Know Your Environment. Protect Your Health.

Monochloroacetic acid

City of Aspermont

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
20182.18 ppb43ND - 3.30 ppb
20192.08 ppb441.60 ppb - 2.80 ppb
20200.250 ppb41ND - 1.000 ppb
20215.28 ppb42ND - 20.1 ppb
20221.000 ppb41ND - 4.00 ppb
20232.80 ppb441.80 ppb - 3.30 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
2018-03-01Q1808599001ND
2018-05-29Q18212260062.70 ppb
2018-09-11Q18357980023.30 ppb
2018-11-29Q18487440022.70 ppb
2019-02-28Q19087510062.00 ppb
2019-05-21Q19273090022.80 ppb
2019-08-22Q19585620021.90 ppb
2019-11-25Q19779860021.60 ppb
2020-03-02Q2007742005ND
2020-06-03Q2021992001ND
2020-09-01Q20348570011.000 ppb
2020-12-03Q2048420002ND
2021-03-09Q2106063003ND
2021-05-20Q211323700620.1 ppb
2021-08-25Q21231950011.000 ppb
2021-11-15Q2131746002ND
2022-03-03Q2207481003ND
2022-05-25Q2215197005ND
2022-09-08Q2226792002ND
2022-11-29Q22353990024.00 ppb
2023-03-14Q23100500023.30 ppb
2023-05-17Q23186180053.30 ppb
2023-08-24Q23361910022.80 ppb
2023-11-16Q23493740021.80 ppb