Know Your Environment. Protect Your Health.

Trichloroacetic acid

Lake Shreve Estates Water System

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.

 

68

Samples

0

Samples exceeding legal limit (MCL)

31

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.120 ppb162ND - 0.960 ppb
20190.385 ppb2014ND - 0.780 ppb
20200.178 ppb82ND - 0.770 ppb
20210.488 ppb86ND - 0.870 ppb
20220.244 ppb84ND - 0.500 ppb
20230.233 ppb83ND - 0.740 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
2018-02-1635375107002ND
2018-02-1635375107001ND
2018-02-1635375107002ND
2018-02-1635375107001ND
2018-05-1035392005001ND
2018-05-1035392005002ND
2018-05-1035392005002ND
2018-05-1035392005001ND
2018-08-0335408675001ND
2018-08-0335408675002ND
2018-08-0335408675002ND
2018-08-0335408675001ND
2018-11-1535432195001ND
2018-11-15354321950020.960 ppb
2018-11-1535432195001ND
2018-11-15354321950020.960 ppb
2019-02-26354507850020.600 ppb
2019-02-26354507850010.690 ppb
2019-02-26354507850020.600 ppb
2019-02-26354507850010.690 ppb
2019-05-10354683130010.780 ppb
2019-05-10354683130020.760 ppb
2019-05-10354683130020.760 ppb
2019-05-10354683130010.780 ppb
2019-08-0135487187002ND
2019-08-0135487187002ND
2019-08-01354871870010.280 ppb
2019-08-01354871870010.280 ppb
2019-08-15354911520020.360 ppb
2019-08-15354911520010.380 ppb
2019-08-15354911520010.380 ppb
2019-08-15354911520020.360 ppb
2019-11-2135514607002ND
2019-11-2135514607001ND
2019-11-2135514607001ND
2019-11-2135514607002ND
2020-02-1435531183001ND
2020-02-1435531183002ND
2020-05-2235552061001ND
2020-05-2235552061002ND
2020-08-1435570960001ND
2020-08-1435570960002ND
2020-11-30355954060010.770 ppb
2020-11-30355954060020.650 ppb
2021-02-22356153510010.580 ppb
2021-02-22356153510020.520 ppb
2021-05-07356332140010.550 ppb
2021-05-07356332140020.560 ppb
2021-08-2735659286002ND
2021-08-2735659286001ND
2021-11-10356768040020.820 ppb
2021-11-10356768040010.870 ppb
2022-02-17356993430010.470 ppb
2022-02-17356993430020.480 ppb
2022-05-2335721022001ND
2022-05-2335721022002ND
2022-08-1935741491002ND
2022-08-1935741491001ND
2022-11-07357597960020.500 ppb
2022-11-07357597960010.500 ppb
2023-02-1535780675001ND
2023-02-1535780675002ND
2023-05-25358026180010.410 ppb
2023-05-25358026180020.740 ppb
2023-08-2935824654001ND
2023-08-2935824654002ND
2023-11-09358408120010.710 ppb
2023-11-0935840812002ND