Know Your Environment. Protect Your Health.

Monochloroacetic acid

Del Dios Mutual Water Company

NOTE: Del Dios Mutual Water Company purchases water from Rincon Del Diablo MWD(ID-1) which is required to test for monochloroacetic acid. Sample information shown below was taken by Rincon Del Diablo MWD(ID-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.

 

87

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND110ND
2019ND10ND
2020ND10ND
2021ND10ND
2022ND10ND
2023ND20ND

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

NOTE: Del Dios Mutual Water Company purchases water from Rincon Del Diablo MWD(ID-1) which is required to test for monochloroacetic acid. Sample information shown below was taken by Rincon Del Diablo MWD(ID-1).

Date Lab ID Result
2018-02-13CA3710018_DST_902-201802130823ND
2018-02-13CA3710018_DST_900-201802130915ND
2018-02-13CA3710018_DST_901-201802131125ND
2018-02-13CA3710018_DST_903-201802130945ND
2018-05-08CA3710018_DST_902-201805080849ND
2018-05-08CA3710018_DST_903-201805081010ND
2018-05-08CA3710018_DST_900-201805080930ND
2018-08-07CA3710018_DST_900-201808071230ND
2018-08-07CA3710018_DST_901-201808071115ND
2018-08-07CA3710018_DST_902-201808070920ND
2018-08-07CA3710018_DST_903-201808071005ND
2019-02-04CA3710018_DST_901-201902041100ND
2019-02-04CA3710018_DST_900-201902041145ND
2019-02-04CA3710018_DST_903-201902041115ND
2019-02-05CA3710018_DST_902-201902050920ND
2019-05-06CA3710018_DST_902-201905061050ND
2019-05-06CA3710018_DST_903-201905061200ND
2019-05-06CA3710018_DST_901-201905061215ND
2019-05-06CA3710018_DST_900-201905061130ND
2019-11-04CA3710018_DST_901-2019110410109.40 ppb
2019-11-04CA3710018_DST_900-2019110409405.00 ppb
2019-11-04CA3710018_DST_902-2019110409104.30 ppb
2019-11-04CA3710018_DST_903-2019110411008.00 ppb
2020-02-03CA3710018_DST_903-202002031030ND
2020-02-03CA3710018_DST_900-202002031004ND
2020-02-03CA3710018_DST_901-202002031047ND
2020-02-03CA3710018_DST_902-202002030937ND
2020-05-04CA3710018_DST_903-202005041025ND
2020-05-04CA3710018_DST_902-202005041130ND
2020-05-04CA3710018_DST_901-202005041000ND
2020-05-04CA3710018_DST_900-202005041045ND
2020-08-12CA3710018_DST_902-202008120845ND
2020-08-12CA3710018_DST_903-202008121020ND
2020-08-12CA3710018_DST_900-202008120920ND
2020-08-12CA3710018_DST_901-202008121000ND
2020-11-02CA3710018_DST_901-202011021015ND
2020-11-02CA3710018_DST_902-202011020900ND
2020-11-02CA3710018_DST_900-202011020945ND
2020-11-02CA3710018_DST_903-202011021000ND
2021-02-01CA3710018_DST_901-202102010950ND
2021-02-01CA3710018_DST_902-202102010840ND
2021-02-01CA3710018_DST_900-202102010915ND
2021-02-01CA3710018_DST_903-202102010935ND
2021-05-10CA3710018_DST_903-202105101010ND
2021-05-10CA3710018_DST_901-202105101025ND
2021-05-10CA3710018_DST_900-202105100945ND
2021-05-10CA3710018_DST_902-202105100900ND
2021-08-02CA3710018_DST_903-202108020940ND
2021-08-02CA3710018_DST_900-202108020920ND
2021-08-02CA3710018_DST_901-202108020950ND
2021-08-02CA3710018_DST_902-202108020840ND
2021-11-01CA3710018_DST_900-202111010900ND
2021-11-01CA3710018_DST_903-202111010930ND
2021-11-01CA3710018_DST_902-202111010825ND
2021-11-01CA3710018_DST_901-202111010945ND
2022-02-07CA3710018_DST_902-202202070830ND
2022-02-07CA3710018_DST_901-202202070940ND
2022-02-07CA3710018_DST_903-202202070920ND
2022-02-07CA3710018_DST_900-202202070900ND
2022-05-02CA3710018_DST_903-202205020915ND
2022-05-02CA3710018_DST_902-202205020800ND
2022-05-02CA3710018_DST_901-202205020930ND
2022-05-02CA3710018_DST_900-202205020850ND
2022-08-01CA3710018_DST_901-202208010855ND
2022-08-01CA3710018_DST_902-202208010740ND
2022-08-01CA3710018_DST_903-202208010840ND
2022-08-01CA3710018_DST_900-202208010815ND
2022-11-01CA3710018_DST_903-202211010900ND
2022-11-01CA3710018_DST_901-202211010917ND
2022-11-01CA3710018_DST_900-202211010836ND
2022-11-01CA3710018_DST_902-202211010756ND
2023-02-06CA3710018_DST_903-202302060845ND
2023-02-06CA3710018_DST_902-202302060745ND
2023-02-06CA3710018_DST_901-202302060905ND
2023-02-06CA3710018_DST_900-202302060820ND
2023-05-03CA3710018_DST_900-202305030900ND
2023-05-03CA3710018_DST_902-202305030700ND
2023-05-03CA3710018_DST_901-202305030830ND
2023-05-03CA3710018_DST_903-202305030840ND
2023-08-03CA3710018_DST_902-202308031015ND
2023-08-03CA3710018_DST_901-202308030850ND
2023-08-03CA3710018_DST_900-202308030935ND
2023-08-03CA3710018_DST_903-202308030910ND
2023-11-06CA3710018_DST_903-202311060900ND
2023-11-06CA3710018_DST_901-202311060845ND
2023-11-06CA3710018_DST_900-202311060935ND
2023-11-06CA3710018_DST_902-202311061015ND