
2018-08-30Q18350600032.10 ppb
2018-08-30Q18350600041.80 ppb
2018-12-11Q18509620013.10 ppb
2018-12-11Q18509620023.00 ppb
2019-02-25Q19079580063.70 ppb
2019-02-25Q19079580074.30 ppb
2019-05-07Q19222730011.60 ppb
2019-05-07Q1922273002ND
2019-09-11Q1964249004ND
2019-09-11Q1964249003ND
2019-11-14Q1976988001ND
2019-11-14Q1976988002ND
2020-03-02Q20077630031.90 ppb
2020-03-02Q20077630041.80 ppb
2020-05-26Q2020644001ND
2020-05-26Q2020644002ND
2020-09-17Q20372190031.000 ppb
2020-09-17Q2037219004ND
2020-12-16Q2049855001ND
2020-12-16Q20498550021.000 ppb
2021-03-22Q21072850011.80 ppb
2021-03-22Q21072850021.80 ppb
2021-05-19Q21131450051.80 ppb
2021-05-19Q211314500615.4 ppb
2021-09-14Q21250070032.30 ppb
2021-09-14Q21250070044.10 ppb
2021-11-29Q2132826001ND
2021-11-29Q2132826002ND
2022-03-02Q22072090091.50 ppb
2022-03-02Q2207209010ND
2022-05-24Q22150710019.50 ppb
2022-05-24Q2215071002ND
2022-09-01Q2226035003ND
2022-09-01Q2226035004ND
2022-11-22Q22350350012.10 ppb
2022-11-22Q2235035002ND
2023-02-22Q2307465005ND
2023-02-22Q2307465006ND
2023-06-13Q23224710013.10 ppb
2023-06-13Q23224710023.70 ppb
2023-09-06Q23384470032.00 ppb
2023-09-06Q23384470043.70 ppb
2023-12-14Q23536320011.10 ppb
2023-12-14Q23536320023.90 ppb