Know Your Environment. Protect Your Health.

Monochloroacetic acid

Olympic View Water & Sewer 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.

 

80

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20181.23 ppb169ND - 2.87 ppb
20191.23 ppb168ND - 3.42 ppb
2020N/A00N/A
20211.47 ppb1611ND - 3.21 ppb
20221.31 ppb1611ND - 2.40 ppb
20231.32 ppb1611ND - 2.73 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
2018-03-132.14 ppb
2018-03-13ND
2018-03-13ND
2018-03-13ND
2018-06-122.11 ppb
2018-06-122.84 ppb
2018-06-12ND
2018-06-122.87 ppb
2018-09-112.18 ppb
2018-09-11ND
2018-09-11ND
2018-09-111.77 ppb
2018-12-111.79 ppb
2018-12-11ND
2018-12-112.07 ppb
2018-12-111.85 ppb
2019-03-12ND
2019-03-121.84 ppb
2019-03-121.91 ppb
2019-03-12ND
2019-06-112.11 ppb
2019-06-112.68 ppb
2019-06-11ND
2019-06-11ND
2019-09-11ND
2019-09-112.43 ppb
2019-09-11ND
2019-09-113.20 ppb
2019-12-10ND
2019-12-102.10 ppb
2019-12-103.42 ppb
2019-12-10ND
2021-03-094088965ND
2021-03-0940889641.69 ppb
2021-03-0940889622.00 ppb
2021-03-0940889632.96 ppb
2021-06-1541307632.18 ppb
2021-06-1541307641.81 ppb
2021-06-154130765ND
2021-06-154130762ND
2021-09-1441723681.93 ppb
2021-09-144172369ND
2021-09-1441723671.63 ppb
2021-09-144172370ND
2021-12-0142159082.05 ppb
2021-12-0142159111.58 ppb
2021-12-0142159093.21 ppb
2021-12-0142159102.46 ppb
2022-03-0842581701.69 ppb
2022-03-084258172ND
2022-03-0842581711.93 ppb
2022-03-084258173ND
2022-06-1442950352.40 ppb
2022-06-144295037ND
2022-06-1442950341.98 ppb
2022-06-1442950361.93 ppb
2022-09-1343435451.99 ppb
2022-09-134343547ND
2022-09-134343546ND
2022-09-1343435441.63 ppb
2022-12-1343855351.96 ppb
2022-12-1343855361.96 ppb
2022-12-1343855341.60 ppb
2022-12-1343855371.93 ppb
2023-03-1444265041.68 ppb
2023-03-1444265031.69 ppb
2023-03-1444265051.70 ppb
2023-03-144426502ND
2023-06-1344686322.02 ppb
2023-06-134468634ND
2023-06-1344686332.02 ppb
2023-06-1344686311.52 ppb
2023-09-1245144972.49 ppb
2023-09-124514499ND
2023-09-124514496ND
2023-09-1245144981.82 ppb
2023-12-1245569991.81 ppb
2023-12-1245570001.62 ppb
2023-12-124556997ND
2023-12-1245569982.73 ppb