Know Your Environment. Protect Your Health.

Monochloroacetic acid

Middletown Water Department

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.

 

96

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.731 ppb1614ND - 1.20 ppb
20190.463 ppb169ND - 1.000 ppb
20200.569 ppb1611ND - 1.10 ppb
20210.948 ppb16160.560 ppb - 1.40 ppb
20221.89 ppb16160.650 ppb - 5.44 ppb
20231.85 ppb16160.520 ppb - 4.33 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
2018-01-05DBP 2004854110.600 ppb
2018-01-05DBP 200485412ND
2018-01-05DBP 2004854130.700 ppb
2018-01-05DBP 2004854100.600 ppb
2018-04-05DBP 2004914460.700 ppb
2018-04-05DBP 2004914470.700 ppb
2018-04-05DBP 2004914480.800 ppb
2018-04-05DBP 2004914490.700 ppb
2018-07-04DBP 2004986381.20 ppb
2018-07-04DBP 2004986390.800 ppb
2018-07-04DBP 2004986400.900 ppb
2018-07-04DBP 2004986411.20 ppb
2018-10-04DBP 2005080481.10 ppb
2018-10-04DBP 2005080500.700 ppb
2018-10-04DBP 200508049ND
2018-10-04DBP 2005080471.000 ppb
2019-01-03DBP 2005175060.900 ppb
2019-01-03DBP 2005175071.000 ppb
2019-01-03DBP 200517508ND
2019-01-03DBP 2005175091.000 ppb
2019-04-04DBP 2005271820.800 ppb
2019-04-04DBP 2005271830.700 ppb
2019-04-04DBP 2005271841.000 ppb
2019-04-04DBP 2005271850.800 ppb
2019-07-03DBP 2005389230.600 ppb
2019-07-03DBP 200538925ND
2019-07-03DBP 200538924ND
2019-07-03DBP 200538922ND
2019-10-17DBP 200553335ND
2019-10-17DBP 200553337ND
2019-10-17DBP 200553339ND
2019-10-17DBP 2005533330.600 ppb
2020-01-09DBP 200562313ND
2020-01-09DBP 200562314ND
2020-01-09DBP 200562315ND
2020-01-09DBP 200562316ND
2020-04-09DBP 2005718960.500 ppb
2020-04-09DBP 200571897ND
2020-04-09DBP 2005718950.600 ppb
2020-04-09DBP 2005718930.500 ppb
2020-07-09DBP 2005820841.10 ppb
2020-07-09DBP 2005820850.700 ppb
2020-07-09DBP 2005820861.10 ppb
2020-07-09DBP 2005820871.10 ppb
2020-10-15DBP 2005941671.000 ppb
2020-10-15DBP 2005941680.600 ppb
2020-10-15DBP 2005941691.000 ppb
2020-10-15DBP 2005941700.900 ppb
2021-01-14DBP 2006039020.900 ppb
2021-01-14DBP 2006038991.10 ppb
2021-01-14DBP 2006039000.900 ppb
2021-01-14DBP 2006039010.700 ppb
2021-04-15DBP 2006133380.800 ppb
2021-04-15DBP 2006133390.800 ppb
2021-04-15DBP 2006133401.000 ppb
2021-04-15DBP 2006133371.000 ppb
2021-07-08DBP 2006236911.10 ppb
2021-07-08DBP 2006236930.600 ppb
2021-07-08DBP 2006237080.800 ppb
2021-07-08DBP 2006237090.800 ppb
2021-10-21B300086252 3000862531.40 ppb
2021-10-21B300086249 3000862500.560 ppb
2021-10-21B300086246 3000862471.40 ppb
2021-10-21B300086243 3000862441.30 ppb
2022-01-06D300128620 3001286213.66 ppb
2022-01-06D300128623 3001286245.44 ppb
2022-01-06D300128626 3001286273.91 ppb
2022-01-06D300128629 3001286302.67 ppb
2022-04-07D300167654 3001676551.10 ppb
2022-04-07D300167657 3001676581.000 ppb
2022-04-07D300167660 3001676611.10 ppb
2022-04-07D300167663 3001676641.000 ppb
2022-07-07D300209440 3002094411.03 ppb
2022-07-07D300209434 3002094350.830 ppb
2022-07-07D300209431 3002094320.650 ppb
2022-07-07D300209437 3002094381.69 ppb
2022-10-27D300264516 3002645171.71 ppb
2022-10-27D300264519 3002645201.59 ppb
2022-10-27D300264522 3002645231.38 ppb
2022-10-27D300264525 3002645261.50 ppb
2023-01-12D300297210 3002972111.33 ppb
2023-01-12D300297213 3002972141.03 ppb
2023-01-12D300297216 3002972171.46 ppb
2023-01-12D300297219 3002972201.35 ppb
2023-04-20D300336742 3003367431.03 ppb
2023-04-20D300336748 3003367491.26 ppb
2023-04-20D300336745 3003367461.11 ppb
2023-04-20D300336739 3003367401.08 ppb
2023-07-06D300377098 3003770990.520 ppb
2023-07-06D300377101 3003771021.72 ppb
2023-07-06D300377104 3003771051.52 ppb
2023-07-06D300377107 3003771081.48 ppb
2023-10-19D300433229 3004332304.33 ppb
2023-10-19D300433232 3004332333.62 ppb
2023-10-19D300433235 3004332362.90 ppb
2023-10-19D300433238 3004332393.81 ppb