Know Your Environment. Protect Your Health.

1,2,3-Trichloropropane

Dripping Springs Water Supply Corporation

NOTE: Dripping Springs Water Supply Corporation purchases water from West Travis County Regional WS which is required to test for 1,2,3-trichloropropane. Sample information shown below was taken by West Travis County Regional WS.

1,2,3-Trichloropropane is a potent carcinogen that contaminates drinking water in agricultural regions where it was historically used as soil fumigant. Click here to read more about carcinogenic VOCs.

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014ND20ND
2015ND20ND
2016N/A00N/A
2017N/A00N/A
2018ND10ND
2019ND10ND
2020ND20ND
2021ND10ND
2022ND10ND
2023ND20ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.0007 ppb

The EWG Health Guideline of 0.0007 ppb for 1,2,3-trichloropropane was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against cancer.

ppb = parts per billion

All test results

NOTE: Dripping Springs Water Supply Corporation purchases water from West Travis County Regional WS which is required to test for 1,2,3-trichloropropane. Sample information shown below was taken by West Travis County Regional WS.

Date Lab ID Result
2014-08-28Q1439982001ND
2014-11-19Q1456463001ND
2015-02-26Q1507332001ND
2015-05-19Q1518244001ND
2018-07-23AE34161ND
2019-01-23AE50993ND
2019-08-21AE79918ND
2020-07-20AF19804ND
2021-08-11AF65765ND
2022-08-11AG08908ND
2022-08-11AG08946ND
2023-12-12AG66339ND