Know Your Environment. Protect Your Health.

Monochloroacetic acid

Fairview Union Water System

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.

 

70

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.975 ppb162ND - 7.80 ppb
20194.98 ppb2018ND - 17.3 ppb
20202.44 ppb107ND - 6.00 ppb
20213.10 ppb87ND - 6.80 ppb
20222.79 ppb881.000 ppb - 6.30 ppb
20232.46 ppb86ND - 5.50 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
2018-03-1535380679002ND
2018-03-15353806790017.80 ppb
2018-03-1535380679002ND
2018-03-15353806790017.80 ppb
2018-06-2635401068001ND
2018-06-2635401068002ND
2018-06-2635401068002ND
2018-06-2635401068001ND
2018-09-1335417884001ND
2018-09-1335417884002ND
2018-09-1335417884002ND
2018-09-1335417884001ND
2018-12-0635435851001ND
2018-12-0635435851002ND
2018-12-0635435851001ND
2018-12-0635435851002ND
2019-03-28354579120023.50 ppb
2019-03-2835457912001ND
2019-03-28354579120023.50 ppb
2019-03-2835457912001ND
2019-06-21354772400017.10 ppb
2019-06-21354772400024.50 ppb
2019-06-21354772400024.50 ppb
2019-06-21354772400017.10 ppb
2019-07-18354838330024.70 ppb
2019-07-18354838330024.70 ppb
2019-07-183548383300117.3 ppb
2019-07-183548383300117.3 ppb
2019-09-24355002320024.40 ppb
2019-09-24355002320015.10 ppb
2019-09-24355002320015.10 ppb
2019-09-24355002320024.40 ppb
2019-12-17355201070021.60 ppb
2019-12-17355201070011.60 ppb
2019-12-17355201070011.60 ppb
2019-12-17355201070021.60 ppb
2020-03-2635540132002ND
2020-03-2635540132001ND
2020-04-13355434900024.50 ppb
2020-04-13355434900016.00 ppb
2020-06-29355600340024.70 ppb
2020-06-29355600340012.80 ppb
2020-09-28355816220023.00 ppb
2020-09-2835581622001ND
2020-12-04355966540021.60 ppb
2020-12-04355966540011.80 ppb
2021-03-12356189260021.90 ppb
2021-03-12356189260012.90 ppb
2021-06-18356424040026.80 ppb
2021-06-18356424040013.30 ppb
2021-09-1035662251001ND
2021-09-10356622510024.80 ppb
2021-12-17356853930022.60 ppb
2021-12-17356853930012.50 ppb
2022-03-25357062720011.000 ppb
2022-03-25357062720021.10 ppb
2022-06-24357275340016.30 ppb
2022-06-24357275340024.40 ppb
2022-09-26357494600012.50 ppb
2022-09-26357494600023.20 ppb
2022-12-12357674660021.70 ppb
2022-12-12357674660012.10 ppb
2023-03-22357881550012.80 ppb
2023-03-22357881550022.10 ppb
2023-06-28358099890014.60 ppb
2023-06-28358099890025.50 ppb
2023-09-2635830925001ND
2023-09-2635830925002ND
2023-12-06358470890011.90 ppb
2023-12-06358470890022.80 ppb