Know Your Environment. Protect Your Health.

Dichloroacetic acid

State College Boro Water Auth.

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.

 

112

Samples

0

Samples exceeding legal limit (MCL)

45

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.374 ppb162ND - 3.10 ppb
20190.771 ppb165ND - 4.18 ppb
20201.48 ppb167ND - 6.56 ppb
20212.15 ppb2811ND - 14.0 ppb
20224.01 ppb209ND - 22.9 ppb
20232.78 ppb1611ND - 9.00 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
2018-02-148B14168-01ND
2018-02-148B14168-02ND
2018-02-148B14168-03ND
2018-02-148B14168-04ND
2018-05-158E16034-01ND
2018-05-158E16034-02ND
2018-05-158E16034-03ND
2018-05-158E16034-04ND
2018-08-158H16067-01ND
2018-08-158H16067-022.89 ppb
2018-08-158H16067-033.10 ppb
2018-08-158H16067-04ND
2018-11-138K13106-01ND
2018-11-138K13106-02ND
2018-11-138K13106-03ND
2018-11-138K13106-04ND
2019-02-129B12132-01ND
2019-02-129B12132-021.25 ppb
2019-02-129B12132-03ND
2019-02-129B12132-04ND
2019-05-139E14034-06ND
2019-05-139E14034-07ND
2019-05-139E14034-08ND
2019-05-139E14034-09ND
2019-08-149H15047-012.04 ppb
2019-08-149H15047-022.69 ppb
2019-08-149H15047-034.18 ppb
2019-08-149H15047-04ND
2019-11-149K15090-01ND
2019-11-149K15090-022.18 ppb
2019-11-149K15090-03ND
2019-11-149K15090-04ND
2020-02-181.04 ppb
2020-02-18ND
2020-02-18ND
2020-02-18ND
2020-05-133.98 ppb
2020-05-131.61 ppb
2020-05-13ND
2020-05-13ND
2020-08-17ND
2020-08-173.89 ppb
2020-08-176.56 ppb
2020-08-17ND
2020-10-144.48 ppb
2020-10-142.14 ppb
2020-10-14ND
2020-10-14ND
2021-02-16ND
2021-02-16ND
2021-02-16ND
2021-02-16ND
2021-05-121.91 ppb
2021-05-121.41 ppb
2021-05-121.44 ppb
2021-05-12ND
2021-05-123.39 ppb
2021-05-12ND
2021-05-12ND
2021-05-12ND
2021-08-16ND
2021-08-163.24 ppb
2021-08-1610.5 ppb
2021-08-16ND
2021-08-1614.0 ppb
2021-08-162.61 ppb
2021-08-16ND
2021-08-162.04 ppb
2021-11-15ND
2021-11-155.81 ppb
2021-11-15ND
2021-11-15ND
2021-11-1513.9 ppb
2021-11-15ND
2021-11-15ND
2021-11-15ND
2022-02-15ND
2022-02-154.04 ppb
2022-02-15ND
2022-02-15ND
2022-02-156.25 ppb
2022-02-15ND
2022-02-15ND
2022-02-15ND
2022-05-16ND
2022-05-162.07 ppb
2022-05-16ND
2022-05-16ND
2022-08-16ND
2022-08-167.10 ppb
2022-08-1622.9 ppb
2022-08-1615.0 ppb
2022-11-16ND
2022-11-164.68 ppb
2022-11-163.96 ppb
2022-11-1614.1 ppb
2023-02-14ND
2023-02-145.05 ppb
2023-02-14ND
2023-02-14ND
2023-05-15ND
2023-06-149.00 ppb
2023-06-144.70 ppb
2023-06-144.50 ppb
2023-08-142.10 ppb
2023-08-141.90 ppb
2023-08-145.20 ppb
2023-08-146.20 ppb
2023-11-13ND
2023-11-132.00 ppb
2023-11-132.00 ppb
2023-11-131.80 ppb