Know Your Environment. Protect Your Health.

1,2,3-Trichloropropane

Del Oro Water Company - Country Estates District

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.

 

23

Samples

0

Samples exceeding legal limit (MCL)

23

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.0713 ppb440.0590 ppb - 0.0860 ppb
20190.0945 ppb440.0580 ppb - 0.140 ppb
20200.105 ppb440.0810 ppb - 0.120 ppb
20210.140 ppb330.120 ppb - 0.170 ppb
20220.155 ppb440.120 ppb - 0.190 ppb
20230.118 ppb440.110 ppb - 0.130 ppb

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

Date Lab ID Result
2018-03-06CA1500314_001_001-2018030611300.0860 ppb
2018-05-01CA1500314_001_001-2018050111300.0590 ppb
2018-08-07CA1500314_001_001-2018080711150.0710 ppb
2018-11-06CA1500314_001_001-2018110612350.0690 ppb
2019-02-05CA1500314_001_001-2019020511450.0920 ppb
2019-05-07CA1500314_001_001-2019050710450.0880 ppb
2019-08-06CA1500314_001_001-2019080613000.0580 ppb
2019-11-05CA1500314_001_001-2019110511400.140 ppb
2020-02-04CA1500314_001_001-2020020411450.110 ppb
2020-05-05CA1500314_001_001-2020050511500.110 ppb
2020-08-04CA1500314_001_001-2020080411400.120 ppb
2020-11-03CA1500314_001_001-2020110311450.0810 ppb
2021-02-02CA1500314_001_001-2021020213150.130 ppb
2021-05-04CA1500314_001_001-2021050411000.120 ppb
2021-08-03CA1500314_001_001-2021080312100.170 ppb
2022-04-05CA1500314_001_001-2022040511550.140 ppb
2022-05-03CA1500314_001_001-2022050311400.120 ppb
2022-08-02CA1500314_001_001-2022080210500.170 ppb
2022-11-01CA1500314_001_001-2022110111150.190 ppb
2023-02-07CA1500314_001_001-2023020711000.120 ppb
2023-05-18CA1500314_001_001-2023051811000.110 ppb
2023-08-01CA1500314_001_001-2023080111550.130 ppb
2023-11-07CA1500314_001_001-2023110711050.110 ppb