1,2,3-Trichloropropane
Cws - Tulco Water Company
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.
110
Samples
0
Samples exceeding legal limit (MCL)
18
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | 0.000455 ppb | 22 | 2 | ND - 0.00500 ppb |
| 2019 | 0.000625 ppb | 16 | 1 | ND - 0.01000 ppb |
| 2020 | 0.000313 ppb | 16 | 1 | ND - 0.00500 ppb |
| 2021 | 0.000925 ppb | 16 | 3 | ND - 0.00600 ppb |
| 2022 | 0.00117 ppb | 24 | 7 | ND - 0.00600 ppb |
| 2023 | 0.00129 ppb | 16 | 4 | ND - 0.00600 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 |
|---|---|---|
| 2018-02-12 | CA5410041_004_004-201802121350 | ND |
| 2018-04-17 | CA5410041_004_004-201804171627 | ND |
| 2018-04-20 | CA5410041_004_004-201804201232 | ND |
| 2018-04-20 | CA5410041_009_009-201804201315 | ND |
| 2018-05-03 | CA5410041_004_004-201805031305 | ND |
| 2018-05-03 | CA5410041_009_009-201805031345 | ND |
| 2018-05-09 | CA5410041_004_004-201805091319 | ND |
| 2018-05-09 | CA5410041_009_009-201805091334 | ND |
| 2018-05-16 | CA5410041_004_004-201805161125 | 0.00500 ppb |
| 2018-05-16 | CA5410041_009_009-201805161145 | ND |
| 2018-05-22 | CA5410041_004_004-201805221158 | 0.00500 ppb |
| 2018-05-22 | CA5410041_009_009-201805221207 | ND |
| 2018-06-06 | CA5410041_004_004-201806061604 | ND |
| 2018-06-06 | CA5410041_009_009-201806061629 | ND |
| 2018-07-24 | CA5410041_009_009-201807241511 | ND |
| 2018-08-16 | CA5410041_009_009-201808161040 | ND |
| 2018-09-05 | CA5410041_004_004-201809050945 | ND |
| 2018-09-05 | CA5410041_009_009-201809051040 | ND |
| 2018-10-17 | CA5410041_009_009-201810171042 | ND |
| 2018-11-07 | CA5410041_009_009-201811070927 | ND |
| 2018-12-12 | CA5410041_004_004-201812120931 | ND |
| 2018-12-12 | CA5410041_009_009-201812120848 | ND |
| 2019-01-09 | CA5410041_009_009-201901091020 | ND |
| 2019-02-22 | CA5410041_009_009-201902221040 | ND |
| 2019-03-27 | CA5410041_004_004-201903271031 | ND |
| 2019-03-27 | CA5410041_009_009-201903271050 | ND |
| 2019-04-09 | CA5410041_009_009-201904091051 | ND |
| 2019-05-10 | CA5410041_009_009-201905101500 | ND |
| 2019-06-27 | CA5410041_009_009-201906271045 | ND |
| 2019-06-27 | CA5410041_004_004-201906271030 | 0.01000 ppb |
| 2019-07-20 | CA5410041_009_009-201907201124 | ND |
| 2019-08-24 | CA5410041_009_009-201908241411 | ND |
| 2019-09-24 | CA5410041_004_004-201909241143 | ND |
| 2019-09-24 | CA5410041_009_009-201909241131 | ND |
| 2019-10-06 | CA5410041_009_009-201910061244 | ND |
| 2019-11-03 | CA5410041_009_009-201911031149 | ND |
| 2019-12-02 | CA5410041_009_009-201912021020 | ND |
| 2019-12-02 | CA5410041_004_004-201912021030 | ND |
| 2020-01-08 | CA5410041_009_009-202001081017 | ND |
| 2020-02-20 | CA5410041_009_009-202002200929 | ND |
| 2020-03-09 | CA5410041_004_004-202003091530 | ND |
| 2020-03-09 | CA5410041_009_009-202003091520 | ND |
| 2020-04-23 | CA5410041_009_009-202004230933 | ND |
| 2020-05-14 | CA5410041_009_009-202005140958 | ND |
| 2020-06-02 | CA5410041_004_004-202006020825 | ND |
| 2020-06-02 | CA5410041_009_009-202006020828 | ND |
| 2020-07-20 | CA5410041_009_009-202007201315 | ND |
| 2020-08-02 | CA5410041_009_009-202008021020 | ND |
| 2020-09-20 | CA5410041_009_009-202009200901 | ND |
| 2020-09-20 | CA5410041_004_004-202009200910 | 0.00500 ppb |
| 2020-10-07 | CA5410041_009_009-202010071034 | ND |
| 2020-11-16 | CA5410041_009_009-202011160957 | ND |
| 2020-12-14 | CA5410041_004_004-202012141349 | ND |
| 2020-12-14 | CA5410041_009_009-202012141312 | ND |
| 2021-01-04 | CA5410041_009_009-202101041204 | ND |
| 2021-02-15 | CA5410041_009_009-202102150829 | ND |
| 2021-03-08 | CA5410041_009_009-202103080932 | ND |
| 2021-03-08 | CA5410041_004_004-202103080950 | ND |
| 2021-04-05 | CA5410041_009_009-202104051030 | ND |
| 2021-05-17 | CA5410041_009_009-202105171010 | ND |
| 2021-06-27 | CA5410041_004_004-202106270655 | 0.00600 ppb |
| 2021-06-27 | CA5410041_009_009-202106270704 | ND |
| 2021-07-12 | CA5410041_009_009-202107120837 | ND |
| 2021-08-02 | CA5410041_009_009-202108020903 | ND |
| 2021-09-13 | CA5410041_004_004-202109130956 | 0.00420 ppb |
| 2021-09-13 | CA5410041_009_009-202109131011 | ND |
| 2021-10-07 | CA5410041_009_009-202110070804 | ND |
| 2021-11-08 | CA5410041_009_009-202111080954 | ND |
| 2021-12-06 | CA5410041_004_004-202112061014 | 0.00460 ppb |
| 2021-12-06 | CA5410041_009_009-202112061010 | ND |
| 2022-02-17 | CA5410041_007_007-202202171021 | ND |
| 2022-02-17 | CA5410041_009_009-202202171023 | ND |
| 2022-02-17 | CA5410041_004_004-202202171027 | 0.00380 ppb |
| 2022-02-24 | CA5410041_007_007-202202241034 | ND |
| 2022-02-24 | CA5410041_004_004-202202241005 | 0.00350 ppb |
| 2022-02-24 | CA5410041_009_009-202202241026 | ND |
| 2022-03-03 | CA5410041_007_007-202203031005 | ND |
| 2022-03-03 | CA5410041_009_009-202203031010 | ND |
| 2022-03-03 | CA5410041_004_004-202203030929 | 0.00340 ppb |
| 2022-03-10 | CA5410041_004_004-202203100954 | 0.00400 ppb |
| 2022-03-10 | CA5410041_009_009-202203100959 | ND |
| 2022-03-10 | CA5410041_007_007-202203101001 | ND |
| 2022-04-11 | CA5410041_009_009-202204110852 | ND |
| 2022-05-09 | CA5410041_009_009-202205091246 | ND |
| 2022-06-13 | CA5410041_004_004-202206130931 | 0.00300 ppb |
| 2022-06-13 | CA5410041_009_009-202206130942 | ND |
| 2022-07-05 | CA5410041_009_009-202207050909 | ND |
| 2022-08-10 | CA5410041_009_009-202208100845 | ND |
| 2022-09-19 | CA5410041_004_004-202209190948 | 0.00600 ppb |
| 2022-09-19 | CA5410041_009_009-202209190958 | ND |
| 2022-10-19 | CA5410041_009_009-202210190952 | ND |
| 2022-11-02 | CA5410041_009_009-202211020848 | ND |
| 2022-12-20 | CA5410041_004_004-202212201304 | 0.00440 ppb |
| 2022-12-20 | CA5410041_009_009-202212201315 | ND |
| 2023-01-04 | CA5410041_009_009-202301041209 | ND |
| 2023-02-09 | CA5410041_009_009-202302091123 | ND |
| 2023-03-15 | CA5410041_004_004-202303150859 | 0.00500 ppb |
| 2023-03-15 | CA5410041_009_009-202303150851 | ND |
| 2023-04-17 | CA5410041_009_009-202304170910 | ND |
| 2023-05-18 | CA5410041_009_009-202305180839 | ND |
| 2023-06-15 | CA5410041_009_009-202306151437 | ND |
| 2023-06-15 | CA5410041_004_004-202306151405 | 0.00470 ppb |
| 2023-07-13 | CA5410041_009_009-202307130856 | ND |
| 2023-08-08 | CA5410041_009_009-202308081004 | ND |
| 2023-09-12 | CA5410041_004_004-202309120834 | 0.00600 ppb |
| 2023-09-12 | CA5410041_009_009-202309120840 | ND |
| 2023-10-10 | CA5410041_009_009-202310100909 | ND |
| 2023-11-07 | CA5410041_009_009-202311071035 | ND |
| 2023-12-12 | CA5410041_004_004-202312121235 | 0.00500 ppb |
| 2023-12-12 | CA5410041_009_009-202312121253 | ND |