Know Your Environment. Protect Your Health.

Monochloroacetic acid

Stephenson's Lake (sc3250018)

NOTE: Stephenson's Lake (sc3250018) purchases water from Amicks Ferry Water System which is required to test for monochloroacetic acid. Sample information shown below was taken by Amicks Ferry 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.

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

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

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: Stephenson's Lake (sc3250018) purchases water from Amicks Ferry Water System which is required to test for monochloroacetic acid. Sample information shown below was taken by Amicks Ferry Water System.

Date Lab ID Result
2018-01-102180112-56ND
2018-04-122180413-28ND
2018-07-112180713-02ND
2018-10-082181009-30ND
2019-01-072190109-30ND
2019-04-092190410-30ND
2019-07-082190709-02ND
2019-10-162191018-16ND
2020-01-132200114-02ND
2020-04-132200415-02ND
2020-07-142200715-15ND
2020-10-122201013-02ND
2021-01-122210113-16ND
2021-04-122210413-16ND
2021-07-142210715-10ND
2021-10-132211014-02ND
2022-01-102220111-16ND
2022-04-142220415-02ND
2022-07-142220715-14ND
2022-11-072221108-30ND
2023-01-102230111-62ND
2023-04-132230414-12XND
2023-07-132230714-42ND
2023-10-122231013-48ND