Know Your Environment. Protect Your Health.

Monochloroacetic acid

City of Arp

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
20182.93 ppb882.30 ppb - 3.50 ppb
20191.19 ppb85ND - 2.70 ppb
20200.700 ppb83ND - 2.30 ppb
20210.788 ppb84ND - 2.30 ppb
20220.900 ppb84ND - 2.20 ppb
20231.96 ppb881.50 ppb - 2.70 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
2018-02-14Q18062670022.70 ppb
2018-02-14Q18062670012.30 ppb
2018-05-25Q18211900023.50 ppb
2018-05-25Q18211900012.90 ppb
2018-08-29Q18345760013.20 ppb
2018-08-29Q18345760022.70 ppb
2018-11-20Q18474940013.50 ppb
2018-11-20Q18474940022.60 ppb
2019-03-20Q1911657004ND
2019-03-20Q19116570101.80 ppb
2019-06-04Q19312580012.70 ppb
2019-06-04Q19312580022.60 ppb
2019-09-05Q19624800021.20 ppb
2019-09-05Q19624800011.20 ppb
2019-11-06Q1975667001ND
2019-11-06Q1975667002ND
2020-01-30Q2003966001ND
2020-01-30Q20039660021.40 ppb
2020-04-13Q2014536001ND
2020-04-13Q20145360022.30 ppb
2020-08-03Q2030185001ND
2020-08-03Q20301850021.90 ppb
2020-12-01Q2047579009ND
2020-12-01Q2047579010ND
2021-03-22Q21072650011.60 ppb
2021-03-22Q21072650021.40 ppb
2021-06-10Q2115262017ND
2021-06-10Q21152620182.30 ppb
2021-09-22Q2125988001ND
2021-09-22Q2125988002ND
2021-11-16Q2132268001ND
2021-11-16Q21322680021.000 ppb
2022-03-03Q2207401001ND
2022-03-03Q22074010021.10 ppb
2022-05-12Q2214291001ND
2022-05-12Q22142910021.80 ppb
2022-09-15Q2227707002ND
2022-09-15Q2227707003ND
2022-11-17Q22346360022.20 ppb
2022-11-17Q22346360032.10 ppb
2023-02-23Q23076300051.90 ppb
2023-02-23Q23076300061.60 ppb
2023-06-01Q23205240041.50 ppb
2023-06-01Q23205240051.50 ppb
2023-08-03Q23316920022.70 ppb
2023-08-03Q23316920032.20 ppb
2023-10-11Q23434230022.00 ppb
2023-10-11Q23434230032.30 ppb