Know Your Environment. Protect Your Health.

Dichloroacetic acid

Middletown Water Department

Dichloroacetic 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
201811.2 ppb16162.70 ppb - 15.9 ppb
20198.72 ppb16161.90 ppb - 17.1 ppb
202010.4 ppb16167.40 ppb - 13.0 ppb
202112.5 ppb16165.10 ppb - 18.2 ppb
202213.3 ppb16166.59 ppb - 15.7 ppb
202314.3 ppb16169.77 ppb - 19.4 ppb

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.2 ppb

The EWG Health Guideline of 0.2 ppb for dichloroacetic 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 20048541111.3 ppb
2018-01-05DBP 2004854123.40 ppb
2018-01-05DBP 20048541311.8 ppb
2018-01-05DBP 20048541010.7 ppb
2018-04-05DBP 20049144614.6 ppb
2018-04-05DBP 20049144715.0 ppb
2018-04-05DBP 20049144815.8 ppb
2018-04-05DBP 20049144914.8 ppb
2018-07-04DBP 20049863815.1 ppb
2018-07-04DBP 20049863913.2 ppb
2018-07-04DBP 20049864012.8 ppb
2018-07-04DBP 20049864115.9 ppb
2018-10-04DBP 2005080488.00 ppb
2018-10-04DBP 2005080504.60 ppb
2018-10-04DBP 2005080492.70 ppb
2018-10-04DBP 2005080479.00 ppb
2019-01-03DBP 20051750613.1 ppb
2019-01-03DBP 20051750712.2 ppb
2019-01-03DBP 2005175082.00 ppb
2019-01-03DBP 20051750912.9 ppb
2019-04-04DBP 20052718213.8 ppb
2019-04-04DBP 20052718314.4 ppb
2019-04-04DBP 20052718417.1 ppb
2019-04-04DBP 20052718516.0 ppb
2019-07-03DBP 2005389239.30 ppb
2019-07-03DBP 2005389252.00 ppb
2019-07-03DBP 2005389241.90 ppb
2019-07-03DBP 2005389222.90 ppb
2019-10-17DBP 2005533352.20 ppb
2019-10-17DBP 2005533375.80 ppb
2019-10-17DBP 2005533396.70 ppb
2019-10-17DBP 2005533337.20 ppb
2020-01-09DBP 2005623138.10 ppb
2020-01-09DBP 2005623148.60 ppb
2020-01-09DBP 2005623159.40 ppb
2020-01-09DBP 20056231610.8 ppb
2020-04-09DBP 20057189612.6 ppb
2020-04-09DBP 20057189711.7 ppb
2020-04-09DBP 20057189512.6 ppb
2020-04-09DBP 20057189313.0 ppb
2020-07-09DBP 20058208411.4 ppb
2020-07-09DBP 2005820859.40 ppb
2020-07-09DBP 20058208612.3 ppb
2020-07-09DBP 20058208712.4 ppb
2020-10-15DBP 2005941679.60 ppb
2020-10-15DBP 2005941687.70 ppb
2020-10-15DBP 20059416910.00 ppb
2020-10-15DBP 2005941707.40 ppb
2021-01-14DBP 20060390211.4 ppb
2021-01-14DBP 20060389913.5 ppb
2021-01-14DBP 20060390010.8 ppb
2021-01-14DBP 2006039019.60 ppb
2021-04-15DBP 20061333813.5 ppb
2021-04-15DBP 20061333912.5 ppb
2021-04-15DBP 20061334015.6 ppb
2021-04-15DBP 20061333716.0 ppb
2021-07-08DBP 20062369112.7 ppb
2021-07-08DBP 2006236938.30 ppb
2021-07-08DBP 20062370810.8 ppb
2021-07-08DBP 2006237097.90 ppb
2021-10-21B300086252 30008625316.6 ppb
2021-10-21B300086249 3000862505.10 ppb
2021-10-21B300086246 30008624718.2 ppb
2021-10-21B300086243 30008624417.4 ppb
2022-01-06D300128620 30012862113.3 ppb
2022-01-06D300128623 30012862413.9 ppb
2022-01-06D300128626 30012862715.4 ppb
2022-01-06D300128629 30012863013.6 ppb
2022-04-07D300167654 30016765514.2 ppb
2022-04-07D300167657 30016765813.4 ppb
2022-04-07D300167660 30016766114.7 ppb
2022-04-07D300167663 30016766412.6 ppb
2022-07-07D300209440 30020944112.7 ppb
2022-07-07D300209434 30020943511.0 ppb
2022-07-07D300209431 3002094326.59 ppb
2022-07-07D300209437 30020943815.7 ppb
2022-10-27D300264516 30026451713.3 ppb
2022-10-27D300264519 30026452015.1 ppb
2022-10-27D300264522 30026452313.1 ppb
2022-10-27D300264525 30026452614.2 ppb
2023-01-12D300297210 30029721113.9 ppb
2023-01-12D300297213 30029721412.4 ppb
2023-01-12D300297216 30029721714.2 ppb
2023-01-12D300297219 30029722014.5 ppb
2023-04-20D300336742 30033674315.3 ppb
2023-04-20D300336748 30033674919.4 ppb
2023-04-20D300336745 30033674617.8 ppb
2023-04-20D300336739 30033674016.2 ppb
2023-07-06D300377098 30037709910.0 ppb
2023-07-06D300377101 30037710218.4 ppb
2023-07-06D300377104 30037710515.4 ppb
2023-07-06D300377107 30037710815.3 ppb
2023-10-19D300433229 3004332309.77 ppb
2023-10-19D300433232 30043323312.5 ppb
2023-10-19D300433235 30043323611.6 ppb
2023-10-19D300433238 30043323912.7 ppb