Know Your Environment. Protect Your Health.

Trichloroacetic acid

Central Wy Regional Water System Jpb

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.

 

180

Samples

0

Samples exceeding legal limit (MCL)

139

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20181.41 ppb3635ND - 2.60 ppb
2019N/A00N/A
20200.745 ppb3632ND - 3.70 ppb
20210.754 ppb3630ND - 4.50 ppb
20220.754 ppb3623ND - 3.40 ppb
20230.934 ppb3619ND - 10.00 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
2018-01-09C18010249-009B1.20 ppb
2018-01-09C18010249-001B1.30 ppb
2018-01-09C18010249-011B1.10 ppb
2018-01-09C18010249-010A1.20 ppb
2018-01-09C18010249-002B2.50 ppb
2018-01-09C18010249-008A2.00 ppb
2018-01-09C18010249-005B1.10 ppb
2018-01-09C18010249-004B1.10 ppb
2018-01-09C18010249-003BND
2018-04-03C18040084-009B1.000 ppb
2018-04-03C18040084-010A0.940 ppb
2018-04-03C18040084-011B0.980 ppb
2018-04-03C18040084-001B0.630 ppb
2018-04-03C18040084-008A1.10 ppb
2018-04-03C18040084-003B0.960 ppb
2018-04-03C18040084-004B1.80 ppb
2018-04-03C18040084-005B1.20 ppb
2018-04-03C18040084-002B1.20 ppb
2018-07-03C18070084-002B1.40 ppb
2018-07-03C18070084-001B2.00 ppb
2018-07-03C18070084-011B0.780 ppb
2018-07-03C18070084-010A0.820 ppb
2018-07-03C18070084-009B0.840 ppb
2018-07-03C18070084-008A1.10 ppb
2018-07-03C18070084-005B1.20 ppb
2018-07-03C18070084-003B1.60 ppb
2018-07-03C18070084-004B1.70 ppb
2018-10-10C18100435-001B2.30 ppb
2018-10-10C18100435-002B1.80 ppb
2018-10-10C18100435-003B2.30 ppb
2018-10-10C18100435-004B2.60 ppb
2018-10-10C18100435-005B1.70 ppb
2018-10-10C18100435-008A1.20 ppb
2018-10-10C18100435-009B1.90 ppb
2018-10-10C18100435-010A1.90 ppb
2018-10-10C18100435-011B2.20 ppb
2020-01-07C20010181-010A0.700 ppb
2020-01-07C20010181-009B0.690 ppb
2020-01-07C20010181-008A0.520 ppb
2020-01-07C20010181-005B0.560 ppb
2020-01-07C20010181-002B0.670 ppb
2020-01-07C20010181-003B0.690 ppb
2020-01-07C20010181-011B0.690 ppb
2020-01-07C20010181-001B0.630 ppb
2020-01-07C20010181-004BND
2020-04-07C20040283-011B1.000 ppb
2020-04-07C20040283-010A0.880 ppb
2020-04-07C20040283-009B0.900 ppb
2020-04-07C20040283-008A0.730 ppb
2020-04-07C20040283-005B0.760 ppb
2020-04-07C20040283-003B0.800 ppb
2020-04-07C20040283-004B0.640 ppb
2020-04-07C20040283-002B0.660 ppb
2020-04-07C20040283-001B0.760 ppb
2020-07-07C20070317-010A0.610 ppb
2020-07-07C20070317-011B0.590 ppb
2020-07-07C20070317-008A0.520 ppb
2020-07-07C20070317-009B0.660 ppb
2020-07-07C20070317-005B0.530 ppb
2020-07-07C20070317-004B1.10 ppb
2020-07-07C20070317-003B0.920 ppb
2020-07-07C20070317-002B1.30 ppb
2020-07-07C20070317-001B1.000 ppb
2020-10-06C20100255-010AND
2020-10-06C20100255-004B3.70 ppb
2020-10-06C20100255-008A0.660 ppb
2020-10-06C20100255-009BND
2020-10-06C20100255-003B0.690 ppb
2020-10-06C20100255-002B0.870 ppb
2020-10-06C20100255-001B0.610 ppb
2020-10-06C20100255-011B0.790 ppb
2020-10-06C20100255-005BND
2021-01-05C21010107-001B0.760 ppb
2021-01-05C21010107-002B1.60 ppb
2021-01-05C21010107-003B1.20 ppb
2021-01-05C21010107-011B0.930 ppb
2021-01-05C21010107-005B1.40 ppb
2021-01-05C21010107-010A0.870 ppb
2021-01-05C21010107-009B0.940 ppb
2021-01-05C21010107-008A1.70 ppb
2021-01-05C21010107-004BND
2021-04-06C21040206-004B1.20 ppb
2021-04-06C21040206-005B0.720 ppb
2021-04-06C21040206-008A0.590 ppb
2021-04-06C21040206-003B0.760 ppb
2021-04-06C21040206-002B0.530 ppb
2021-04-06C21040206-001B0.520 ppb
2021-04-06C21040206-011B0.620 ppb
2021-04-06C21040206-010A0.560 ppb
2021-04-06C21040206-009B0.570 ppb
2021-07-06C21070162-004B0.570 ppb
2021-07-06C21070162-005BND
2021-07-06C21070162-008AND
2021-07-06C21070162-009B0.540 ppb
2021-07-06C21070162-010A0.530 ppb
2021-07-06C21070162-011BND
2021-07-06C21070162-001B0.560 ppb
2021-07-06C21070162-002B0.540 ppb
2021-07-06C21070162-003B0.560 ppb
2021-10-05C21100137-001B0.760 ppb
2021-10-05C21100137-002B0.690 ppb
2021-10-05C21100137-003B0.640 ppb
2021-10-05C21100137-004B4.50 ppb
2021-10-05C21100137-011B0.570 ppb
2021-10-05C21100137-008AND
2021-10-05C21100137-009B0.540 ppb
2021-10-05C21100137-010A0.670 ppb
2021-10-05C21100137-005BND
2022-01-04C22010087-001B0.940 ppb
2022-01-04C22010087-002B0.780 ppb
2022-01-04C22010087-003B1.10 ppb
2022-01-04C22010087-008A0.620 ppb
2022-01-04C22010087-004B1.60 ppb
2022-01-04C22010087-010A0.950 ppb
2022-01-04C22010087-011B0.940 ppb
2022-01-04C22010087-005B1.000 ppb
2022-01-04C22010087-009B0.940 ppb
2022-04-05C22040150-011BND
2022-04-05C22040150-010AND
2022-04-05C22040150-009BND
2022-04-05C22040150-008AND
2022-04-05C22040150-005BND
2022-04-05C22040150-002BND
2022-04-05C22040150-004B1.20 ppb
2022-04-05C22040150-003B0.690 ppb
2022-04-05C22040150-001BND
2022-07-05C22070093-003B0.610 ppb
2022-07-05C22070093-002B0.620 ppb
2022-07-05C22070093-001BND
2022-07-05C22070093-011BND
2022-07-05C22070093-004B2.70 ppb
2022-07-05C22070093-009BND
2022-07-05C22070093-008AND
2022-07-05C22070093-005BND
2022-07-05C22070093-010AND
2022-10-04C22100124-011B0.660 ppb
2022-10-04C22100124-008A0.830 ppb
2022-10-04C22100124-009B1.40 ppb
2022-10-04C22100124-005B0.770 ppb
2022-10-04C22100124-004B3.40 ppb
2022-10-04C22100124-003B1.50 ppb
2022-10-04C22100124-010A1.50 ppb
2022-10-04C22100124-001B1.000 ppb
2022-10-04C22100124-002B1.40 ppb
2023-01-03C23010027-010A1.30 ppb
2023-01-03C23010027-009B1.40 ppb
2023-01-03C23010027-008A1.30 ppb
2023-01-03C23010027-011B1.30 ppb
2023-01-03C23010027-004B1.10 ppb
2023-01-03C23010027-003B1.40 ppb
2023-01-03C23010027-002B1.30 ppb
2023-01-03C23010027-001B1.40 ppb
2023-01-03C23010027-005B1.30 ppb
2023-04-06C23040048-002B0.720 ppb
2023-04-06C23040048-003BND
2023-04-06C23040048-004B1.80 ppb
2023-04-06C23040048-005BND
2023-04-06C23040048-008AND
2023-04-06C23040048-009BND
2023-04-06C23040048-010AND
2023-04-06C23040048-011BND
2023-04-06C23040048-001BND
2023-07-05C23070053-001BND
2023-07-05C23070053-002B0.690 ppb
2023-07-05C23070053-011BND
2023-07-05C23070053-010AND
2023-07-05C23070053-009BND
2023-07-05C23070053-008AND
2023-07-05C23070053-005BND
2023-07-05C23070053-004B5.00 ppb
2023-07-05C23070053-003B0.560 ppb
2023-10-03C23100133-001B1.000 ppb
2023-10-03C23100133-010AND
2023-10-03C23100133-009BND
2023-10-03C23100133-008AND
2023-10-03C23100133-011BND
2023-10-03C23100133-004B10.00 ppb
2023-10-03C23100133-003B0.800 ppb
2023-10-03C23100133-002B0.650 ppb
2023-10-03C23100133-005B0.600 ppb