Know Your Environment. Protect Your Health.

Trichloroacetic acid

Middletown Water Department

Trichloroacetic 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)

96

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
201813.2 ppb161611.3 ppb - 15.8 ppb
201912.6 ppb16169.60 ppb - 17.2 ppb
202011.1 ppb16167.00 ppb - 13.3 ppb
202115.8 ppb16168.70 ppb - 29.7 ppb
202214.5 ppb161612.2 ppb - 17.5 ppb
202316.7 ppb161612.8 ppb - 20.4 ppb

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.1 ppb

The EWG Health Guideline of 0.1 ppb for trichloroacetic 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. This health guideline protects against cancer and harm to reproduction and child development.

ppb = parts per billion

All test results

Date Lab ID Result
2018-01-05DBP 20048541112.1 ppb
2018-01-05DBP 20048541215.8 ppb
2018-01-05DBP 20048541312.8 ppb
2018-01-05DBP 20048541011.3 ppb
2018-04-05DBP 20049144613.0 ppb
2018-04-05DBP 20049144713.8 ppb
2018-04-05DBP 20049144814.3 ppb
2018-04-05DBP 20049144913.9 ppb
2018-07-04DBP 20049863812.4 ppb
2018-07-04DBP 20049863912.3 ppb
2018-07-04DBP 20049864012.9 ppb
2018-07-04DBP 20049864112.4 ppb
2018-10-04DBP 20050804814.2 ppb
2018-10-04DBP 20050805013.7 ppb
2018-10-04DBP 20050804913.6 ppb
2018-10-04DBP 20050804712.0 ppb
2019-01-03DBP 20051750612.7 ppb
2019-01-03DBP 20051750711.8 ppb
2019-01-03DBP 20051750817.2 ppb
2019-01-03DBP 20051750912.4 ppb
2019-04-04DBP 20052718213.8 ppb
2019-04-04DBP 20052718314.2 ppb
2019-04-04DBP 20052718416.3 ppb
2019-04-04DBP 20052718514.9 ppb
2019-07-03DBP 20053892312.1 ppb
2019-07-03DBP 20053892511.3 ppb
2019-07-03DBP 20053892411.3 ppb
2019-07-03DBP 20053892212.0 ppb
2019-10-17DBP 20055333510.1 ppb
2019-10-17DBP 20055333711.2 ppb
2019-10-17DBP 20055333911.2 ppb
2019-10-17DBP 2005533339.60 ppb
2020-01-09DBP 2005623137.00 ppb
2020-01-09DBP 2005623148.30 ppb
2020-01-09DBP 2005623159.50 ppb
2020-01-09DBP 20056231610.00 ppb
2020-04-09DBP 20057189612.2 ppb
2020-04-09DBP 20057189711.0 ppb
2020-04-09DBP 20057189511.8 ppb
2020-04-09DBP 20057189312.1 ppb
2020-07-09DBP 20058208411.1 ppb
2020-07-09DBP 20058208511.3 ppb
2020-07-09DBP 20058208613.3 ppb
2020-07-09DBP 20058208712.6 ppb
2020-10-15DBP 20059416711.9 ppb
2020-10-15DBP 2005941689.80 ppb
2020-10-15DBP 20059416913.3 ppb
2020-10-15DBP 20059417012.7 ppb
2021-01-14DBP 20060390211.2 ppb
2021-01-14DBP 20060389912.8 ppb
2021-01-14DBP 20060390010.8 ppb
2021-01-14DBP 2006039018.70 ppb
2021-04-15DBP 20061333813.4 ppb
2021-04-15DBP 20061333912.6 ppb
2021-04-15DBP 20061334015.3 ppb
2021-04-15DBP 20061333715.2 ppb
2021-07-08DBP 20062369114.3 ppb
2021-07-08DBP 20062369312.9 ppb
2021-07-08DBP 20062370812.8 ppb
2021-07-08DBP 20062370913.9 ppb
2021-10-21B300086252 30008625324.0 ppb
2021-10-21B300086249 30008625023.2 ppb
2021-10-21B300086246 30008624729.7 ppb
2021-10-21B300086243 30008624422.6 ppb
2022-01-06D300128620 30012862116.4 ppb
2022-01-06D300128623 30012862415.8 ppb
2022-01-06D300128626 30012862717.5 ppb
2022-01-06D300128629 30012863015.4 ppb
2022-04-07D300167654 30016765514.4 ppb
2022-04-07D300167657 30016765813.3 ppb
2022-04-07D300167660 30016766115.1 ppb
2022-04-07D300167663 30016766412.4 ppb
2022-07-07D300209440 30020944114.4 ppb
2022-07-07D300209434 30020943513.0 ppb
2022-07-07D300209431 30020943214.4 ppb
2022-07-07D300209437 30020943816.0 ppb
2022-10-27D300264516 30026451712.7 ppb
2022-10-27D300264519 30026452015.5 ppb
2022-10-27D300264522 30026452312.2 ppb
2022-10-27D300264525 30026452613.8 ppb
2023-01-12D300297210 30029721116.5 ppb
2023-01-12D300297213 30029721413.4 ppb
2023-01-12D300297216 30029721716.3 ppb
2023-01-12D300297219 30029722016.8 ppb
2023-04-20D300336742 30033674312.8 ppb
2023-04-20D300336748 30033674916.9 ppb
2023-04-20D300336745 30033674615.4 ppb
2023-04-20D300336739 30033674014.6 ppb
2023-07-06D300377098 30037709917.3 ppb
2023-07-06D300377101 30037710220.1 ppb
2023-07-06D300377104 30037710519.2 ppb
2023-07-06D300377107 30037710818.1 ppb
2023-10-19D300433229 30043323017.4 ppb
2023-10-19D300433232 30043323316.0 ppb
2023-10-19D300433235 30043323620.4 ppb
2023-10-19D300433238 30043323916.8 ppb