1,2,3-Trichloropropane
Fowler Care Center
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.
195
Samples
0
Samples exceeding legal limit (MCL)
54
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | 0.00852 ppb | 22 | 13 | ND - 0.0400 ppb |
| 2019 | 0.00289 ppb | 36 | 10 | ND - 0.0160 ppb |
| 2020 | 0.00192 ppb | 36 | 7 | ND - 0.0140 ppb |
| 2021 | 0.000778 ppb | 36 | 2 | ND - 0.0170 ppb |
| 2022 | 0.00304 ppb | 35 | 10 | ND - 0.0180 ppb |
| 2023 | 0.00394 ppb | 30 | 12 | ND - 0.0180 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 | CA1000199_001_001-201802121222 | 0.0160 ppb |
| 2018-02-27 | CA1000199_001_001-201802271215 | 0.0140 ppb |
| 2018-03-07 | CA1000199_001_001-201803071132 | 0.0210 ppb |
| 2018-03-07 | CA1000199_012_012-201803071122 | 0.0400 ppb |
| 2018-04-02 | CA1000199_012_012-201804021440 | 0.0160 ppb |
| 2018-04-02 | CA1000199_001_001-201804021447 | 0.01000 ppb |
| 2018-06-20 | CA1000199_012_012-201806201310 | 0.0170 ppb |
| 2018-06-20 | CA1000199_001_001-201806201312 | 0.0140 ppb |
| 2018-08-06 | CA1000199_001_001-201808061425 | 0.0110 ppb |
| 2018-08-22 | CA1000199_012_012-201808221426 | ND |
| 2018-08-22 | CA1000199_011_011-201808221427 | ND |
| 2018-09-06 | CA1000199_001_001-201809061105 | 0.00610 ppb |
| 2018-09-06 | CA1000199_012_012-201809061110 | ND |
| 2018-09-06 | CA1000199_011_011-201809061100 | ND |
| 2018-10-03 | CA1000199_001_001-201810031235 | 0.00620 ppb |
| 2018-10-03 | CA1000199_012_012-201810031235 | ND |
| 2018-11-05 | CA1000199_001_001-201811051000 | 0.00940 ppb |
| 2018-11-05 | CA1000199_012_012-201811051010 | ND |
| 2018-11-05 | CA1000199_011_011-201811051005 | ND |
| 2018-12-05 | CA1000199_011_011-201812050940 | ND |
| 2018-12-05 | CA1000199_012_012-201812050940 | ND |
| 2018-12-05 | CA1000199_001_001-201812050940 | 0.00670 ppb |
| 2019-01-07 | CA1000199_011_011-201901071350 | ND |
| 2019-01-07 | CA1000199_012_012-201901071350 | ND |
| 2019-01-07 | CA1000199_001_001-201901071345 | 0.00780 ppb |
| 2019-02-04 | CA1000199_001_001-201902041055 | 0.00980 ppb |
| 2019-02-04 | CA1000199_011_011-201902041055 | ND |
| 2019-02-04 | CA1000199_012_012-201902041055 | ND |
| 2019-03-06 | CA1000199_012_012-201903061325 | ND |
| 2019-03-06 | CA1000199_001_001-201903061315 | 0.00940 ppb |
| 2019-03-06 | CA1000199_011_011-201903061320 | ND |
| 2019-04-16 | CA1000199_001_001-201904161415 | 0.00960 ppb |
| 2019-04-16 | CA1000199_011_011-201904161415 | ND |
| 2019-04-16 | CA1000199_012_012-201904161418 | ND |
| 2019-05-08 | CA1000199_001_001-201905081421 | 0.01000 ppb |
| 2019-05-08 | CA1000199_011_011-201905081421 | ND |
| 2019-05-08 | CA1000199_012_012-201905081421 | ND |
| 2019-06-04 | CA1000199_011_011-201906041115 | ND |
| 2019-06-04 | CA1000199_001_001-201906041110 | 0.01000 ppb |
| 2019-06-04 | CA1000199_012_012-201906041120 | ND |
| 2019-07-08 | CA1000199_001_001-201907081300 | ND |
| 2019-07-08 | CA1000199_011_011-201907081255 | ND |
| 2019-07-08 | CA1000199_012_012-201907081250 | ND |
| 2019-08-01 | CA1000199_001_001-201908011245 | ND |
| 2019-08-01 | CA1000199_012_012-201908011255 | ND |
| 2019-08-01 | CA1000199_011_011-201908011250 | ND |
| 2019-09-03 | CA1000199_011_011-201909031036 | ND |
| 2019-09-03 | CA1000199_012_012-201909031037 | ND |
| 2019-09-03 | CA1000199_001_001-201909031035 | ND |
| 2019-10-10 | CA1000199_001_001-201910100959 | 0.0110 ppb |
| 2019-10-10 | CA1000199_011_011-201910101013 | 0.00940 ppb |
| 2019-10-10 | CA1000199_012_012-201910101019 | ND |
| 2019-11-07 | CA1000199_001_001-201911071405 | 0.0160 ppb |
| 2019-11-07 | CA1000199_011_011-201911071410 | ND |
| 2019-11-07 | CA1000199_012_012-201911071415 | ND |
| 2019-12-05 | CA1000199_012_012-201912051245 | ND |
| 2019-12-05 | CA1000199_011_011-201912051240 | ND |
| 2019-12-05 | CA1000199_001_001-201912051235 | 0.0110 ppb |
| 2020-01-08 | CA1000199_001_001-202001081025 | 0.00840 ppb |
| 2020-01-08 | CA1000199_012_012-202001081040 | ND |
| 2020-01-08 | CA1000199_011_011-202001081030 | ND |
| 2020-02-03 | CA1000199_011_011-202002031220 | ND |
| 2020-02-03 | CA1000199_012_012-202002031225 | ND |
| 2020-02-03 | CA1000199_001_001-202002031215 | 0.00880 ppb |
| 2020-03-05 | CA1000199_011_011-202003051026 | ND |
| 2020-03-05 | CA1000199_001_001-202003051025 | 0.01000 ppb |
| 2020-03-05 | CA1000199_012_012-202003051027 | ND |
| 2020-04-08 | CA1000199_011_011-202004081030 | ND |
| 2020-04-08 | CA1000199_001_001-202004081020 | 0.00780 ppb |
| 2020-04-08 | CA1000199_012_012-202004081025 | ND |
| 2020-05-04 | CA1000199_001_001-202005041150 | ND |
| 2020-05-04 | CA1000199_011_011-202005041155 | ND |
| 2020-05-04 | CA1000199_012_012-202005041200 | ND |
| 2020-06-04 | CA1000199_011_011-202006040905 | ND |
| 2020-06-04 | CA1000199_012_012-202006040910 | ND |
| 2020-06-04 | CA1000199_001_001-202006040900 | 0.01000 ppb |
| 2020-07-01 | CA1000199_011_011-202007011200 | ND |
| 2020-07-01 | CA1000199_001_001-202007011210 | ND |
| 2020-07-01 | CA1000199_012_012-202007011205 | ND |
| 2020-08-04 | CA1000199_001_001-202008041230 | 0.0140 ppb |
| 2020-08-04 | CA1000199_011_011-202008041235 | ND |
| 2020-08-04 | CA1000199_012_012-202008041240 | ND |
| 2020-09-02 | CA1000199_012_012-202009021030 | ND |
| 2020-09-02 | CA1000199_001_001-202009021020 | ND |
| 2020-09-02 | CA1000199_011_011-202009021025 | ND |
| 2020-10-06 | CA1000199_011_011-202010061430 | ND |
| 2020-10-06 | CA1000199_012_012-202010061440 | ND |
| 2020-10-06 | CA1000199_001_001-202010061420 | 0.01000 ppb |
| 2020-11-04 | CA1000199_001_001-202011041415 | ND |
| 2020-11-04 | CA1000199_012_012-202011041425 | ND |
| 2020-11-04 | CA1000199_011_011-202011041420 | ND |
| 2020-12-02 | CA1000199_012_012-202012021015 | ND |
| 2020-12-02 | CA1000199_011_011-202012021015 | ND |
| 2020-12-02 | CA1000199_001_001-202012021015 | ND |
| 2021-01-07 | CA1000199_001_001-202101071200 | ND |
| 2021-01-07 | CA1000199_011_011-202101071205 | ND |
| 2021-01-07 | CA1000199_012_012-202101071210 | ND |
| 2021-02-03 | CA1000199_001_001-202102031205 | ND |
| 2021-02-03 | CA1000199_011_011-202102031205 | ND |
| 2021-02-03 | CA1000199_012_012-202102031210 | ND |
| 2021-03-03 | CA1000199_001_001-202103031215 | ND |
| 2021-03-03 | CA1000199_011_011-202103031220 | ND |
| 2021-03-03 | CA1000199_012_012-202103031225 | ND |
| 2021-04-07 | CA1000199_001_001-202104071315 | ND |
| 2021-04-07 | CA1000199_011_011-202104071320 | ND |
| 2021-04-07 | CA1000199_012_012-202104071325 | ND |
| 2021-05-06 | CA1000199_001_001-202105061150 | 0.0110 ppb |
| 2021-05-06 | CA1000199_012_012-202105061155 | ND |
| 2021-05-06 | CA1000199_011_011-202105061152 | ND |
| 2021-06-07 | CA1000199_001_001-202106071115 | 0.0170 ppb |
| 2021-06-07 | CA1000199_011_011-202106071120 | ND |
| 2021-06-08 | CA1000199_012_012-202106080645 | ND |
| 2021-07-08 | CA1000199_012_012-202107081125 | ND |
| 2021-07-08 | CA1000199_001_001-202107081105 | ND |
| 2021-07-08 | CA1000199_011_011-202107081115 | ND |
| 2021-08-04 | CA1000199_011_011-202108041140 | ND |
| 2021-08-04 | CA1000199_001_001-202108041145 | ND |
| 2021-08-04 | CA1000199_012_012-202108041142 | ND |
| 2021-09-08 | CA1000199_012_012-202109080935 | ND |
| 2021-09-08 | CA1000199_001_001-202109080933 | ND |
| 2021-09-08 | CA1000199_011_011-202109080930 | ND |
| 2021-10-13 | CA1000199_012_012-202110131540 | ND |
| 2021-10-13 | CA1000199_001_001-202110131530 | ND |
| 2021-10-13 | CA1000199_011_011-202110131535 | ND |
| 2021-11-04 | CA1000199_001_001-202111041155 | ND |
| 2021-11-04 | CA1000199_012_012-202111041150 | ND |
| 2021-11-04 | CA1000199_011_011-202111041153 | ND |
| 2021-12-01 | CA1000199_012_012-202112011100 | ND |
| 2021-12-01 | CA1000199_011_011-202112011055 | ND |
| 2021-12-01 | CA1000199_001_001-202112011050 | ND |
| 2022-01-13 | CA1000199_011_011-202201131427 | 0.00900 ppb |
| 2022-01-13 | CA1000199_012_012-202201131427 | ND |
| 2022-01-13 | CA1000199_001_001-202201131425 | 0.01000 ppb |
| 2022-02-09 | CA1000199_012_012-202202091355 | ND |
| 2022-02-14 | CA1000199_012_012-202202141410 | ND |
| 2022-02-18 | CA1000199_001_001-202202180950 | ND |
| 2022-02-18 | CA1000199_011_011-202202180955 | ND |
| 2022-02-18 | CA1000199_012_012-202202181000 | ND |
| 2022-03-03 | CA1000199_001_001-202203031101 | 0.00910 ppb |
| 2022-03-03 | CA1000199_011_011-202203031106 | ND |
| 2022-03-03 | CA1000199_012_012-202203031110 | ND |
| 2022-04-04 | CA1000199_011_011-20220404NUL | ND |
| 2022-04-04 | CA1000199_001_001-20220404NUL | ND |
| 2022-04-04 | CA1000199_012_012-20220404NUL | ND |
| 2022-05-02 | CA1000199_012_012-202205021138 | ND |
| 2022-05-02 | CA1000199_001_001-202205021146 | 0.00830 ppb |
| 2022-05-02 | CA1000199_011_011-202205021157 | ND |
| 2022-06-02 | CA1000199_012_012-202206021404 | ND |
| 2022-06-02 | CA1000199_001_001-202206021357 | 0.00680 ppb |
| 2022-06-02 | CA1000199_011_011-202206021400 | ND |
| 2022-07-13 | CA1000199_011_011-202207131022 | ND |
| 2022-07-13 | CA1000199_001_001-202207131023 | 0.00860 ppb |
| 2022-07-13 | CA1000199_012_012-202207131025 | ND |
| 2022-08-03 | CA1000199_011_011-202208031337 | ND |
| 2022-08-03 | CA1000199_012_012-202208031341 | ND |
| 2022-08-03 | CA1000199_001_001-202208031346 | 0.00660 ppb |
| 2022-10-24 | CA1000199_011_011-202210241125 | ND |
| 2022-10-24 | CA1000199_001_001-202210241120 | 0.0160 ppb |
| 2022-10-24 | CA1000199_012_012-202210241130 | ND |
| 2022-11-09 | CA1000199_012_012-202211091151 | ND |
| 2022-11-09 | CA1000199_001_001-202211091156 | 0.0180 ppb |
| 2022-11-09 | CA1000199_011_011-202211091145 | ND |
| 2022-12-08 | CA1000199_001_001-202212080935 | 0.0140 ppb |
| 2022-12-08 | CA1000199_011_011-202212080940 | ND |
| 2022-12-08 | CA1000199_012_012-202212080945 | ND |
| 2023-01-04 | CA1000199_011_011-202301041408 | ND |
| 2023-01-04 | CA1000199_001_001-202301041415 | 0.0180 ppb |
| 2023-01-04 | CA1000199_012_012-202301041400 | ND |
| 2023-02-06 | CA1000199_012_012-202302061252 | ND |
| 2023-02-06 | CA1000199_001_001-202302061257 | 0.0170 ppb |
| 2023-02-06 | CA1000199_011_011-202302061248 | ND |
| 2023-03-02 | CA1000199_001_001-202303021539 | ND |
| 2023-03-02 | CA1000199_011_011-202303021435 | ND |
| 2023-03-02 | CA1000199_012_012-202303021445 | ND |
| 2023-04-05 | CA1000199_011_011-202304051305 | ND |
| 2023-04-05 | CA1000199_001_001-202304051310 | 0.0110 ppb |
| 2023-04-05 | CA1000199_012_012-202304051300 | ND |
| 2023-05-17 | CA1000199_012_012-202305171206 | ND |
| 2023-05-17 | CA1000199_011_011-202305171210 | ND |
| 2023-05-17 | CA1000199_001_001-202305171214 | 0.0110 ppb |
| 2023-06-27 | CA1000199_011_011-202306271409 | ND |
| 2023-06-27 | CA1000199_012_012-202306271405 | ND |
| 2023-06-27 | CA1000199_001_001-202306271413 | 0.0120 ppb |
| 2023-08-02 | CA1000199_011_011-202308021022 | ND |
| 2023-08-02 | CA1000199_012_012-202308021016 | ND |
| 2023-08-02 | CA1000199_001_001-202308021028 | 0.00800 ppb |
| 2023-10-09 | CA1000199_001_001-202310091528 | 0.00830 ppb |
| 2023-10-09 | CA1000199_011_011-202310091507 | 0.00630 ppb |
| 2023-10-09 | CA1000199_012_012-202310091502 | ND |
| 2023-11-09 | CA1000199_012_012-202311091341 | 0.00670 ppb |
| 2023-11-09 | CA1000199_001_001-202311091347 | 0.00870 ppb |
| 2023-11-09 | CA1000199_011_011-202311091335 | ND |
| 2023-12-07 | CA1000199_011_011-202312071428 | 0.00620 ppb |
| 2023-12-07 | CA1000199_012_012-202312071435 | ND |
| 2023-12-07 | CA1000199_001_001-202312071413 | 0.00510 ppb |