Know Your Environment. Protect Your Health.

Monochloroacetic acid

Lost Bridge Vill Wat-sew Dists

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.

 

48

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20182.03 ppb85ND - 3.90 ppb
20191.44 ppb84ND - 3.50 ppb
20202.04 ppb87ND - 2.70 ppb
20210.713 ppb82ND - 3.10 ppb
20221.21 ppb82ND - 5.40 ppb
20230.751 ppb82ND - 3.09 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
2018-01-2418025006601ND
2018-01-2418025006701ND
2018-04-24181160043012.80 ppb
2018-04-24181160044012.90 ppb
2018-07-23182070044013.90 ppb
2018-07-23182070043013.80 ppb
2018-10-2318298007101ND
2018-10-23182980070012.80 ppb
2019-01-22190240067012.40 ppb
2019-01-2219024006601ND
2019-04-1619108008901ND
2019-04-1619108008801ND
2019-07-16191980041013.00 ppb
2019-07-1619198004001ND
2019-10-15192900082013.50 ppb
2019-12-02193380051012.60 ppb
2020-01-2120023009201ND
2020-01-21200230081012.40 ppb
2020-04-14201070093012.10 ppb
2020-04-14201070092012.40 ppb
2020-09-01202470046012.00 ppb
2020-09-01202470047012.30 ppb
2020-10-13202890014012.40 ppb
2020-10-13202890013012.70 ppb
2021-01-12210140120012.60 ppb
2021-01-12210140121013.10 ppb
2021-04-1321105017001ND
2021-04-1321105017101ND
2021-07-1321196011201ND
2021-07-1321196011301ND
2021-10-1221287009901ND
2021-10-1221287009801ND
2022-01-12220140026014.30 ppb
2022-01-12220140027015.40 ppb
2022-04-12O196903-HAA-1ND
2022-04-12O196904-HAA-1ND
2022-07-12O199597-HAA-1ND
2022-07-12O199598-HAA-1ND
2022-10-11O202614-HAA-1ND
2022-10-11O202613-HAA-1ND
2023-01-10O205033-HAA-1ND
2023-01-10O205032-HAA-1ND
2023-04-11O207783-HAA-1ND
2023-04-11O207784-HAA-1ND
2023-07-11O210533-HAA-13.09 ppb
2023-07-11O210921-HAA-12.92 ppb
2023-10-10O212911-HAA-1ND
2023-10-10O212910-HAA-1ND