Know Your Environment. Protect Your Health.

Monochloroacetic acid

Horsham Water&sewer Authority

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.

 

96

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND160ND
20190.350 ppb164ND - 1.80 ppb
20200.575 ppb166ND - 2.10 ppb
20210.538 ppb162ND - 7.00 ppb
20221.12 ppb169ND - 2.60 ppb
20230.356 ppb162ND - 3.40 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
2018-02-06AF75263ND
2018-02-06AF74714ND
2018-02-06AF74713ND
2018-02-06AF75264ND
2018-05-02AF82680ND
2018-05-02AF82679ND
2018-05-02AF82598ND
2018-05-02AF82599ND
2018-08-09AF92207ND
2018-08-09AF92206ND
2018-08-09AF92204ND
2018-08-09AF92205ND
2018-11-06AG00302ND
2018-11-06AF98514ND
2018-11-06AG00301ND
2018-11-06AF98513ND
2019-02-06AG069251.80 ppb
2019-02-06AG06924ND
2019-02-06AG06309ND
2019-02-06AG06310ND
2019-05-02AG14764ND
2019-05-02AG15213ND
2019-05-02AG14763ND
2019-05-02AG15212ND
2019-08-07AG25943ND
2019-08-07AG244281.30 ppb
2019-08-07AG25947ND
2019-08-07AG24429ND
2019-11-07AG372961.50 ppb
2019-11-07AG35539ND
2019-11-07AG355381.000 ppb
2019-11-07AG37290ND
2020-02-06ND
2020-02-06ND
2020-02-06ND
2020-02-06ND
2020-05-04ND
2020-05-041.20 ppb
2020-05-04ND
2020-05-041.20 ppb
2020-08-061.40 ppb
2020-08-06ND
2020-08-061.60 ppb
2020-08-06ND
2020-11-05ND
2020-11-051.70 ppb
2020-11-05ND
2020-11-052.10 ppb
2021-02-041.60 ppb
2021-02-04ND
2021-02-04ND
2021-02-04ND
2021-05-06ND
2021-05-06ND
2021-05-06ND
2021-05-06ND
2021-08-05ND
2021-08-05ND
2021-08-31ND
2021-08-31ND
2021-11-04ND
2021-11-04ND
2021-11-04ND
2021-11-047.00 ppb
2022-02-032.30 ppb
2022-02-031.90 ppb
2022-02-032.20 ppb
2022-02-031.70 ppb
2022-05-052.60 ppb
2022-05-05ND
2022-05-051.30 ppb
2022-05-05ND
2022-08-042.60 ppb
2022-08-041.30 ppb
2022-08-04ND
2022-08-04ND
2022-11-03ND
2022-11-03ND
2022-11-032.00 ppb
2022-11-03ND
2023-02-02ND
2023-02-02ND
2023-02-02ND
2023-02-02ND
2023-05-04ND
2023-05-04ND
2023-05-04ND
2023-05-04ND
2023-08-033.40 ppb
2023-08-03ND
2023-08-03ND
2023-08-03ND
2023-11-022.30 ppb
2023-11-02ND
2023-11-02ND
2023-11-02ND