Know Your Environment. Protect Your Health.

Monochloroacetic acid

Heritage Ranch Community Services District

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.

 

64

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND70ND
20190.222 ppb91ND - 2.00 ppb
20201.01 ppb125ND - 3.10 ppb
20211.77 ppb106ND - 3.50 ppb
20221.96 ppb85ND - 3.80 ppb
20230.967 ppb187ND - 3.20 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
2018-01-18CA4010012_DST_005-201801181441ND
2018-01-18CA4010012_DST_004-201801181455ND
2018-04-19CA4010012_DST_004-201804191512ND
2018-04-19CA4010012_DST_005-201804191508ND
2018-07-26CA4010012_DST_004-201807262020ND
2018-10-18CA4010012_DST_004-201810181401ND
2018-10-18CA4010012_DST_005-201810181800ND
2019-01-16CA4010012_DST_004-2019011615002.00 ppb
2019-01-16CA4010012_DST_005-201901161446ND
2019-04-18CA4010012_DST_004-201904180633ND
2019-04-18CA4010012_DST_005-201904180702ND
2019-07-18CA4010012_DST_005-201907181801ND
2019-07-18CA4010012_DST_004-201907181815ND
2019-10-16CA4010012_DST_004-201910161810ND
2019-10-16CA4010012_DST_005-201910161745ND
2019-11-21CA4010012_DST_005-201911210640ND
2020-01-16CA4010012_DST_004-202001160601ND
2020-01-16CA4010012_DST_005-202001160628ND
2020-04-10CA4010012_DST_005-2020041014553.10 ppb
2020-04-10CA4010012_DST_004-202004101500ND
2020-07-15CA4010012_DST_005-202007150815ND
2020-07-15CA4010012_DST_004-2020071508352.10 ppb
2020-07-15CA4010012_DST_004-2020071520352.30 ppb
2020-07-15CA4010012_DST_005-2020071508152.10 ppb
2020-07-15CA4010012_DST_005-2020071520152.50 ppb
2020-07-15CA4010012_DST_004-202007150835ND
2020-10-14CA4010012_DST_004-202010141525ND
2020-10-14CA4010012_DST_005-202010141445ND
2021-01-14CA4010012_DST_004-202101141446ND
2021-01-14CA4010012_DST_005-202101141459ND
2021-04-14CA4010012_DST_005-2021041414383.10 ppb
2021-04-14CA4010012_DST_004-2021041414463.40 ppb
2021-07-15CA4010012_DST_005-2021071515283.00 ppb
2021-07-15CA4010012_DST_004-2021071515212.20 ppb
2021-10-15CA4010012_DST_004-202110151500ND
2021-10-15CA4010012_DST_005-202110151440ND
2021-10-20CA4010012_DST_005-2021102009073.50 ppb
2021-10-20CA4010012_DST_004-2021102009242.50 ppb
2022-01-24CA4010012_DST_004-2022012414153.20 ppb
2022-01-24CA4010012_DST_005-202201241445ND
2022-04-15CA4010012_DST_004-2022041512573.80 ppb
2022-04-18CA4010012_DST_005-2022041813122.40 ppb
2022-10-13CA4010012_DST_005-2022101312353.00 ppb
2022-10-13CA4010012_DST_004-2022101312453.30 ppb
2022-12-15CA4010012_DST_005-202212151100ND
2022-12-15CA4010012_DST_004-202212151045ND
2023-01-19CA4010012_DST_005-202301191020ND
2023-01-19CA4010012_DST_004-202301191034ND
2023-02-15CA4010012_DST_005-2023021511032.00 ppb
2023-02-15CA4010012_DST_004-202302151120ND
2023-03-16CA4010012_DST_005-2023031610183.10 ppb
2023-03-16CA4010012_DST_004-202303161005ND
2023-04-20CA4010012_DST_004-202304200938ND
2023-04-20CA4010012_DST_005-2023042009522.10 ppb
2023-05-18CA4010012_DST_005-202305181048ND
2023-05-18CA4010012_DST_005-202305181103ND
2023-06-15CA4010012_DST_005-2023061509262.20 ppb
2023-06-15CA4010012_DST_004-202306151614ND
2023-07-20CA4010012_DST_005-2023072009533.20 ppb
2023-07-20CA4010012_DST_004-2023072009402.70 ppb
2023-08-17CA4010012_DST_005-2023081711212.10 ppb
2023-08-17CA4010012_DST_004-202308171106ND
2023-09-19CA4010012_DST_004-202309191127ND
2023-09-19CA4010012_DST_005-202309191142ND