Know Your Environment. Protect Your Health.

Dichloroacetic acid

Meridian Water Department

Dichloroacetic 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.

 

149

Samples

0

Samples exceeding legal limit (MCL)

5

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.209 ppb234ND - 1.40 ppb
2019ND300ND
2020ND240ND
2021ND240ND
2022ND240ND
20230.0500 ppb241ND - 1.20 ppb

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.2 ppb

The EWG Health Guideline of 0.2 ppb for dichloroacetic 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. This health guideline protects against cancer and harm to reproduction and child development.

ppb = parts per billion

All test results

Date Lab ID Result
2018-03-06D201803090744ND
2018-03-06D201803090747ND
2018-03-06D201803090746ND
2018-03-06D201803090745ND
2018-05-23D201805240688ND
2018-05-23D201805240689ND
2018-05-23D201805240690ND
2018-05-23D201805240687ND
2018-07-09D201807111080ND
2018-07-09D201807111081ND
2018-07-09D201807111082ND
2018-07-09D201807111079ND
2018-07-09D201807111078ND
2018-07-09D201807111077ND
2018-07-09D201807111076ND
2018-07-09D201807111074ND
2018-07-09D201807111075ND
2018-11-26D201811270533ND
2018-11-26D2018112705321.40 ppb
2018-11-26D2018112705311.000 ppb
2018-11-26D201811270530ND
2018-11-26D2018112705291.40 ppb
2018-11-26D2018112705281.000 ppb
2019-01-29D201902010362ND
2019-01-29D201902010361ND
2019-01-29D201902010360ND
2019-01-29D201902010365ND
2019-01-29D201902010364ND
2019-01-29D201902010363ND
2019-06-18D201906200380ND
2019-06-18D201906200381ND
2019-06-18D201906200382ND
2019-06-18D201906200383ND
2019-06-18D201906200384ND
2019-06-18D201906200379ND
2019-06-18201906200379ND
2019-06-18201906200380ND
2019-06-18201906200381ND
2019-06-18201906200382ND
2019-06-18201906200383ND
2019-06-18201906200384ND
2019-09-24201909250359ND
2019-09-24201909250360ND
2019-09-24201909250361ND
2019-09-24201909250362ND
2019-09-24201909250363ND
2019-09-24201909250364ND
2019-11-12201911130448ND
2019-11-12201911130449ND
2019-11-12201911130450ND
2019-11-12201911130451ND
2019-11-12201911130452ND
2019-11-12201911130453ND
2020-03-03202003040692ND
2020-03-03202003040693ND
2020-03-03202003040694ND
2020-03-03202003040695ND
2020-03-03202003040696ND
2020-03-03202003040697ND
2020-04-21202004220893ND
2020-04-21202004220894ND
2020-04-21202004220895ND
2020-04-21202004220896ND
2020-04-21202004220897ND
2020-04-21202004220898ND
2020-07-13202007140425ND
2020-07-13202007140426ND
2020-07-13202007140427ND
2020-07-13202007140428ND
2020-07-13202007140429ND
2020-07-13202007140430ND
2020-11-12202011130876ND
2020-11-12202011130877ND
2020-11-12202011130878ND
2020-11-12202011130879ND
2020-11-12202011130880ND
2020-11-12202011130881ND
2021-01-27202101280244ND
2021-01-27202101280249ND
2021-01-27202101280247ND
2021-01-27202101280246ND
2021-01-27202101280248ND
2021-01-27202101280245ND
2021-04-28202104290425ND
2021-04-28202104290423ND
2021-04-28202104290421ND
2021-04-28202104290422ND
2021-04-28202104290424ND
2021-04-28202104290420ND
2021-07-28202107290502ND
2021-07-28202107290506ND
2021-07-28202107290501ND
2021-07-28202107290505ND
2021-07-28202107290503ND
2021-07-28202107290504ND
2021-10-27202110281063ND
2021-10-27202110281058ND
2021-10-27202110281060ND
2021-10-27202110281061ND
2021-10-27202110281059ND
2021-10-27202110281062ND
2022-02-16202202180560ND
2022-02-16202202180561ND
2022-02-16202202180562ND
2022-02-16202202180563ND
2022-02-16202202180564ND
2022-02-16202202180565ND
2022-06-30380-7833-1ND
2022-06-30380-7833-2ND
2022-06-30380-7833-3ND
2022-06-30380-7833-4ND
2022-06-30380-7833-5ND
2022-06-30380-7833-6ND
2022-09-20380-21524-1ND
2022-09-20380-21524-2ND
2022-09-20380-21524-3ND
2022-09-20380-21524-4ND
2022-09-20380-21524-5ND
2022-09-20380-21524-6ND
2022-11-15380-28459-1ND
2022-11-15380-28459-2ND
2022-11-15380-28459-3ND
2022-11-15380-28459-4ND
2022-11-15380-28459-5ND
2022-11-15380-28459-6ND
2023-01-24380-35453-1ND
2023-01-24380-35453-2ND
2023-01-24380-35453-3ND
2023-01-24380-35453-4ND
2023-01-24380-35453-5ND
2023-01-24380-35453-6ND
2023-06-05380-49949-1ND
2023-06-05380-49949-2ND
2023-06-05380-49949-3ND
2023-06-05380-49949-41.20 ppb
2023-06-05380-49949-5ND
2023-06-05380-49949-6ND
2023-09-05380-61807-1ND
2023-09-05380-61807-2ND
2023-09-05380-61807-3ND
2023-09-05380-61807-4ND
2023-09-05380-61807-5ND
2023-09-05380-61807-6ND
2023-10-04380-65926-1ND
2023-10-04380-65926-2ND
2023-10-04380-65926-3ND
2023-10-04380-65926-4ND
2023-10-04380-65926-5ND
2023-10-04380-65926-6ND