Know Your Environment. Protect Your Health.

Monochloroacetic acid

City of Lucas

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
20181.88 ppb86ND - 3.60 ppb
20192.95 ppb87ND - 8.50 ppb
20201.55 ppb87ND - 3.00 ppb
20211.18 ppb85ND - 2.60 ppb
20221.29 ppb84ND - 3.20 ppb
20233.68 ppb882.40 ppb - 8.60 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
2018-01-25Q1802946002ND
2018-01-25Q1802946001ND
2018-05-08Q18187950023.30 ppb
2018-05-08Q18187950013.60 ppb
2018-08-02Q18306700012.00 ppb
2018-08-02Q18306700022.10 ppb
2018-10-19Q18420280032.10 ppb
2018-10-19Q18420280041.90 ppb
2019-01-31Q19049070012.10 ppb
2019-01-31Q19049070022.00 ppb
2019-05-07Q19225410012.20 ppb
2019-05-07Q1922541002ND
2019-09-04Q19618740026.20 ppb
2019-09-04Q19618740018.50 ppb
2019-11-07Q19761200031.20 ppb
2019-11-07Q19761200041.40 ppb
2020-01-30Q20039760011.30 ppb
2020-01-30Q20039760021.50 ppb
2020-05-12Q20184190012.60 ppb
2020-05-12Q20184190023.00 ppb
2020-09-24Q20378710022.00 ppb
2020-09-29Q20383160011.000 ppb
2020-11-16Q20451290011.000 ppb
2020-11-16Q2045129002ND
2021-02-23Q21045290031.80 ppb
2021-02-23Q21045290041.70 ppb
2021-06-09Q21151670012.30 ppb
2021-06-09Q21151670022.60 ppb
2021-09-23Q21261190011.000 ppb
2021-09-23Q2126119002ND
2021-11-19Q2132577001ND
2021-11-19Q2132577002ND
2022-01-24Q2202454001ND
2022-01-24Q2202454002ND
2022-05-23Q22149520013.20 ppb
2022-05-23Q22149520023.10 ppb
2022-09-15Q2227690001ND
2022-09-15Q22276900021.70 ppb
2022-10-20Q2231900001ND
2022-10-20Q22319000022.30 ppb
2023-02-14Q23057800032.40 ppb
2023-02-14Q23057800043.10 ppb
2023-04-27Q23158910012.80 ppb
2023-04-27Q23158910028.60 ppb
2023-08-02Q23314300013.20 ppb
2023-08-02Q23314300023.40 ppb
2023-10-09Q23428910012.80 ppb
2023-10-09Q23428910023.10 ppb